reactive/Ix.NET/Source/System.Linq.Async.Queryable.Tests/AsyncQueryableTests.Generated.cs

// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the Apache 2.0 License.
// See the LICENSE file in the project root for more information. 

using System;
using System.Collections.Generic;
using System.Linq;
using System.Linq.Expressions;
using System.Threading;
using System.Threading.Tasks;
using Xunit;

namespace Tests
{
    public class AsyncQueryableExTests
    {
        [Fact]
        public void Aggregate1()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Aggregate<int>(default(IAsyncQueryable<int>), (int arg0, int arg1) => default(int)), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Aggregate<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, int, int>>)), ane => ane.ParamName == "accumulator");

            var res = AsyncQueryable.Aggregate<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0, int arg1) => default(int));
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Aggregate2()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Aggregate<int>(default(IAsyncQueryable<int>), (int arg0, int arg1) => default(Task<int>)), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Aggregate<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, int, Task<int>>>)), ane => ane.ParamName == "accumulator");

            var res = AsyncQueryable.Aggregate<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0, int arg1) => default(Task<int>));
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Aggregate3()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Aggregate<int>(default(IAsyncQueryable<int>), (int arg0, int arg1) => default(int), CancellationToken.None), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Aggregate<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, int, int>>), CancellationToken.None), ane => ane.ParamName == "accumulator");

            var res = AsyncQueryable.Aggregate<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0, int arg1) => default(int), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Aggregate4()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Aggregate<int>(default(IAsyncQueryable<int>), (int arg0, int arg1) => default(Task<int>), CancellationToken.None), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Aggregate<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, int, Task<int>>>), CancellationToken.None), ane => ane.ParamName == "accumulator");

            var res = AsyncQueryable.Aggregate<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0, int arg1) => default(Task<int>), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Aggregate5()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Aggregate<int, int>(default(IAsyncQueryable<int>), 1, (int arg0, int arg1) => default(int)), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Aggregate<int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), 1, default(Expression<Func<int, int, int>>)), ane => ane.ParamName == "accumulator");

            var res = AsyncQueryable.Aggregate<int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), 1, (int arg0, int arg1) => default(int));
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Aggregate6()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Aggregate<int, int>(default(IAsyncQueryable<int>), 1, (int arg0, int arg1) => default(Task<int>)), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Aggregate<int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), 1, default(Expression<Func<int, int, Task<int>>>)), ane => ane.ParamName == "accumulator");

            var res = AsyncQueryable.Aggregate<int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), 1, (int arg0, int arg1) => default(Task<int>));
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Aggregate7()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Aggregate<int, int>(default(IAsyncQueryable<int>), 1, (int arg0, int arg1) => default(int), CancellationToken.None), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Aggregate<int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), 1, default(Expression<Func<int, int, int>>), CancellationToken.None), ane => ane.ParamName == "accumulator");

            var res = AsyncQueryable.Aggregate<int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), 1, (int arg0, int arg1) => default(int), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Aggregate8()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Aggregate<int, int>(default(IAsyncQueryable<int>), 1, (int arg0, int arg1) => default(Task<int>), CancellationToken.None), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Aggregate<int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), 1, default(Expression<Func<int, int, Task<int>>>), CancellationToken.None), ane => ane.ParamName == "accumulator");

            var res = AsyncQueryable.Aggregate<int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), 1, (int arg0, int arg1) => default(Task<int>), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Aggregate9()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Aggregate<int, int, int>(default(IAsyncQueryable<int>), 1, (int arg0, int arg1) => default(int), (int arg0) => default(int)), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Aggregate<int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), 1, default(Expression<Func<int, int, int>>), (int arg0) => default(int)), ane => ane.ParamName == "accumulator");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Aggregate<int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), 1, (int arg0, int arg1) => default(int), default(Expression<Func<int, int>>)), ane => ane.ParamName == "resultSelector");

            var res = AsyncQueryable.Aggregate<int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), 1, (int arg0, int arg1) => default(int), (int arg0) => default(int));
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Aggregate10()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Aggregate<int, int, int>(default(IAsyncQueryable<int>), 1, (int arg0, int arg1) => default(Task<int>), (int arg0) => default(Task<int>)), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Aggregate<int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), 1, default(Expression<Func<int, int, Task<int>>>), (int arg0) => default(Task<int>)), ane => ane.ParamName == "accumulator");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Aggregate<int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), 1, (int arg0, int arg1) => default(Task<int>), default(Expression<Func<int, Task<int>>>)), ane => ane.ParamName == "resultSelector");

            var res = AsyncQueryable.Aggregate<int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), 1, (int arg0, int arg1) => default(Task<int>), (int arg0) => default(Task<int>));
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Aggregate11()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Aggregate<int, int, int>(default(IAsyncQueryable<int>), 1, (int arg0, int arg1) => default(int), (int arg0) => default(int), CancellationToken.None), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Aggregate<int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), 1, default(Expression<Func<int, int, int>>), (int arg0) => default(int), CancellationToken.None), ane => ane.ParamName == "accumulator");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Aggregate<int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), 1, (int arg0, int arg1) => default(int), default(Expression<Func<int, int>>), CancellationToken.None), ane => ane.ParamName == "resultSelector");

            var res = AsyncQueryable.Aggregate<int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), 1, (int arg0, int arg1) => default(int), (int arg0) => default(int), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Aggregate12()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Aggregate<int, int, int>(default(IAsyncQueryable<int>), 1, (int arg0, int arg1) => default(Task<int>), (int arg0) => default(Task<int>), CancellationToken.None), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Aggregate<int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), 1, default(Expression<Func<int, int, Task<int>>>), (int arg0) => default(Task<int>), CancellationToken.None), ane => ane.ParamName == "accumulator");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Aggregate<int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), 1, (int arg0, int arg1) => default(Task<int>), default(Expression<Func<int, Task<int>>>), CancellationToken.None), ane => ane.ParamName == "resultSelector");

            var res = AsyncQueryable.Aggregate<int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), 1, (int arg0, int arg1) => default(Task<int>), (int arg0) => default(Task<int>), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void All1()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.All<int>(default(IAsyncQueryable<int>), (int arg0) => true), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.All<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, bool>>)), ane => ane.ParamName == "predicate");

            var res = AsyncQueryable.All<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => true);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void All2()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.All<int>(default(IAsyncQueryable<int>), (int arg0) => default(Task<bool>)), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.All<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, Task<bool>>>)), ane => ane.ParamName == "predicate");

            var res = AsyncQueryable.All<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Task<bool>));
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void All3()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.All<int>(default(IAsyncQueryable<int>), (int arg0) => true, CancellationToken.None), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.All<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, bool>>), CancellationToken.None), ane => ane.ParamName == "predicate");

            var res = AsyncQueryable.All<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => true, CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void All4()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.All<int>(default(IAsyncQueryable<int>), (int arg0) => default(Task<bool>), CancellationToken.None), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.All<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, Task<bool>>>), CancellationToken.None), ane => ane.ParamName == "predicate");

            var res = AsyncQueryable.All<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Task<bool>), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Any1()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Any<int>(default(IAsyncQueryable<int>)), ane => ane.ParamName == "source");

            var res = AsyncQueryable.Any<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable());
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Any2()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Any<int>(default(IAsyncQueryable<int>), CancellationToken.None), ane => ane.ParamName == "source");

            var res = AsyncQueryable.Any<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Any3()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Any<int>(default(IAsyncQueryable<int>), (int arg0) => true), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Any<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, bool>>)), ane => ane.ParamName == "predicate");

            var res = AsyncQueryable.Any<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => true);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Any4()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Any<int>(default(IAsyncQueryable<int>), (int arg0) => default(Task<bool>)), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Any<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, Task<bool>>>)), ane => ane.ParamName == "predicate");

            var res = AsyncQueryable.Any<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Task<bool>));
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Any5()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Any<int>(default(IAsyncQueryable<int>), (int arg0) => true, CancellationToken.None), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Any<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, bool>>), CancellationToken.None), ane => ane.ParamName == "predicate");

            var res = AsyncQueryable.Any<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => true, CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Any6()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Any<int>(default(IAsyncQueryable<int>), (int arg0) => default(Task<bool>), CancellationToken.None), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Any<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, Task<bool>>>), CancellationToken.None), ane => ane.ParamName == "predicate");

            var res = AsyncQueryable.Any<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Task<bool>), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Append1()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Append<int>(default(IAsyncQueryable<int>), 1), ane => ane.ParamName == "source");

            var res = AsyncQueryable.Append<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), 1);
            var task = res.ForEachAsync(_ => { });
            AssertEx.SucceedOrFailProper(() => task.Wait());
        }

        [Fact]
        public void Average1()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average(default(IAsyncQueryable<double>)), ane => ane.ParamName == "source");

            var res = AsyncQueryable.Average(new double[] { default(double) }.ToAsyncEnumerable().AsAsyncQueryable());
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Average2()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average(default(IAsyncQueryable<decimal>)), ane => ane.ParamName == "source");

            var res = AsyncQueryable.Average(new decimal[] { default(decimal) }.ToAsyncEnumerable().AsAsyncQueryable());
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Average3()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average(default(IAsyncQueryable<int?>)), ane => ane.ParamName == "source");

            var res = AsyncQueryable.Average(new int?[] { default(int?) }.ToAsyncEnumerable().AsAsyncQueryable());
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Average4()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average(default(IAsyncQueryable<long?>)), ane => ane.ParamName == "source");

            var res = AsyncQueryable.Average(new long?[] { default(long?) }.ToAsyncEnumerable().AsAsyncQueryable());
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Average5()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average(default(IAsyncQueryable<float?>)), ane => ane.ParamName == "source");

            var res = AsyncQueryable.Average(new float?[] { default(float?) }.ToAsyncEnumerable().AsAsyncQueryable());
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Average6()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average(default(IAsyncQueryable<double?>)), ane => ane.ParamName == "source");

            var res = AsyncQueryable.Average(new double?[] { default(double?) }.ToAsyncEnumerable().AsAsyncQueryable());
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Average7()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average(default(IAsyncQueryable<decimal?>)), ane => ane.ParamName == "source");

            var res = AsyncQueryable.Average(new decimal?[] { default(decimal?) }.ToAsyncEnumerable().AsAsyncQueryable());
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Average8()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average(default(IAsyncQueryable<int>)), ane => ane.ParamName == "source");

            var res = AsyncQueryable.Average(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable());
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Average9()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average(default(IAsyncQueryable<long>)), ane => ane.ParamName == "source");

            var res = AsyncQueryable.Average(new long[] { default(long) }.ToAsyncEnumerable().AsAsyncQueryable());
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Average10()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average(default(IAsyncQueryable<float>)), ane => ane.ParamName == "source");

            var res = AsyncQueryable.Average(new float[] { default(float) }.ToAsyncEnumerable().AsAsyncQueryable());
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Average11()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average(default(IAsyncQueryable<float>), CancellationToken.None), ane => ane.ParamName == "source");

            var res = AsyncQueryable.Average(new float[] { default(float) }.ToAsyncEnumerable().AsAsyncQueryable(), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Average12()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average(default(IAsyncQueryable<double>), CancellationToken.None), ane => ane.ParamName == "source");

            var res = AsyncQueryable.Average(new double[] { default(double) }.ToAsyncEnumerable().AsAsyncQueryable(), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Average13()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average(default(IAsyncQueryable<decimal>), CancellationToken.None), ane => ane.ParamName == "source");

            var res = AsyncQueryable.Average(new decimal[] { default(decimal) }.ToAsyncEnumerable().AsAsyncQueryable(), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Average14()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average(default(IAsyncQueryable<int?>), CancellationToken.None), ane => ane.ParamName == "source");

            var res = AsyncQueryable.Average(new int?[] { default(int?) }.ToAsyncEnumerable().AsAsyncQueryable(), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Average15()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average(default(IAsyncQueryable<long?>), CancellationToken.None), ane => ane.ParamName == "source");

            var res = AsyncQueryable.Average(new long?[] { default(long?) }.ToAsyncEnumerable().AsAsyncQueryable(), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Average16()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average(default(IAsyncQueryable<float?>), CancellationToken.None), ane => ane.ParamName == "source");

            var res = AsyncQueryable.Average(new float?[] { default(float?) }.ToAsyncEnumerable().AsAsyncQueryable(), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Average17()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average(default(IAsyncQueryable<double?>), CancellationToken.None), ane => ane.ParamName == "source");

            var res = AsyncQueryable.Average(new double?[] { default(double?) }.ToAsyncEnumerable().AsAsyncQueryable(), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Average18()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average(default(IAsyncQueryable<decimal?>), CancellationToken.None), ane => ane.ParamName == "source");

            var res = AsyncQueryable.Average(new decimal?[] { default(decimal?) }.ToAsyncEnumerable().AsAsyncQueryable(), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Average19()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average(default(IAsyncQueryable<int>), CancellationToken.None), ane => ane.ParamName == "source");

            var res = AsyncQueryable.Average(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Average20()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average(default(IAsyncQueryable<long>), CancellationToken.None), ane => ane.ParamName == "source");

            var res = AsyncQueryable.Average(new long[] { default(long) }.ToAsyncEnumerable().AsAsyncQueryable(), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Average21()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average<int>(default(IAsyncQueryable<int>), (int arg0) => default(float)), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, float>>)), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Average<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(float));
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Average22()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average<int>(default(IAsyncQueryable<int>), (int arg0) => default(Task<float>)), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, Task<float>>>)), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Average<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Task<float>));
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Average23()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average<int>(default(IAsyncQueryable<int>), (int arg0) => default(double)), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, double>>)), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Average<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(double));
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Average24()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average<int>(default(IAsyncQueryable<int>), (int arg0) => default(Task<double>)), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, Task<double>>>)), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Average<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Task<double>));
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Average25()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average<int>(default(IAsyncQueryable<int>), (int arg0) => default(decimal)), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, decimal>>)), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Average<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(decimal));
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Average26()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average<int>(default(IAsyncQueryable<int>), (int arg0) => default(Task<decimal>)), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, Task<decimal>>>)), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Average<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Task<decimal>));
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Average27()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average<int>(default(IAsyncQueryable<int>), (int arg0) => default(Nullable<int>)), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, int?>>)), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Average<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Nullable<int>));
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Average28()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average<int>(default(IAsyncQueryable<int>), (int arg0) => default(Task<int?>)), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, Task<int?>>>)), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Average<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Task<int?>));
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Average29()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average<int>(default(IAsyncQueryable<int>), (int arg0) => default(Nullable<long>)), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, long?>>)), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Average<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Nullable<long>));
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Average30()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average<int>(default(IAsyncQueryable<int>), (int arg0) => default(Task<long?>)), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, Task<long?>>>)), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Average<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Task<long?>));
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Average31()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average<int>(default(IAsyncQueryable<int>), (int arg0) => default(Nullable<float>)), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, float?>>)), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Average<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Nullable<float>));
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Average32()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average<int>(default(IAsyncQueryable<int>), (int arg0) => default(Task<float?>)), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, Task<float?>>>)), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Average<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Task<float?>));
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Average33()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average<int>(default(IAsyncQueryable<int>), (int arg0) => default(Nullable<double>)), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, double?>>)), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Average<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Nullable<double>));
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Average34()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average<int>(default(IAsyncQueryable<int>), (int arg0) => default(Task<double?>)), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, Task<double?>>>)), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Average<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Task<double?>));
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Average35()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average<int>(default(IAsyncQueryable<int>), (int arg0) => default(Nullable<decimal>)), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, decimal?>>)), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Average<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Nullable<decimal>));
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Average36()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average<int>(default(IAsyncQueryable<int>), (int arg0) => default(Task<decimal?>)), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, Task<decimal?>>>)), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Average<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Task<decimal?>));
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Average37()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average<int>(default(IAsyncQueryable<int>), (int arg0) => default(int)), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, int>>)), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Average<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(int));
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Average38()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average<int>(default(IAsyncQueryable<int>), (int arg0) => default(Task<int>)), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, Task<int>>>)), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Average<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Task<int>));
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Average39()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average<int>(default(IAsyncQueryable<int>), (int arg0) => default(long)), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, long>>)), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Average<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(long));
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Average40()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average<int>(default(IAsyncQueryable<int>), (int arg0) => default(Task<long>)), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, Task<long>>>)), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Average<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Task<long>));
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Average41()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average<int>(default(IAsyncQueryable<int>), (int arg0) => default(float), CancellationToken.None), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, float>>), CancellationToken.None), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Average<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(float), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Average42()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average<int>(default(IAsyncQueryable<int>), (int arg0) => default(Task<float>), CancellationToken.None), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, Task<float>>>), CancellationToken.None), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Average<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Task<float>), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Average43()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average<int>(default(IAsyncQueryable<int>), (int arg0) => default(double), CancellationToken.None), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, double>>), CancellationToken.None), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Average<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(double), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Average44()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average<int>(default(IAsyncQueryable<int>), (int arg0) => default(Task<double>), CancellationToken.None), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, Task<double>>>), CancellationToken.None), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Average<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Task<double>), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Average45()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average<int>(default(IAsyncQueryable<int>), (int arg0) => default(decimal), CancellationToken.None), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, decimal>>), CancellationToken.None), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Average<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(decimal), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Average46()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average<int>(default(IAsyncQueryable<int>), (int arg0) => default(Task<decimal>), CancellationToken.None), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, Task<decimal>>>), CancellationToken.None), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Average<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Task<decimal>), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Average47()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average<int>(default(IAsyncQueryable<int>), (int arg0) => default(Nullable<int>), CancellationToken.None), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, int?>>), CancellationToken.None), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Average<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Nullable<int>), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Average48()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average<int>(default(IAsyncQueryable<int>), (int arg0) => default(Task<int?>), CancellationToken.None), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, Task<int?>>>), CancellationToken.None), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Average<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Task<int?>), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Average49()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average<int>(default(IAsyncQueryable<int>), (int arg0) => default(Nullable<long>), CancellationToken.None), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, long?>>), CancellationToken.None), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Average<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Nullable<long>), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Average50()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average<int>(default(IAsyncQueryable<int>), (int arg0) => default(Task<long?>), CancellationToken.None), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, Task<long?>>>), CancellationToken.None), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Average<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Task<long?>), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Average51()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average<int>(default(IAsyncQueryable<int>), (int arg0) => default(Nullable<float>), CancellationToken.None), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, float?>>), CancellationToken.None), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Average<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Nullable<float>), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Average52()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average<int>(default(IAsyncQueryable<int>), (int arg0) => default(Task<float?>), CancellationToken.None), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, Task<float?>>>), CancellationToken.None), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Average<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Task<float?>), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Average53()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average<int>(default(IAsyncQueryable<int>), (int arg0) => default(Nullable<double>), CancellationToken.None), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, double?>>), CancellationToken.None), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Average<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Nullable<double>), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Average54()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average<int>(default(IAsyncQueryable<int>), (int arg0) => default(Task<double?>), CancellationToken.None), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, Task<double?>>>), CancellationToken.None), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Average<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Task<double?>), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Average55()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average<int>(default(IAsyncQueryable<int>), (int arg0) => default(Nullable<decimal>), CancellationToken.None), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, decimal?>>), CancellationToken.None), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Average<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Nullable<decimal>), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Average56()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average<int>(default(IAsyncQueryable<int>), (int arg0) => default(Task<decimal?>), CancellationToken.None), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, Task<decimal?>>>), CancellationToken.None), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Average<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Task<decimal?>), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Average57()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average<int>(default(IAsyncQueryable<int>), (int arg0) => default(int), CancellationToken.None), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, int>>), CancellationToken.None), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Average<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(int), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Average58()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average<int>(default(IAsyncQueryable<int>), (int arg0) => default(Task<int>), CancellationToken.None), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, Task<int>>>), CancellationToken.None), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Average<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Task<int>), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Average59()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average<int>(default(IAsyncQueryable<int>), (int arg0) => default(long), CancellationToken.None), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, long>>), CancellationToken.None), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Average<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(long), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Average60()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average<int>(default(IAsyncQueryable<int>), (int arg0) => default(Task<long>), CancellationToken.None), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Average<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, Task<long>>>), CancellationToken.None), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Average<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Task<long>), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Cast1()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Cast<int>(default(IAsyncQueryable<object>)), ane => ane.ParamName == "source");

            var res = AsyncQueryable.Cast<int>(new object[] { default(object) }.ToAsyncEnumerable().AsAsyncQueryable());
            var task = res.ForEachAsync(_ => { });
            AssertEx.SucceedOrFailProper(() => task.Wait());
        }

        [Fact]
        public void Concat1()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Concat<int>(default(IAsyncQueryable<int>), new int[] { default(int) }.ToAsyncEnumerable()), ane => ane.ParamName == "first");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Concat<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(IAsyncEnumerable<int>)), ane => ane.ParamName == "second");

            var res = AsyncQueryable.Concat<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), new int[] { default(int) }.ToAsyncEnumerable());
            var task = res.ForEachAsync(_ => { });
            AssertEx.SucceedOrFailProper(() => task.Wait());
        }

        [Fact]
        public void Contains1()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Contains<int>(default(IAsyncQueryable<int>), 1), ane => ane.ParamName == "source");

            var res = AsyncQueryable.Contains<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), 1);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Contains2()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Contains<int>(default(IAsyncQueryable<int>), 1, CancellationToken.None), ane => ane.ParamName == "source");

            var res = AsyncQueryable.Contains<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), 1, CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Contains3()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Contains<int>(default(IAsyncQueryable<int>), 1, EqualityComparer<int>.Default), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Contains<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), 1, default(IEqualityComparer<int>)), ane => ane.ParamName == "comparer");

            var res = AsyncQueryable.Contains<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), 1, EqualityComparer<int>.Default);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Contains4()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Contains<int>(default(IAsyncQueryable<int>), 1, EqualityComparer<int>.Default, CancellationToken.None), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Contains<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), 1, default(IEqualityComparer<int>), CancellationToken.None), ane => ane.ParamName == "comparer");

            var res = AsyncQueryable.Contains<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), 1, EqualityComparer<int>.Default, CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Count1()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Count<int>(default(IAsyncQueryable<int>)), ane => ane.ParamName == "source");

            var res = AsyncQueryable.Count<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable());
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Count2()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Count<int>(default(IAsyncQueryable<int>), CancellationToken.None), ane => ane.ParamName == "source");

            var res = AsyncQueryable.Count<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Count3()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Count<int>(default(IAsyncQueryable<int>), (int arg0) => true), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Count<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, bool>>)), ane => ane.ParamName == "predicate");

            var res = AsyncQueryable.Count<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => true);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Count4()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Count<int>(default(IAsyncQueryable<int>), (int arg0) => default(Task<bool>)), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Count<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, Task<bool>>>)), ane => ane.ParamName == "predicate");

            var res = AsyncQueryable.Count<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Task<bool>));
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Count5()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Count<int>(default(IAsyncQueryable<int>), (int arg0) => true, CancellationToken.None), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Count<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, bool>>), CancellationToken.None), ane => ane.ParamName == "predicate");

            var res = AsyncQueryable.Count<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => true, CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Count6()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Count<int>(default(IAsyncQueryable<int>), (int arg0) => default(Task<bool>), CancellationToken.None), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Count<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, Task<bool>>>), CancellationToken.None), ane => ane.ParamName == "predicate");

            var res = AsyncQueryable.Count<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Task<bool>), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void DefaultIfEmpty1()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.DefaultIfEmpty<int>(default(IAsyncQueryable<int>)), ane => ane.ParamName == "source");

            var res = AsyncQueryable.DefaultIfEmpty<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable());
            var task = res.ForEachAsync(_ => { });
            AssertEx.SucceedOrFailProper(() => task.Wait());
        }

        [Fact]
        public void DefaultIfEmpty2()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.DefaultIfEmpty<int>(default(IAsyncQueryable<int>), 1), ane => ane.ParamName == "source");

            var res = AsyncQueryable.DefaultIfEmpty<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), 1);
            var task = res.ForEachAsync(_ => { });
            AssertEx.SucceedOrFailProper(() => task.Wait());
        }

        [Fact]
        public void Distinct1()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Distinct<int>(default(IAsyncQueryable<int>)), ane => ane.ParamName == "source");

            var res = AsyncQueryable.Distinct<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable());
            var task = res.ForEachAsync(_ => { });
            AssertEx.SucceedOrFailProper(() => task.Wait());
        }

        [Fact]
        public void Distinct2()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Distinct<int>(default(IAsyncQueryable<int>), EqualityComparer<int>.Default), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Distinct<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(IEqualityComparer<int>)), ane => ane.ParamName == "comparer");

            var res = AsyncQueryable.Distinct<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), EqualityComparer<int>.Default);
            var task = res.ForEachAsync(_ => { });
            AssertEx.SucceedOrFailProper(() => task.Wait());
        }

        [Fact]
        public void ElementAt1()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.ElementAt<int>(default(IAsyncQueryable<int>), 1), ane => ane.ParamName == "source");

            var res = AsyncQueryable.ElementAt<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), 1);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void ElementAt2()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.ElementAt<int>(default(IAsyncQueryable<int>), 1, CancellationToken.None), ane => ane.ParamName == "source");

            var res = AsyncQueryable.ElementAt<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), 1, CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void ElementAtOrDefault1()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.ElementAtOrDefault<int>(default(IAsyncQueryable<int>), 1), ane => ane.ParamName == "source");

            var res = AsyncQueryable.ElementAtOrDefault<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), 1);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void ElementAtOrDefault2()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.ElementAtOrDefault<int>(default(IAsyncQueryable<int>), 1, CancellationToken.None), ane => ane.ParamName == "source");

            var res = AsyncQueryable.ElementAtOrDefault<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), 1, CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Except1()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Except<int>(default(IAsyncQueryable<int>), new int[] { default(int) }.ToAsyncEnumerable()), ane => ane.ParamName == "first");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Except<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(IAsyncEnumerable<int>)), ane => ane.ParamName == "second");

            var res = AsyncQueryable.Except<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), new int[] { default(int) }.ToAsyncEnumerable());
            var task = res.ForEachAsync(_ => { });
            AssertEx.SucceedOrFailProper(() => task.Wait());
        }

        [Fact]
        public void Except2()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Except<int>(default(IAsyncQueryable<int>), new int[] { default(int) }.ToAsyncEnumerable(), EqualityComparer<int>.Default), ane => ane.ParamName == "first");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Except<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(IAsyncEnumerable<int>), EqualityComparer<int>.Default), ane => ane.ParamName == "second");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Except<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), new int[] { default(int) }.ToAsyncEnumerable(), default(IEqualityComparer<int>)), ane => ane.ParamName == "comparer");

            var res = AsyncQueryable.Except<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), new int[] { default(int) }.ToAsyncEnumerable(), EqualityComparer<int>.Default);
            var task = res.ForEachAsync(_ => { });
            AssertEx.SucceedOrFailProper(() => task.Wait());
        }

        [Fact]
        public void First1()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.First<int>(default(IAsyncQueryable<int>)), ane => ane.ParamName == "source");

            var res = AsyncQueryable.First<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable());
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void First2()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.First<int>(default(IAsyncQueryable<int>), CancellationToken.None), ane => ane.ParamName == "source");

            var res = AsyncQueryable.First<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void First3()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.First<int>(default(IAsyncQueryable<int>), (int arg0) => true), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.First<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, bool>>)), ane => ane.ParamName == "predicate");

            var res = AsyncQueryable.First<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => true);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void First4()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.First<int>(default(IAsyncQueryable<int>), (int arg0) => default(Task<bool>)), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.First<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, Task<bool>>>)), ane => ane.ParamName == "predicate");

            var res = AsyncQueryable.First<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Task<bool>));
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void First5()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.First<int>(default(IAsyncQueryable<int>), (int arg0) => true, CancellationToken.None), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.First<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, bool>>), CancellationToken.None), ane => ane.ParamName == "predicate");

            var res = AsyncQueryable.First<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => true, CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void First6()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.First<int>(default(IAsyncQueryable<int>), (int arg0) => default(Task<bool>), CancellationToken.None), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.First<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, Task<bool>>>), CancellationToken.None), ane => ane.ParamName == "predicate");

            var res = AsyncQueryable.First<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Task<bool>), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void FirstOrDefault1()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.FirstOrDefault<int>(default(IAsyncQueryable<int>)), ane => ane.ParamName == "source");

            var res = AsyncQueryable.FirstOrDefault<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable());
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void FirstOrDefault2()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.FirstOrDefault<int>(default(IAsyncQueryable<int>), CancellationToken.None), ane => ane.ParamName == "source");

            var res = AsyncQueryable.FirstOrDefault<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void FirstOrDefault3()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.FirstOrDefault<int>(default(IAsyncQueryable<int>), (int arg0) => true), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.FirstOrDefault<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, bool>>)), ane => ane.ParamName == "predicate");

            var res = AsyncQueryable.FirstOrDefault<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => true);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void FirstOrDefault4()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.FirstOrDefault<int>(default(IAsyncQueryable<int>), (int arg0) => default(Task<bool>)), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.FirstOrDefault<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, Task<bool>>>)), ane => ane.ParamName == "predicate");

            var res = AsyncQueryable.FirstOrDefault<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Task<bool>));
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void FirstOrDefault5()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.FirstOrDefault<int>(default(IAsyncQueryable<int>), (int arg0) => true, CancellationToken.None), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.FirstOrDefault<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, bool>>), CancellationToken.None), ane => ane.ParamName == "predicate");

            var res = AsyncQueryable.FirstOrDefault<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => true, CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void FirstOrDefault6()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.FirstOrDefault<int>(default(IAsyncQueryable<int>), (int arg0) => default(Task<bool>), CancellationToken.None), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.FirstOrDefault<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, Task<bool>>>), CancellationToken.None), ane => ane.ParamName == "predicate");

            var res = AsyncQueryable.FirstOrDefault<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Task<bool>), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void GroupBy1()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.GroupBy<int, int>(default(IAsyncQueryable<int>), (int arg0) => default(int)), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.GroupBy<int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, int>>)), ane => ane.ParamName == "keySelector");

            var res = AsyncQueryable.GroupBy<int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(int));
            var task = res.ForEachAsync(_ => { });
            AssertEx.SucceedOrFailProper(() => task.Wait());
        }

        [Fact]
        public void GroupBy2()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.GroupBy<int, int>(default(IAsyncQueryable<int>), (int arg0) => default(Task<int>)), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.GroupBy<int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, Task<int>>>)), ane => ane.ParamName == "keySelector");

            var res = AsyncQueryable.GroupBy<int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Task<int>));
            var task = res.ForEachAsync(_ => { });
            AssertEx.SucceedOrFailProper(() => task.Wait());
        }

        [Fact]
        public void GroupBy3()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.GroupBy<int, int>(default(IAsyncQueryable<int>), (int arg0) => default(int), EqualityComparer<int>.Default), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.GroupBy<int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, int>>), EqualityComparer<int>.Default), ane => ane.ParamName == "keySelector");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.GroupBy<int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(int), default(IEqualityComparer<int>)), ane => ane.ParamName == "comparer");

            var res = AsyncQueryable.GroupBy<int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(int), EqualityComparer<int>.Default);
            var task = res.ForEachAsync(_ => { });
            AssertEx.SucceedOrFailProper(() => task.Wait());
        }

        [Fact]
        public void GroupBy4()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.GroupBy<int, int>(default(IAsyncQueryable<int>), (int arg0) => default(Task<int>), EqualityComparer<int>.Default), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.GroupBy<int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, Task<int>>>), EqualityComparer<int>.Default), ane => ane.ParamName == "keySelector");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.GroupBy<int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Task<int>), default(IEqualityComparer<int>)), ane => ane.ParamName == "comparer");

            var res = AsyncQueryable.GroupBy<int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Task<int>), EqualityComparer<int>.Default);
            var task = res.ForEachAsync(_ => { });
            AssertEx.SucceedOrFailProper(() => task.Wait());
        }

        [Fact]
        public void GroupBy5()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.GroupBy<int, int, int>(default(IAsyncQueryable<int>), (int arg0) => default(Task<int>), (int arg0) => default(Task<int>)), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.GroupBy<int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, Task<int>>>), (int arg0) => default(Task<int>)), ane => ane.ParamName == "keySelector");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.GroupBy<int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Task<int>), default(Expression<Func<int, Task<int>>>)), ane => ane.ParamName == "elementSelector");

            var res = AsyncQueryable.GroupBy<int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Task<int>), (int arg0) => default(Task<int>));
            var task = res.ForEachAsync(_ => { });
            AssertEx.SucceedOrFailProper(() => task.Wait());
        }

        [Fact]
        public void GroupBy6()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.GroupBy<int, int, int>(default(IAsyncQueryable<int>), (int arg0) => default(int), (int arg0) => default(int)), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.GroupBy<int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, int>>), (int arg0) => default(int)), ane => ane.ParamName == "keySelector");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.GroupBy<int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(int), default(Expression<Func<int, int>>)), ane => ane.ParamName == "elementSelector");

            var res = AsyncQueryable.GroupBy<int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(int), (int arg0) => default(int));
            var task = res.ForEachAsync(_ => { });
            AssertEx.SucceedOrFailProper(() => task.Wait());
        }

        [Fact]
        public void GroupBy7()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.GroupBy<int, int, int>(default(IAsyncQueryable<int>), (int arg0) => default(int), (int arg0, IAsyncEnumerable<int> arg1) => default(int)), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.GroupBy<int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, int>>), (int arg0, IAsyncEnumerable<int> arg1) => default(int)), ane => ane.ParamName == "keySelector");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.GroupBy<int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(int), default(Expression<Func<int, IAsyncEnumerable<int>, int>>)), ane => ane.ParamName == "resultSelector");

            var res = AsyncQueryable.GroupBy<int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(int), (int arg0, IAsyncEnumerable<int> arg1) => default(int));
            var task = res.ForEachAsync(_ => { });
            AssertEx.SucceedOrFailProper(() => task.Wait());
        }

        [Fact]
        public void GroupBy8()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.GroupBy<int, int, int>(default(IAsyncQueryable<int>), (int arg0) => default(Task<int>), (int arg0, IAsyncEnumerable<int> arg1) => default(Task<int>)), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.GroupBy<int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, Task<int>>>), (int arg0, IAsyncEnumerable<int> arg1) => default(Task<int>)), ane => ane.ParamName == "keySelector");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.GroupBy<int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Task<int>), default(Expression<Func<int, IAsyncEnumerable<int>, Task<int>>>)), ane => ane.ParamName == "resultSelector");

            var res = AsyncQueryable.GroupBy<int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Task<int>), (int arg0, IAsyncEnumerable<int> arg1) => default(Task<int>));
            var task = res.ForEachAsync(_ => { });
            AssertEx.SucceedOrFailProper(() => task.Wait());
        }

        [Fact]
        public void GroupBy9()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.GroupBy<int, int, int>(default(IAsyncQueryable<int>), (int arg0) => default(Task<int>), (int arg0) => default(Task<int>), EqualityComparer<int>.Default), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.GroupBy<int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, Task<int>>>), (int arg0) => default(Task<int>), EqualityComparer<int>.Default), ane => ane.ParamName == "keySelector");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.GroupBy<int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Task<int>), default(Expression<Func<int, Task<int>>>), EqualityComparer<int>.Default), ane => ane.ParamName == "elementSelector");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.GroupBy<int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Task<int>), (int arg0) => default(Task<int>), default(IEqualityComparer<int>)), ane => ane.ParamName == "comparer");

            var res = AsyncQueryable.GroupBy<int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Task<int>), (int arg0) => default(Task<int>), EqualityComparer<int>.Default);
            var task = res.ForEachAsync(_ => { });
            AssertEx.SucceedOrFailProper(() => task.Wait());
        }

        [Fact]
        public void GroupBy10()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.GroupBy<int, int, int>(default(IAsyncQueryable<int>), (int arg0) => default(int), (int arg0) => default(int), EqualityComparer<int>.Default), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.GroupBy<int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, int>>), (int arg0) => default(int), EqualityComparer<int>.Default), ane => ane.ParamName == "keySelector");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.GroupBy<int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(int), default(Expression<Func<int, int>>), EqualityComparer<int>.Default), ane => ane.ParamName == "elementSelector");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.GroupBy<int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(int), (int arg0) => default(int), default(IEqualityComparer<int>)), ane => ane.ParamName == "comparer");

            var res = AsyncQueryable.GroupBy<int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(int), (int arg0) => default(int), EqualityComparer<int>.Default);
            var task = res.ForEachAsync(_ => { });
            AssertEx.SucceedOrFailProper(() => task.Wait());
        }

        [Fact]
        public void GroupBy11()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.GroupBy<int, int, int>(default(IAsyncQueryable<int>), (int arg0) => default(int), (int arg0, IAsyncEnumerable<int> arg1) => default(int), EqualityComparer<int>.Default), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.GroupBy<int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, int>>), (int arg0, IAsyncEnumerable<int> arg1) => default(int), EqualityComparer<int>.Default), ane => ane.ParamName == "keySelector");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.GroupBy<int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(int), default(Expression<Func<int, IAsyncEnumerable<int>, int>>), EqualityComparer<int>.Default), ane => ane.ParamName == "resultSelector");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.GroupBy<int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(int), (int arg0, IAsyncEnumerable<int> arg1) => default(int), default(IEqualityComparer<int>)), ane => ane.ParamName == "comparer");

            var res = AsyncQueryable.GroupBy<int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(int), (int arg0, IAsyncEnumerable<int> arg1) => default(int), EqualityComparer<int>.Default);
            var task = res.ForEachAsync(_ => { });
            AssertEx.SucceedOrFailProper(() => task.Wait());
        }

        [Fact]
        public void GroupBy12()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.GroupBy<int, int, int>(default(IAsyncQueryable<int>), (int arg0) => default(Task<int>), (int arg0, IAsyncEnumerable<int> arg1) => default(Task<int>), EqualityComparer<int>.Default), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.GroupBy<int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, Task<int>>>), (int arg0, IAsyncEnumerable<int> arg1) => default(Task<int>), EqualityComparer<int>.Default), ane => ane.ParamName == "keySelector");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.GroupBy<int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Task<int>), default(Expression<Func<int, IAsyncEnumerable<int>, Task<int>>>), EqualityComparer<int>.Default), ane => ane.ParamName == "resultSelector");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.GroupBy<int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Task<int>), (int arg0, IAsyncEnumerable<int> arg1) => default(Task<int>), default(IEqualityComparer<int>)), ane => ane.ParamName == "comparer");

            var res = AsyncQueryable.GroupBy<int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Task<int>), (int arg0, IAsyncEnumerable<int> arg1) => default(Task<int>), EqualityComparer<int>.Default);
            var task = res.ForEachAsync(_ => { });
            AssertEx.SucceedOrFailProper(() => task.Wait());
        }

        [Fact]
        public void GroupBy13()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.GroupBy<int, int, int, int>(default(IAsyncQueryable<int>), (int arg0) => default(int), (int arg0) => default(int), (int arg0, IAsyncEnumerable<int> arg1) => default(int)), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.GroupBy<int, int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, int>>), (int arg0) => default(int), (int arg0, IAsyncEnumerable<int> arg1) => default(int)), ane => ane.ParamName == "keySelector");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.GroupBy<int, int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(int), default(Expression<Func<int, int>>), (int arg0, IAsyncEnumerable<int> arg1) => default(int)), ane => ane.ParamName == "elementSelector");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.GroupBy<int, int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(int), (int arg0) => default(int), default(Expression<Func<int, IAsyncEnumerable<int>, int>>)), ane => ane.ParamName == "resultSelector");

            var res = AsyncQueryable.GroupBy<int, int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(int), (int arg0) => default(int), (int arg0, IAsyncEnumerable<int> arg1) => default(int));
            var task = res.ForEachAsync(_ => { });
            AssertEx.SucceedOrFailProper(() => task.Wait());
        }

        [Fact]
        public void GroupBy14()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.GroupBy<int, int, int, int>(default(IAsyncQueryable<int>), (int arg0) => default(Task<int>), (int arg0) => default(Task<int>), (int arg0, IAsyncEnumerable<int> arg1) => default(Task<int>)), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.GroupBy<int, int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, Task<int>>>), (int arg0) => default(Task<int>), (int arg0, IAsyncEnumerable<int> arg1) => default(Task<int>)), ane => ane.ParamName == "keySelector");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.GroupBy<int, int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Task<int>), default(Expression<Func<int, Task<int>>>), (int arg0, IAsyncEnumerable<int> arg1) => default(Task<int>)), ane => ane.ParamName == "elementSelector");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.GroupBy<int, int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Task<int>), (int arg0) => default(Task<int>), default(Expression<Func<int, IAsyncEnumerable<int>, Task<int>>>)), ane => ane.ParamName == "resultSelector");

            var res = AsyncQueryable.GroupBy<int, int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Task<int>), (int arg0) => default(Task<int>), (int arg0, IAsyncEnumerable<int> arg1) => default(Task<int>));
            var task = res.ForEachAsync(_ => { });
            AssertEx.SucceedOrFailProper(() => task.Wait());
        }

        [Fact]
        public void GroupBy15()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.GroupBy<int, int, int, int>(default(IAsyncQueryable<int>), (int arg0) => default(int), (int arg0) => default(int), (int arg0, IAsyncEnumerable<int> arg1) => default(int), EqualityComparer<int>.Default), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.GroupBy<int, int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, int>>), (int arg0) => default(int), (int arg0, IAsyncEnumerable<int> arg1) => default(int), EqualityComparer<int>.Default), ane => ane.ParamName == "keySelector");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.GroupBy<int, int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(int), default(Expression<Func<int, int>>), (int arg0, IAsyncEnumerable<int> arg1) => default(int), EqualityComparer<int>.Default), ane => ane.ParamName == "elementSelector");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.GroupBy<int, int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(int), (int arg0) => default(int), default(Expression<Func<int, IAsyncEnumerable<int>, int>>), EqualityComparer<int>.Default), ane => ane.ParamName == "resultSelector");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.GroupBy<int, int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(int), (int arg0) => default(int), (int arg0, IAsyncEnumerable<int> arg1) => default(int), default(IEqualityComparer<int>)), ane => ane.ParamName == "comparer");

            var res = AsyncQueryable.GroupBy<int, int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(int), (int arg0) => default(int), (int arg0, IAsyncEnumerable<int> arg1) => default(int), EqualityComparer<int>.Default);
            var task = res.ForEachAsync(_ => { });
            AssertEx.SucceedOrFailProper(() => task.Wait());
        }

        [Fact]
        public void GroupBy16()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.GroupBy<int, int, int, int>(default(IAsyncQueryable<int>), (int arg0) => default(Task<int>), (int arg0) => default(Task<int>), (int arg0, IAsyncEnumerable<int> arg1) => default(Task<int>), EqualityComparer<int>.Default), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.GroupBy<int, int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, Task<int>>>), (int arg0) => default(Task<int>), (int arg0, IAsyncEnumerable<int> arg1) => default(Task<int>), EqualityComparer<int>.Default), ane => ane.ParamName == "keySelector");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.GroupBy<int, int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Task<int>), default(Expression<Func<int, Task<int>>>), (int arg0, IAsyncEnumerable<int> arg1) => default(Task<int>), EqualityComparer<int>.Default), ane => ane.ParamName == "elementSelector");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.GroupBy<int, int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Task<int>), (int arg0) => default(Task<int>), default(Expression<Func<int, IAsyncEnumerable<int>, Task<int>>>), EqualityComparer<int>.Default), ane => ane.ParamName == "resultSelector");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.GroupBy<int, int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Task<int>), (int arg0) => default(Task<int>), (int arg0, IAsyncEnumerable<int> arg1) => default(Task<int>), default(IEqualityComparer<int>)), ane => ane.ParamName == "comparer");

            var res = AsyncQueryable.GroupBy<int, int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Task<int>), (int arg0) => default(Task<int>), (int arg0, IAsyncEnumerable<int> arg1) => default(Task<int>), EqualityComparer<int>.Default);
            var task = res.ForEachAsync(_ => { });
            AssertEx.SucceedOrFailProper(() => task.Wait());
        }

        [Fact]
        public void GroupJoin1()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.GroupJoin<int, int, int, int>(default(IAsyncQueryable<int>), new int[] { default(int) }.ToAsyncEnumerable(), (int arg0) => default(int), (int arg0) => default(int), (int arg0, IAsyncEnumerable<int> arg1) => default(int)), ane => ane.ParamName == "outer");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.GroupJoin<int, int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(IAsyncEnumerable<int>), (int arg0) => default(int), (int arg0) => default(int), (int arg0, IAsyncEnumerable<int> arg1) => default(int)), ane => ane.ParamName == "inner");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.GroupJoin<int, int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), new int[] { default(int) }.ToAsyncEnumerable(), default(Expression<Func<int, int>>), (int arg0) => default(int), (int arg0, IAsyncEnumerable<int> arg1) => default(int)), ane => ane.ParamName == "outerKeySelector");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.GroupJoin<int, int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), new int[] { default(int) }.ToAsyncEnumerable(), (int arg0) => default(int), default(Expression<Func<int, int>>), (int arg0, IAsyncEnumerable<int> arg1) => default(int)), ane => ane.ParamName == "innerKeySelector");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.GroupJoin<int, int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), new int[] { default(int) }.ToAsyncEnumerable(), (int arg0) => default(int), (int arg0) => default(int), default(Expression<Func<int, IAsyncEnumerable<int>, int>>)), ane => ane.ParamName == "resultSelector");

            var res = AsyncQueryable.GroupJoin<int, int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), new int[] { default(int) }.ToAsyncEnumerable(), (int arg0) => default(int), (int arg0) => default(int), (int arg0, IAsyncEnumerable<int> arg1) => default(int));
            var task = res.ForEachAsync(_ => { });
            AssertEx.SucceedOrFailProper(() => task.Wait());
        }

        [Fact]
        public void GroupJoin2()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.GroupJoin<int, int, int, int>(default(IAsyncQueryable<int>), new int[] { default(int) }.ToAsyncEnumerable(), (int arg0) => default(Task<int>), (int arg0) => default(Task<int>), (int arg0, IAsyncEnumerable<int> arg1) => default(Task<int>)), ane => ane.ParamName == "outer");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.GroupJoin<int, int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(IAsyncEnumerable<int>), (int arg0) => default(Task<int>), (int arg0) => default(Task<int>), (int arg0, IAsyncEnumerable<int> arg1) => default(Task<int>)), ane => ane.ParamName == "inner");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.GroupJoin<int, int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), new int[] { default(int) }.ToAsyncEnumerable(), default(Expression<Func<int, Task<int>>>), (int arg0) => default(Task<int>), (int arg0, IAsyncEnumerable<int> arg1) => default(Task<int>)), ane => ane.ParamName == "outerKeySelector");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.GroupJoin<int, int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), new int[] { default(int) }.ToAsyncEnumerable(), (int arg0) => default(Task<int>), default(Expression<Func<int, Task<int>>>), (int arg0, IAsyncEnumerable<int> arg1) => default(Task<int>)), ane => ane.ParamName == "innerKeySelector");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.GroupJoin<int, int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), new int[] { default(int) }.ToAsyncEnumerable(), (int arg0) => default(Task<int>), (int arg0) => default(Task<int>), default(Expression<Func<int, IAsyncEnumerable<int>, Task<int>>>)), ane => ane.ParamName == "resultSelector");

            var res = AsyncQueryable.GroupJoin<int, int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), new int[] { default(int) }.ToAsyncEnumerable(), (int arg0) => default(Task<int>), (int arg0) => default(Task<int>), (int arg0, IAsyncEnumerable<int> arg1) => default(Task<int>));
            var task = res.ForEachAsync(_ => { });
            AssertEx.SucceedOrFailProper(() => task.Wait());
        }

        [Fact]
        public void GroupJoin3()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.GroupJoin<int, int, int, int>(default(IAsyncQueryable<int>), new int[] { default(int) }.ToAsyncEnumerable(), (int arg0) => default(int), (int arg0) => default(int), (int arg0, IAsyncEnumerable<int> arg1) => default(int), EqualityComparer<int>.Default), ane => ane.ParamName == "outer");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.GroupJoin<int, int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(IAsyncEnumerable<int>), (int arg0) => default(int), (int arg0) => default(int), (int arg0, IAsyncEnumerable<int> arg1) => default(int), EqualityComparer<int>.Default), ane => ane.ParamName == "inner");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.GroupJoin<int, int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), new int[] { default(int) }.ToAsyncEnumerable(), default(Expression<Func<int, int>>), (int arg0) => default(int), (int arg0, IAsyncEnumerable<int> arg1) => default(int), EqualityComparer<int>.Default), ane => ane.ParamName == "outerKeySelector");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.GroupJoin<int, int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), new int[] { default(int) }.ToAsyncEnumerable(), (int arg0) => default(int), default(Expression<Func<int, int>>), (int arg0, IAsyncEnumerable<int> arg1) => default(int), EqualityComparer<int>.Default), ane => ane.ParamName == "innerKeySelector");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.GroupJoin<int, int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), new int[] { default(int) }.ToAsyncEnumerable(), (int arg0) => default(int), (int arg0) => default(int), default(Expression<Func<int, IAsyncEnumerable<int>, int>>), EqualityComparer<int>.Default), ane => ane.ParamName == "resultSelector");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.GroupJoin<int, int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), new int[] { default(int) }.ToAsyncEnumerable(), (int arg0) => default(int), (int arg0) => default(int), (int arg0, IAsyncEnumerable<int> arg1) => default(int), default(IEqualityComparer<int>)), ane => ane.ParamName == "comparer");

            var res = AsyncQueryable.GroupJoin<int, int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), new int[] { default(int) }.ToAsyncEnumerable(), (int arg0) => default(int), (int arg0) => default(int), (int arg0, IAsyncEnumerable<int> arg1) => default(int), EqualityComparer<int>.Default);
            var task = res.ForEachAsync(_ => { });
            AssertEx.SucceedOrFailProper(() => task.Wait());
        }

        [Fact]
        public void GroupJoin4()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.GroupJoin<int, int, int, int>(default(IAsyncQueryable<int>), new int[] { default(int) }.ToAsyncEnumerable(), (int arg0) => default(Task<int>), (int arg0) => default(Task<int>), (int arg0, IAsyncEnumerable<int> arg1) => default(Task<int>), EqualityComparer<int>.Default), ane => ane.ParamName == "outer");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.GroupJoin<int, int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(IAsyncEnumerable<int>), (int arg0) => default(Task<int>), (int arg0) => default(Task<int>), (int arg0, IAsyncEnumerable<int> arg1) => default(Task<int>), EqualityComparer<int>.Default), ane => ane.ParamName == "inner");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.GroupJoin<int, int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), new int[] { default(int) }.ToAsyncEnumerable(), default(Expression<Func<int, Task<int>>>), (int arg0) => default(Task<int>), (int arg0, IAsyncEnumerable<int> arg1) => default(Task<int>), EqualityComparer<int>.Default), ane => ane.ParamName == "outerKeySelector");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.GroupJoin<int, int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), new int[] { default(int) }.ToAsyncEnumerable(), (int arg0) => default(Task<int>), default(Expression<Func<int, Task<int>>>), (int arg0, IAsyncEnumerable<int> arg1) => default(Task<int>), EqualityComparer<int>.Default), ane => ane.ParamName == "innerKeySelector");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.GroupJoin<int, int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), new int[] { default(int) }.ToAsyncEnumerable(), (int arg0) => default(Task<int>), (int arg0) => default(Task<int>), default(Expression<Func<int, IAsyncEnumerable<int>, Task<int>>>), EqualityComparer<int>.Default), ane => ane.ParamName == "resultSelector");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.GroupJoin<int, int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), new int[] { default(int) }.ToAsyncEnumerable(), (int arg0) => default(Task<int>), (int arg0) => default(Task<int>), (int arg0, IAsyncEnumerable<int> arg1) => default(Task<int>), default(IEqualityComparer<int>)), ane => ane.ParamName == "comparer");

            var res = AsyncQueryable.GroupJoin<int, int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), new int[] { default(int) }.ToAsyncEnumerable(), (int arg0) => default(Task<int>), (int arg0) => default(Task<int>), (int arg0, IAsyncEnumerable<int> arg1) => default(Task<int>), EqualityComparer<int>.Default);
            var task = res.ForEachAsync(_ => { });
            AssertEx.SucceedOrFailProper(() => task.Wait());
        }

        [Fact]
        public void Intersect1()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Intersect<int>(default(IAsyncQueryable<int>), new int[] { default(int) }.ToAsyncEnumerable()), ane => ane.ParamName == "first");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Intersect<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(IAsyncEnumerable<int>)), ane => ane.ParamName == "second");

            var res = AsyncQueryable.Intersect<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), new int[] { default(int) }.ToAsyncEnumerable());
            var task = res.ForEachAsync(_ => { });
            AssertEx.SucceedOrFailProper(() => task.Wait());
        }

        [Fact]
        public void Intersect2()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Intersect<int>(default(IAsyncQueryable<int>), new int[] { default(int) }.ToAsyncEnumerable(), EqualityComparer<int>.Default), ane => ane.ParamName == "first");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Intersect<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(IAsyncEnumerable<int>), EqualityComparer<int>.Default), ane => ane.ParamName == "second");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Intersect<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), new int[] { default(int) }.ToAsyncEnumerable(), default(IEqualityComparer<int>)), ane => ane.ParamName == "comparer");

            var res = AsyncQueryable.Intersect<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), new int[] { default(int) }.ToAsyncEnumerable(), EqualityComparer<int>.Default);
            var task = res.ForEachAsync(_ => { });
            AssertEx.SucceedOrFailProper(() => task.Wait());
        }

        [Fact]
        public void Join1()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Join<int, int, int, int>(default(IAsyncQueryable<int>), new int[] { default(int) }.ToAsyncEnumerable(), (int arg0) => default(int), (int arg0) => default(int), (int arg0, int arg1) => default(int)), ane => ane.ParamName == "outer");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Join<int, int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(IAsyncEnumerable<int>), (int arg0) => default(int), (int arg0) => default(int), (int arg0, int arg1) => default(int)), ane => ane.ParamName == "inner");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Join<int, int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), new int[] { default(int) }.ToAsyncEnumerable(), default(Expression<Func<int, int>>), (int arg0) => default(int), (int arg0, int arg1) => default(int)), ane => ane.ParamName == "outerKeySelector");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Join<int, int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), new int[] { default(int) }.ToAsyncEnumerable(), (int arg0) => default(int), default(Expression<Func<int, int>>), (int arg0, int arg1) => default(int)), ane => ane.ParamName == "innerKeySelector");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Join<int, int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), new int[] { default(int) }.ToAsyncEnumerable(), (int arg0) => default(int), (int arg0) => default(int), default(Expression<Func<int, int, int>>)), ane => ane.ParamName == "resultSelector");

            var res = AsyncQueryable.Join<int, int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), new int[] { default(int) }.ToAsyncEnumerable(), (int arg0) => default(int), (int arg0) => default(int), (int arg0, int arg1) => default(int));
            var task = res.ForEachAsync(_ => { });
            AssertEx.SucceedOrFailProper(() => task.Wait());
        }

        [Fact]
        public void Join2()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Join<int, int, int, int>(default(IAsyncQueryable<int>), new int[] { default(int) }.ToAsyncEnumerable(), (int arg0) => default(Task<int>), (int arg0) => default(Task<int>), (int arg0, int arg1) => default(Task<int>)), ane => ane.ParamName == "outer");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Join<int, int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(IAsyncEnumerable<int>), (int arg0) => default(Task<int>), (int arg0) => default(Task<int>), (int arg0, int arg1) => default(Task<int>)), ane => ane.ParamName == "inner");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Join<int, int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), new int[] { default(int) }.ToAsyncEnumerable(), default(Expression<Func<int, Task<int>>>), (int arg0) => default(Task<int>), (int arg0, int arg1) => default(Task<int>)), ane => ane.ParamName == "outerKeySelector");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Join<int, int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), new int[] { default(int) }.ToAsyncEnumerable(), (int arg0) => default(Task<int>), default(Expression<Func<int, Task<int>>>), (int arg0, int arg1) => default(Task<int>)), ane => ane.ParamName == "innerKeySelector");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Join<int, int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), new int[] { default(int) }.ToAsyncEnumerable(), (int arg0) => default(Task<int>), (int arg0) => default(Task<int>), default(Expression<Func<int, int, Task<int>>>)), ane => ane.ParamName == "resultSelector");

            var res = AsyncQueryable.Join<int, int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), new int[] { default(int) }.ToAsyncEnumerable(), (int arg0) => default(Task<int>), (int arg0) => default(Task<int>), (int arg0, int arg1) => default(Task<int>));
            var task = res.ForEachAsync(_ => { });
            AssertEx.SucceedOrFailProper(() => task.Wait());
        }

        [Fact]
        public void Join3()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Join<int, int, int, int>(default(IAsyncQueryable<int>), new int[] { default(int) }.ToAsyncEnumerable(), (int arg0) => default(int), (int arg0) => default(int), (int arg0, int arg1) => default(int), EqualityComparer<int>.Default), ane => ane.ParamName == "outer");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Join<int, int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(IAsyncEnumerable<int>), (int arg0) => default(int), (int arg0) => default(int), (int arg0, int arg1) => default(int), EqualityComparer<int>.Default), ane => ane.ParamName == "inner");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Join<int, int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), new int[] { default(int) }.ToAsyncEnumerable(), default(Expression<Func<int, int>>), (int arg0) => default(int), (int arg0, int arg1) => default(int), EqualityComparer<int>.Default), ane => ane.ParamName == "outerKeySelector");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Join<int, int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), new int[] { default(int) }.ToAsyncEnumerable(), (int arg0) => default(int), default(Expression<Func<int, int>>), (int arg0, int arg1) => default(int), EqualityComparer<int>.Default), ane => ane.ParamName == "innerKeySelector");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Join<int, int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), new int[] { default(int) }.ToAsyncEnumerable(), (int arg0) => default(int), (int arg0) => default(int), default(Expression<Func<int, int, int>>), EqualityComparer<int>.Default), ane => ane.ParamName == "resultSelector");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Join<int, int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), new int[] { default(int) }.ToAsyncEnumerable(), (int arg0) => default(int), (int arg0) => default(int), (int arg0, int arg1) => default(int), default(IEqualityComparer<int>)), ane => ane.ParamName == "comparer");

            var res = AsyncQueryable.Join<int, int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), new int[] { default(int) }.ToAsyncEnumerable(), (int arg0) => default(int), (int arg0) => default(int), (int arg0, int arg1) => default(int), EqualityComparer<int>.Default);
            var task = res.ForEachAsync(_ => { });
            AssertEx.SucceedOrFailProper(() => task.Wait());
        }

        [Fact]
        public void Join4()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Join<int, int, int, int>(default(IAsyncQueryable<int>), new int[] { default(int) }.ToAsyncEnumerable(), (int arg0) => default(Task<int>), (int arg0) => default(Task<int>), (int arg0, int arg1) => default(Task<int>), EqualityComparer<int>.Default), ane => ane.ParamName == "outer");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Join<int, int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(IAsyncEnumerable<int>), (int arg0) => default(Task<int>), (int arg0) => default(Task<int>), (int arg0, int arg1) => default(Task<int>), EqualityComparer<int>.Default), ane => ane.ParamName == "inner");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Join<int, int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), new int[] { default(int) }.ToAsyncEnumerable(), default(Expression<Func<int, Task<int>>>), (int arg0) => default(Task<int>), (int arg0, int arg1) => default(Task<int>), EqualityComparer<int>.Default), ane => ane.ParamName == "outerKeySelector");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Join<int, int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), new int[] { default(int) }.ToAsyncEnumerable(), (int arg0) => default(Task<int>), default(Expression<Func<int, Task<int>>>), (int arg0, int arg1) => default(Task<int>), EqualityComparer<int>.Default), ane => ane.ParamName == "innerKeySelector");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Join<int, int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), new int[] { default(int) }.ToAsyncEnumerable(), (int arg0) => default(Task<int>), (int arg0) => default(Task<int>), default(Expression<Func<int, int, Task<int>>>), EqualityComparer<int>.Default), ane => ane.ParamName == "resultSelector");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Join<int, int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), new int[] { default(int) }.ToAsyncEnumerable(), (int arg0) => default(Task<int>), (int arg0) => default(Task<int>), (int arg0, int arg1) => default(Task<int>), default(IEqualityComparer<int>)), ane => ane.ParamName == "comparer");

            var res = AsyncQueryable.Join<int, int, int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), new int[] { default(int) }.ToAsyncEnumerable(), (int arg0) => default(Task<int>), (int arg0) => default(Task<int>), (int arg0, int arg1) => default(Task<int>), EqualityComparer<int>.Default);
            var task = res.ForEachAsync(_ => { });
            AssertEx.SucceedOrFailProper(() => task.Wait());
        }

        [Fact]
        public void Last1()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Last<int>(default(IAsyncQueryable<int>)), ane => ane.ParamName == "source");

            var res = AsyncQueryable.Last<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable());
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Last2()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Last<int>(default(IAsyncQueryable<int>), CancellationToken.None), ane => ane.ParamName == "source");

            var res = AsyncQueryable.Last<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Last3()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Last<int>(default(IAsyncQueryable<int>), (int arg0) => true), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Last<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, bool>>)), ane => ane.ParamName == "predicate");

            var res = AsyncQueryable.Last<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => true);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Last4()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Last<int>(default(IAsyncQueryable<int>), (int arg0) => default(Task<bool>)), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Last<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, Task<bool>>>)), ane => ane.ParamName == "predicate");

            var res = AsyncQueryable.Last<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Task<bool>));
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Last5()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Last<int>(default(IAsyncQueryable<int>), (int arg0) => true, CancellationToken.None), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Last<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, bool>>), CancellationToken.None), ane => ane.ParamName == "predicate");

            var res = AsyncQueryable.Last<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => true, CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Last6()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Last<int>(default(IAsyncQueryable<int>), (int arg0) => default(Task<bool>), CancellationToken.None), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Last<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, Task<bool>>>), CancellationToken.None), ane => ane.ParamName == "predicate");

            var res = AsyncQueryable.Last<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Task<bool>), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void LastOrDefault1()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.LastOrDefault<int>(default(IAsyncQueryable<int>)), ane => ane.ParamName == "source");

            var res = AsyncQueryable.LastOrDefault<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable());
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void LastOrDefault2()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.LastOrDefault<int>(default(IAsyncQueryable<int>), CancellationToken.None), ane => ane.ParamName == "source");

            var res = AsyncQueryable.LastOrDefault<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void LastOrDefault3()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.LastOrDefault<int>(default(IAsyncQueryable<int>), (int arg0) => true), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.LastOrDefault<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, bool>>)), ane => ane.ParamName == "predicate");

            var res = AsyncQueryable.LastOrDefault<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => true);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void LastOrDefault4()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.LastOrDefault<int>(default(IAsyncQueryable<int>), (int arg0) => default(Task<bool>)), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.LastOrDefault<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, Task<bool>>>)), ane => ane.ParamName == "predicate");

            var res = AsyncQueryable.LastOrDefault<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Task<bool>));
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void LastOrDefault5()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.LastOrDefault<int>(default(IAsyncQueryable<int>), (int arg0) => true, CancellationToken.None), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.LastOrDefault<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, bool>>), CancellationToken.None), ane => ane.ParamName == "predicate");

            var res = AsyncQueryable.LastOrDefault<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => true, CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void LastOrDefault6()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.LastOrDefault<int>(default(IAsyncQueryable<int>), (int arg0) => default(Task<bool>), CancellationToken.None), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.LastOrDefault<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, Task<bool>>>), CancellationToken.None), ane => ane.ParamName == "predicate");

            var res = AsyncQueryable.LastOrDefault<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Task<bool>), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void LongCount1()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.LongCount<int>(default(IAsyncQueryable<int>)), ane => ane.ParamName == "source");

            var res = AsyncQueryable.LongCount<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable());
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void LongCount2()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.LongCount<int>(default(IAsyncQueryable<int>), CancellationToken.None), ane => ane.ParamName == "source");

            var res = AsyncQueryable.LongCount<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void LongCount3()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.LongCount<int>(default(IAsyncQueryable<int>), (int arg0) => true), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.LongCount<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, bool>>)), ane => ane.ParamName == "predicate");

            var res = AsyncQueryable.LongCount<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => true);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void LongCount4()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.LongCount<int>(default(IAsyncQueryable<int>), (int arg0) => default(Task<bool>)), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.LongCount<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, Task<bool>>>)), ane => ane.ParamName == "predicate");

            var res = AsyncQueryable.LongCount<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Task<bool>));
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void LongCount5()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.LongCount<int>(default(IAsyncQueryable<int>), (int arg0) => true, CancellationToken.None), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.LongCount<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, bool>>), CancellationToken.None), ane => ane.ParamName == "predicate");

            var res = AsyncQueryable.LongCount<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => true, CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void LongCount6()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.LongCount<int>(default(IAsyncQueryable<int>), (int arg0) => default(Task<bool>), CancellationToken.None), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.LongCount<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, Task<bool>>>), CancellationToken.None), ane => ane.ParamName == "predicate");

            var res = AsyncQueryable.LongCount<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Task<bool>), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Max1()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max(default(IAsyncQueryable<int>)), ane => ane.ParamName == "source");

            var res = AsyncQueryable.Max(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable());
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Max2()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max(default(IAsyncQueryable<long>)), ane => ane.ParamName == "source");

            var res = AsyncQueryable.Max(new long[] { default(long) }.ToAsyncEnumerable().AsAsyncQueryable());
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Max3()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max(default(IAsyncQueryable<float>)), ane => ane.ParamName == "source");

            var res = AsyncQueryable.Max(new float[] { default(float) }.ToAsyncEnumerable().AsAsyncQueryable());
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Max4()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max(default(IAsyncQueryable<double>)), ane => ane.ParamName == "source");

            var res = AsyncQueryable.Max(new double[] { default(double) }.ToAsyncEnumerable().AsAsyncQueryable());
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Max5()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max(default(IAsyncQueryable<decimal>)), ane => ane.ParamName == "source");

            var res = AsyncQueryable.Max(new decimal[] { default(decimal) }.ToAsyncEnumerable().AsAsyncQueryable());
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Max6()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max(default(IAsyncQueryable<int?>)), ane => ane.ParamName == "source");

            var res = AsyncQueryable.Max(new int?[] { default(int?) }.ToAsyncEnumerable().AsAsyncQueryable());
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Max7()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max(default(IAsyncQueryable<long?>)), ane => ane.ParamName == "source");

            var res = AsyncQueryable.Max(new long?[] { default(long?) }.ToAsyncEnumerable().AsAsyncQueryable());
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Max8()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max(default(IAsyncQueryable<float?>)), ane => ane.ParamName == "source");

            var res = AsyncQueryable.Max(new float?[] { default(float?) }.ToAsyncEnumerable().AsAsyncQueryable());
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Max9()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max(default(IAsyncQueryable<double?>)), ane => ane.ParamName == "source");

            var res = AsyncQueryable.Max(new double?[] { default(double?) }.ToAsyncEnumerable().AsAsyncQueryable());
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Max10()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max(default(IAsyncQueryable<decimal?>)), ane => ane.ParamName == "source");

            var res = AsyncQueryable.Max(new decimal?[] { default(decimal?) }.ToAsyncEnumerable().AsAsyncQueryable());
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Max11()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max(default(IAsyncQueryable<int>), CancellationToken.None), ane => ane.ParamName == "source");

            var res = AsyncQueryable.Max(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Max12()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max(default(IAsyncQueryable<long>), CancellationToken.None), ane => ane.ParamName == "source");

            var res = AsyncQueryable.Max(new long[] { default(long) }.ToAsyncEnumerable().AsAsyncQueryable(), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Max13()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max(default(IAsyncQueryable<float>), CancellationToken.None), ane => ane.ParamName == "source");

            var res = AsyncQueryable.Max(new float[] { default(float) }.ToAsyncEnumerable().AsAsyncQueryable(), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Max14()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max(default(IAsyncQueryable<double>), CancellationToken.None), ane => ane.ParamName == "source");

            var res = AsyncQueryable.Max(new double[] { default(double) }.ToAsyncEnumerable().AsAsyncQueryable(), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Max15()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max(default(IAsyncQueryable<decimal>), CancellationToken.None), ane => ane.ParamName == "source");

            var res = AsyncQueryable.Max(new decimal[] { default(decimal) }.ToAsyncEnumerable().AsAsyncQueryable(), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Max16()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max(default(IAsyncQueryable<int?>), CancellationToken.None), ane => ane.ParamName == "source");

            var res = AsyncQueryable.Max(new int?[] { default(int?) }.ToAsyncEnumerable().AsAsyncQueryable(), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Max17()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max(default(IAsyncQueryable<long?>), CancellationToken.None), ane => ane.ParamName == "source");

            var res = AsyncQueryable.Max(new long?[] { default(long?) }.ToAsyncEnumerable().AsAsyncQueryable(), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Max18()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max(default(IAsyncQueryable<float?>), CancellationToken.None), ane => ane.ParamName == "source");

            var res = AsyncQueryable.Max(new float?[] { default(float?) }.ToAsyncEnumerable().AsAsyncQueryable(), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Max19()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max(default(IAsyncQueryable<double?>), CancellationToken.None), ane => ane.ParamName == "source");

            var res = AsyncQueryable.Max(new double?[] { default(double?) }.ToAsyncEnumerable().AsAsyncQueryable(), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Max20()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max(default(IAsyncQueryable<decimal?>), CancellationToken.None), ane => ane.ParamName == "source");

            var res = AsyncQueryable.Max(new decimal?[] { default(decimal?) }.ToAsyncEnumerable().AsAsyncQueryable(), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Max21()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int>(default(IAsyncQueryable<int>)), ane => ane.ParamName == "source");

            var res = AsyncQueryable.Max<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable());
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Max22()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int>(default(IAsyncQueryable<int>), CancellationToken.None), ane => ane.ParamName == "source");

            var res = AsyncQueryable.Max<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Max23()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int>(default(IAsyncQueryable<int>), (int arg0) => default(Nullable<decimal>)), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, decimal?>>)), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Max<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Nullable<decimal>));
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Max24()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int>(default(IAsyncQueryable<int>), (int arg0) => default(Task<decimal?>)), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, Task<decimal?>>>)), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Max<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Task<decimal?>));
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Max25()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int>(default(IAsyncQueryable<int>), (int arg0) => default(int)), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, int>>)), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Max<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(int));
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Max26()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int>(default(IAsyncQueryable<int>), (int arg0) => default(Task<int>)), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, Task<int>>>)), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Max<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Task<int>));
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Max27()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int>(default(IAsyncQueryable<int>), (int arg0) => default(long)), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, long>>)), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Max<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(long));
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Max28()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int>(default(IAsyncQueryable<int>), (int arg0) => default(Task<long>)), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, Task<long>>>)), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Max<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Task<long>));
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Max29()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int>(default(IAsyncQueryable<int>), (int arg0) => default(float)), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, float>>)), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Max<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(float));
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Max30()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int>(default(IAsyncQueryable<int>), (int arg0) => default(Task<float>)), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, Task<float>>>)), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Max<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Task<float>));
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Max31()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int>(default(IAsyncQueryable<int>), (int arg0) => default(double)), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, double>>)), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Max<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(double));
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Max32()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int>(default(IAsyncQueryable<int>), (int arg0) => default(Task<double>)), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, Task<double>>>)), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Max<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Task<double>));
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Max33()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int>(default(IAsyncQueryable<int>), (int arg0) => default(decimal)), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, decimal>>)), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Max<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(decimal));
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Max34()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int>(default(IAsyncQueryable<int>), (int arg0) => default(Task<decimal>)), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, Task<decimal>>>)), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Max<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Task<decimal>));
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Max35()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int>(default(IAsyncQueryable<int>), (int arg0) => default(Nullable<int>)), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, int?>>)), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Max<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Nullable<int>));
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Max36()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int>(default(IAsyncQueryable<int>), (int arg0) => default(Task<int?>)), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, Task<int?>>>)), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Max<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Task<int?>));
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Max37()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int>(default(IAsyncQueryable<int>), (int arg0) => default(Nullable<long>)), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, long?>>)), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Max<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Nullable<long>));
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Max38()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int>(default(IAsyncQueryable<int>), (int arg0) => default(Task<long?>)), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, Task<long?>>>)), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Max<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Task<long?>));
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Max39()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int>(default(IAsyncQueryable<int>), (int arg0) => default(Nullable<float>)), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, float?>>)), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Max<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Nullable<float>));
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Max40()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int>(default(IAsyncQueryable<int>), (int arg0) => default(Task<float?>)), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, Task<float?>>>)), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Max<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Task<float?>));
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Max41()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int>(default(IAsyncQueryable<int>), (int arg0) => default(Nullable<double>)), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, double?>>)), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Max<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Nullable<double>));
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Max42()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int>(default(IAsyncQueryable<int>), (int arg0) => default(Task<double?>)), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, Task<double?>>>)), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Max<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Task<double?>));
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Max43()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int>(default(IAsyncQueryable<int>), (int arg0) => default(Nullable<decimal>), CancellationToken.None), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, decimal?>>), CancellationToken.None), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Max<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Nullable<decimal>), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Max44()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int>(default(IAsyncQueryable<int>), (int arg0) => default(Task<decimal?>), CancellationToken.None), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, Task<decimal?>>>), CancellationToken.None), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Max<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Task<decimal?>), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Max45()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int>(default(IAsyncQueryable<int>), (int arg0) => default(int), CancellationToken.None), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, int>>), CancellationToken.None), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Max<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(int), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Max46()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int>(default(IAsyncQueryable<int>), (int arg0) => default(Task<int>), CancellationToken.None), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, Task<int>>>), CancellationToken.None), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Max<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Task<int>), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Max47()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int>(default(IAsyncQueryable<int>), (int arg0) => default(long), CancellationToken.None), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, long>>), CancellationToken.None), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Max<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(long), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Max48()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int>(default(IAsyncQueryable<int>), (int arg0) => default(Task<long>), CancellationToken.None), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, Task<long>>>), CancellationToken.None), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Max<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Task<long>), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Max49()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int>(default(IAsyncQueryable<int>), (int arg0) => default(float), CancellationToken.None), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, float>>), CancellationToken.None), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Max<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(float), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Max50()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int>(default(IAsyncQueryable<int>), (int arg0) => default(Task<float>), CancellationToken.None), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, Task<float>>>), CancellationToken.None), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Max<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Task<float>), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Max51()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int>(default(IAsyncQueryable<int>), (int arg0) => default(double), CancellationToken.None), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, double>>), CancellationToken.None), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Max<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(double), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Max52()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int>(default(IAsyncQueryable<int>), (int arg0) => default(Task<double>), CancellationToken.None), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, Task<double>>>), CancellationToken.None), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Max<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Task<double>), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Max53()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int>(default(IAsyncQueryable<int>), (int arg0) => default(decimal), CancellationToken.None), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, decimal>>), CancellationToken.None), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Max<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(decimal), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Max54()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int>(default(IAsyncQueryable<int>), (int arg0) => default(Task<decimal>), CancellationToken.None), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, Task<decimal>>>), CancellationToken.None), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Max<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Task<decimal>), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Max55()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int>(default(IAsyncQueryable<int>), (int arg0) => default(Nullable<int>), CancellationToken.None), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, int?>>), CancellationToken.None), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Max<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Nullable<int>), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Max56()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int>(default(IAsyncQueryable<int>), (int arg0) => default(Task<int?>), CancellationToken.None), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, Task<int?>>>), CancellationToken.None), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Max<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Task<int?>), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Max57()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int>(default(IAsyncQueryable<int>), (int arg0) => default(Nullable<long>), CancellationToken.None), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, long?>>), CancellationToken.None), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Max<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Nullable<long>), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Max58()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int>(default(IAsyncQueryable<int>), (int arg0) => default(Task<long?>), CancellationToken.None), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, Task<long?>>>), CancellationToken.None), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Max<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Task<long?>), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Max59()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int>(default(IAsyncQueryable<int>), (int arg0) => default(Nullable<float>), CancellationToken.None), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, float?>>), CancellationToken.None), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Max<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Nullable<float>), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Max60()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int>(default(IAsyncQueryable<int>), (int arg0) => default(Task<float?>), CancellationToken.None), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, Task<float?>>>), CancellationToken.None), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Max<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Task<float?>), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Max61()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int>(default(IAsyncQueryable<int>), (int arg0) => default(Nullable<double>), CancellationToken.None), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, double?>>), CancellationToken.None), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Max<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Nullable<double>), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Max62()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int>(default(IAsyncQueryable<int>), (int arg0) => default(Task<double?>), CancellationToken.None), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, Task<double?>>>), CancellationToken.None), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Max<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Task<double?>), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Max63()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int, int>(default(IAsyncQueryable<int>), (int arg0) => default(int)), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, int>>)), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Max<int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(int));
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Max64()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int, int>(default(IAsyncQueryable<int>), (int arg0) => default(Task<int>)), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, Task<int>>>)), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Max<int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Task<int>));
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Max65()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int, int>(default(IAsyncQueryable<int>), (int arg0) => default(int), CancellationToken.None), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, int>>), CancellationToken.None), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Max<int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(int), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Max66()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int, int>(default(IAsyncQueryable<int>), (int arg0) => default(Task<int>), CancellationToken.None), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Max<int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, Task<int>>>), CancellationToken.None), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Max<int, int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Task<int>), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Min1()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Min(default(IAsyncQueryable<decimal?>)), ane => ane.ParamName == "source");

            var res = AsyncQueryable.Min(new decimal?[] { default(decimal?) }.ToAsyncEnumerable().AsAsyncQueryable());
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Min2()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Min(default(IAsyncQueryable<int>)), ane => ane.ParamName == "source");

            var res = AsyncQueryable.Min(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable());
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Min3()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Min(default(IAsyncQueryable<long>)), ane => ane.ParamName == "source");

            var res = AsyncQueryable.Min(new long[] { default(long) }.ToAsyncEnumerable().AsAsyncQueryable());
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Min4()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Min(default(IAsyncQueryable<float>)), ane => ane.ParamName == "source");

            var res = AsyncQueryable.Min(new float[] { default(float) }.ToAsyncEnumerable().AsAsyncQueryable());
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Min5()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Min(default(IAsyncQueryable<double>)), ane => ane.ParamName == "source");

            var res = AsyncQueryable.Min(new double[] { default(double) }.ToAsyncEnumerable().AsAsyncQueryable());
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Min6()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Min(default(IAsyncQueryable<decimal>)), ane => ane.ParamName == "source");

            var res = AsyncQueryable.Min(new decimal[] { default(decimal) }.ToAsyncEnumerable().AsAsyncQueryable());
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Min7()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Min(default(IAsyncQueryable<int?>)), ane => ane.ParamName == "source");

            var res = AsyncQueryable.Min(new int?[] { default(int?) }.ToAsyncEnumerable().AsAsyncQueryable());
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Min8()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Min(default(IAsyncQueryable<long?>)), ane => ane.ParamName == "source");

            var res = AsyncQueryable.Min(new long?[] { default(long?) }.ToAsyncEnumerable().AsAsyncQueryable());
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Min9()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Min(default(IAsyncQueryable<float?>)), ane => ane.ParamName == "source");

            var res = AsyncQueryable.Min(new float?[] { default(float?) }.ToAsyncEnumerable().AsAsyncQueryable());
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Min10()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Min(default(IAsyncQueryable<double?>)), ane => ane.ParamName == "source");

            var res = AsyncQueryable.Min(new double?[] { default(double?) }.ToAsyncEnumerable().AsAsyncQueryable());
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Min11()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Min(default(IAsyncQueryable<decimal?>), CancellationToken.None), ane => ane.ParamName == "source");

            var res = AsyncQueryable.Min(new decimal?[] { default(decimal?) }.ToAsyncEnumerable().AsAsyncQueryable(), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Min12()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Min(default(IAsyncQueryable<int>), CancellationToken.None), ane => ane.ParamName == "source");

            var res = AsyncQueryable.Min(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Min13()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Min(default(IAsyncQueryable<long>), CancellationToken.None), ane => ane.ParamName == "source");

            var res = AsyncQueryable.Min(new long[] { default(long) }.ToAsyncEnumerable().AsAsyncQueryable(), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Min14()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Min(default(IAsyncQueryable<float>), CancellationToken.None), ane => ane.ParamName == "source");

            var res = AsyncQueryable.Min(new float[] { default(float) }.ToAsyncEnumerable().AsAsyncQueryable(), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Min15()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Min(default(IAsyncQueryable<double>), CancellationToken.None), ane => ane.ParamName == "source");

            var res = AsyncQueryable.Min(new double[] { default(double) }.ToAsyncEnumerable().AsAsyncQueryable(), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Min16()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Min(default(IAsyncQueryable<decimal>), CancellationToken.None), ane => ane.ParamName == "source");

            var res = AsyncQueryable.Min(new decimal[] { default(decimal) }.ToAsyncEnumerable().AsAsyncQueryable(), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Min17()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Min(default(IAsyncQueryable<int?>), CancellationToken.None), ane => ane.ParamName == "source");

            var res = AsyncQueryable.Min(new int?[] { default(int?) }.ToAsyncEnumerable().AsAsyncQueryable(), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Min18()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Min(default(IAsyncQueryable<long?>), CancellationToken.None), ane => ane.ParamName == "source");

            var res = AsyncQueryable.Min(new long?[] { default(long?) }.ToAsyncEnumerable().AsAsyncQueryable(), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Min19()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Min(default(IAsyncQueryable<float?>), CancellationToken.None), ane => ane.ParamName == "source");

            var res = AsyncQueryable.Min(new float?[] { default(float?) }.ToAsyncEnumerable().AsAsyncQueryable(), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Min20()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Min(default(IAsyncQueryable<double?>), CancellationToken.None), ane => ane.ParamName == "source");

            var res = AsyncQueryable.Min(new double?[] { default(double?) }.ToAsyncEnumerable().AsAsyncQueryable(), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Min21()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Min<int>(default(IAsyncQueryable<int>)), ane => ane.ParamName == "source");

            var res = AsyncQueryable.Min<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable());
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Min22()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Min<int>(default(IAsyncQueryable<int>), CancellationToken.None), ane => ane.ParamName == "source");

            var res = AsyncQueryable.Min<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), CancellationToken.None);
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Min23()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Min<int>(default(IAsyncQueryable<int>), (int arg0) => default(Nullable<decimal>)), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Min<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, decimal?>>)), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Min<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Nullable<decimal>));
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Min24()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Min<int>(default(IAsyncQueryable<int>), (int arg0) => default(Task<decimal?>)), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Min<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, Task<decimal?>>>)), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Min<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Task<decimal?>));
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Min25()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Min<int>(default(IAsyncQueryable<int>), (int arg0) => default(int)), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Min<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, int>>)), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Min<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(int));
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Min26()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Min<int>(default(IAsyncQueryable<int>), (int arg0) => default(Task<int>)), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Min<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, Task<int>>>)), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Min<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Task<int>));
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Min27()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Min<int>(default(IAsyncQueryable<int>), (int arg0) => default(long)), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Min<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, long>>)), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Min<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(long));
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Min28()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Min<int>(default(IAsyncQueryable<int>), (int arg0) => default(Task<long>)), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Min<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, Task<long>>>)), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Min<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Task<long>));
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Min29()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Min<int>(default(IAsyncQueryable<int>), (int arg0) => default(float)), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Min<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, float>>)), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Min<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(float));
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Min30()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Min<int>(default(IAsyncQueryable<int>), (int arg0) => default(Task<float>)), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Min<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, Task<float>>>)), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Min<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(Task<float>));
            AssertEx.SucceedOrFailProper(() => res.Wait());
        }

        [Fact]
        public void Min31()
        {
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Min<int>(default(IAsyncQueryable<int>), (int arg0) => default(double)), ane => ane.ParamName == "source");
            AssertEx.Throws<ArgumentNullException>(() => AsyncQueryable.Min<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), default(Expression<Func<int, double>>)), ane => ane.ParamName == "selector");

            var res = AsyncQueryable.Min<int>(new int[] { default(int) }.ToAsyncEnumerable().AsAsyncQueryable(), (int arg0) => default(double));