Moving SequenceEqual tests.

Ix.NET/Source/System.Interactive.Async.Tests/AsyncTests.Multiple.cs

@@ -210,185 +210,6 @@ namespace Tests
             throw new Exception("Bang!");
         }
 
-        [Fact]
-        public async Task SequenceEqual_Null()
-        {
-            await Assert.ThrowsAsync<ArgumentNullException>(() => AsyncEnumerable.SequenceEqual<int>(null, AsyncEnumerable.Return(42)));
-            await Assert.ThrowsAsync<ArgumentNullException>(() => AsyncEnumerable.SequenceEqual<int>(AsyncEnumerable.Return(42), null));
-
-            await Assert.ThrowsAsync<ArgumentNullException>(() => AsyncEnumerable.SequenceEqual<int>(null, AsyncEnumerable.Return(42), new Eq()));
-            await Assert.ThrowsAsync<ArgumentNullException>(() => AsyncEnumerable.SequenceEqual<int>(AsyncEnumerable.Return(42), null, new Eq()));
-            await Assert.ThrowsAsync<ArgumentNullException>(() => AsyncEnumerable.SequenceEqual<int>(AsyncEnumerable.Return(42), AsyncEnumerable.Return(42), null));
-
-            await Assert.ThrowsAsync<ArgumentNullException>(() => AsyncEnumerable.SequenceEqual<int>(null, AsyncEnumerable.Return(42), CancellationToken.None));
-            await Assert.ThrowsAsync<ArgumentNullException>(() => AsyncEnumerable.SequenceEqual<int>(AsyncEnumerable.Return(42), null, CancellationToken.None));
-
-            await Assert.ThrowsAsync<ArgumentNullException>(() => AsyncEnumerable.SequenceEqual<int>(null, AsyncEnumerable.Return(42), new Eq(), CancellationToken.None));
-            await Assert.ThrowsAsync<ArgumentNullException>(() => AsyncEnumerable.SequenceEqual<int>(AsyncEnumerable.Return(42), null, new Eq(), CancellationToken.None));
-            await Assert.ThrowsAsync<ArgumentNullException>(() => AsyncEnumerable.SequenceEqual<int>(AsyncEnumerable.Return(42), AsyncEnumerable.Return(42), null, CancellationToken.None));
-        }
-
-        [Fact]
-        public void SequenceEqual1()
-        {
-            var xs = new[] { 1, 2, 3 }.ToAsyncEnumerable();
-            var res = xs.SequenceEqual(xs);
-            Assert.True(res.Result);
-        }
-
-        [Fact]
-        public void SequenceEqual2()
-        {
-            var xs = AsyncEnumerable.Empty<int>();
-            var res = xs.SequenceEqual(xs);
-            Assert.True(res.Result);
-        }
-
-        [Fact]
-        public void SequenceEqual3()
-        {
-            var xs = new[] { 1, 2, 3 }.ToAsyncEnumerable();
-            var ys = new[] { 1, 3, 2 }.ToAsyncEnumerable();
-            var res = xs.SequenceEqual(ys);
-            Assert.False(res.Result);
-        }
-
-        [Fact]
-        public void SequenceEqual4()
-        {
-            var xs = new[] { 1, 2, 3, 4 }.ToAsyncEnumerable();
-            var ys = new[] { 1, 2, 3 }.ToAsyncEnumerable();
-            var res = xs.SequenceEqual(ys);
-            Assert.False(res.Result);
-        }
-
-        [Fact]
-        public void SequenceEqual5()
-        {
-            var xs = new[] { 1, 2, 3 }.ToAsyncEnumerable();
-            var ys = new[] { 1, 2, 3, 4 }.ToAsyncEnumerable();
-            var res = xs.SequenceEqual(ys);
-            Assert.False(res.Result);
-        }
-
-        [Fact]
-        public void SequenceEqual6()
-        {
-            var ex = new Exception("Bang!");
-            var xs = new[] { 1, 2, 3, 4 }.ToAsyncEnumerable();
-            var ys = AsyncEnumerable.Throw<int>(ex);
-            var res = xs.SequenceEqual(ys);
-
-            AssertThrows<Exception>(() => res.Wait(WaitTimeoutMs), ex_ => ((AggregateException)ex_).Flatten().InnerExceptions.Single() == ex);
-        }
-
-        [Fact]
-        public void SequenceEqual7()
-        {
-            var ex = new Exception("Bang!");
-            var xs = AsyncEnumerable.Throw<int>(ex);
-            var ys = new[] { 1, 2, 3, 4 }.ToAsyncEnumerable();
-            var res = xs.SequenceEqual(ys);
-
-            AssertThrows<Exception>(() => res.Wait(WaitTimeoutMs), ex_ => ((AggregateException)ex_).Flatten().InnerExceptions.Single() == ex);
-        }
-
-        [Fact]
-        public void SequenceEqual8()
-        {
-            var xs = new[] { 1, 2, 3 }.ToAsyncEnumerable();
-            var res = xs.SequenceEqual(xs, new Eq());
-            Assert.True(res.Result);
-        }
-
-        [Fact]
-        public void SequenceEqual9()
-        {
-            var xs = AsyncEnumerable.Empty<int>();
-            var res = xs.SequenceEqual(xs, new Eq());
-            Assert.True(res.Result);
-        }
-
-        [Fact]
-        public void SequenceEqual10()
-        {
-            var xs = new[] { 1, 2, 3 }.ToAsyncEnumerable();
-            var ys = new[] { 1, 3, 2 }.ToAsyncEnumerable();
-            var res = xs.SequenceEqual(ys, new Eq());
-            Assert.False(res.Result);
-        }
-
-        [Fact]
-        public void SequenceEqual11()
-        {
-            var xs = new[] { 1, 2, 3, 4 }.ToAsyncEnumerable();
-            var ys = new[] { 1, 2, 3 }.ToAsyncEnumerable();
-            var res = xs.SequenceEqual(ys, new Eq());
-            Assert.False(res.Result);
-        }
-
-        [Fact]
-        public void SequenceEqual12()
-        {
-            var xs = new[] { 1, 2, 3 }.ToAsyncEnumerable();
-            var ys = new[] { 1, 2, 3, 4 }.ToAsyncEnumerable();
-            var res = xs.SequenceEqual(ys, new Eq());
-            Assert.False(res.Result);
-        }
-
-        [Fact]
-        public void SequenceEqual13()
-        {
-            var ex = new Exception("Bang!");
-            var xs = new[] { 1, 2, 3, 4 }.ToAsyncEnumerable();
-            var ys = AsyncEnumerable.Throw<int>(ex);
-            var res = xs.SequenceEqual(ys, new Eq());
-
-            AssertThrows<Exception>(() => res.Wait(WaitTimeoutMs), ex_ => ((AggregateException)ex_).Flatten().InnerExceptions.Single() == ex);
-        }
-
-        [Fact]
-        public void SequenceEqual14()
-        {
-            var ex = new Exception("Bang!");
-            var xs = AsyncEnumerable.Throw<int>(ex);
-            var ys = new[] { 1, 2, 3, 4 }.ToAsyncEnumerable();
-            var res = xs.SequenceEqual(ys, new Eq());
-
-            AssertThrows<Exception>(() => res.Wait(WaitTimeoutMs), ex_ => ((AggregateException)ex_).Flatten().InnerExceptions.Single() == ex);
-        }
-
-        [Fact]
-        public void SequenceEqual15()
-        {
-            var xs = new[] { 1, 2, -3, 4 }.ToAsyncEnumerable();
-            var ys = new[] { 1, -2, 3, 4 }.ToAsyncEnumerable();
-            var res = xs.SequenceEqual(ys, new Eq());
-            Assert.True(res.Result);
-        }
-
-        [Fact]
-        public void SequenceEqual16()
-        {
-            var xs = new[] { 1, 2, -3, 4 }.ToAsyncEnumerable();
-            var ys = new[] { 1, -2, 3, 4 }.ToAsyncEnumerable();
-            var res = xs.SequenceEqual(ys, new EqEx());
-            AssertThrows<Exception>(() => res.Wait(WaitTimeoutMs), ex_ => ((AggregateException)ex_).Flatten().InnerExceptions.Single() is NotImplementedException);
-        }
-
-        class EqEx : IEqualityComparer<int>
-        {
-            public bool Equals(int x, int y)
-            {
-                throw new NotImplementedException();
-            }
-
-            public int GetHashCode(int obj)
-            {
-                throw new NotImplementedException();
-            }
-        }
-
         [Fact]
         public void GroupJoin_Null()
         {

Ix.NET/Source/System.Linq.Async.Tests/System/Linq/Operators/SequenceEqual.cs

@@ -0,0 +1,208 @@
+// 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.Threading;
+using System.Threading.Tasks;
+using Xunit;
+
+namespace Tests
+{
+    public class SequenceEqual : AsyncEnumerableTests
+    {
+        [Fact]
+        public async Task SequenceEqual_Null()
+        {
+            await Assert.ThrowsAsync<ArgumentNullException>(() => AsyncEnumerable.SequenceEqual<int>(null, AsyncEnumerable.Return(42)));
+            await Assert.ThrowsAsync<ArgumentNullException>(() => AsyncEnumerable.SequenceEqual<int>(AsyncEnumerable.Return(42), null));
+
+            await Assert.ThrowsAsync<ArgumentNullException>(() => AsyncEnumerable.SequenceEqual<int>(null, AsyncEnumerable.Return(42), new Eq()));
+            await Assert.ThrowsAsync<ArgumentNullException>(() => AsyncEnumerable.SequenceEqual<int>(AsyncEnumerable.Return(42), null, new Eq()));
+            await Assert.ThrowsAsync<ArgumentNullException>(() => AsyncEnumerable.SequenceEqual<int>(AsyncEnumerable.Return(42), AsyncEnumerable.Return(42), null));
+
+            await Assert.ThrowsAsync<ArgumentNullException>(() => AsyncEnumerable.SequenceEqual<int>(null, AsyncEnumerable.Return(42), CancellationToken.None));
+            await Assert.ThrowsAsync<ArgumentNullException>(() => AsyncEnumerable.SequenceEqual<int>(AsyncEnumerable.Return(42), null, CancellationToken.None));
+
+            await Assert.ThrowsAsync<ArgumentNullException>(() => AsyncEnumerable.SequenceEqual<int>(null, AsyncEnumerable.Return(42), new Eq(), CancellationToken.None));
+            await Assert.ThrowsAsync<ArgumentNullException>(() => AsyncEnumerable.SequenceEqual<int>(AsyncEnumerable.Return(42), null, new Eq(), CancellationToken.None));
+            await Assert.ThrowsAsync<ArgumentNullException>(() => AsyncEnumerable.SequenceEqual<int>(AsyncEnumerable.Return(42), AsyncEnumerable.Return(42), null, CancellationToken.None));
+        }
+
+        [Fact]
+        public void SequenceEqual1()
+        {
+            var xs = new[] { 1, 2, 3 }.ToAsyncEnumerable();
+            var res = xs.SequenceEqual(xs);
+            Assert.True(res.Result);
+        }
+
+        [Fact]
+        public void SequenceEqual2()
+        {
+            var xs = AsyncEnumerable.Empty<int>();
+            var res = xs.SequenceEqual(xs);
+            Assert.True(res.Result);
+        }
+
+        [Fact]
+        public void SequenceEqual3()
+        {
+            var xs = new[] { 1, 2, 3 }.ToAsyncEnumerable();
+            var ys = new[] { 1, 3, 2 }.ToAsyncEnumerable();
+            var res = xs.SequenceEqual(ys);
+            Assert.False(res.Result);
+        }
+
+        [Fact]
+        public void SequenceEqual4()
+        {
+            var xs = new[] { 1, 2, 3, 4 }.ToAsyncEnumerable();
+            var ys = new[] { 1, 2, 3 }.ToAsyncEnumerable();
+            var res = xs.SequenceEqual(ys);
+            Assert.False(res.Result);
+        }
+
+        [Fact]
+        public void SequenceEqual5()
+        {
+            var xs = new[] { 1, 2, 3 }.ToAsyncEnumerable();
+            var ys = new[] { 1, 2, 3, 4 }.ToAsyncEnumerable();
+            var res = xs.SequenceEqual(ys);
+            Assert.False(res.Result);
+        }
+
+        [Fact]
+        public void SequenceEqual6()
+        {
+            var ex = new Exception("Bang!");
+            var xs = new[] { 1, 2, 3, 4 }.ToAsyncEnumerable();
+            var ys = AsyncEnumerable.Throw<int>(ex);
+            var res = xs.SequenceEqual(ys);
+
+            AssertThrows<Exception>(() => res.Wait(WaitTimeoutMs), ex_ => ((AggregateException)ex_).Flatten().InnerExceptions.Single() == ex);
+        }
+
+        [Fact]
+        public void SequenceEqual7()
+        {
+            var ex = new Exception("Bang!");
+            var xs = AsyncEnumerable.Throw<int>(ex);
+            var ys = new[] { 1, 2, 3, 4 }.ToAsyncEnumerable();
+            var res = xs.SequenceEqual(ys);
+
+            AssertThrows<Exception>(() => res.Wait(WaitTimeoutMs), ex_ => ((AggregateException)ex_).Flatten().InnerExceptions.Single() == ex);
+        }
+
+        [Fact]
+        public void SequenceEqual8()
+        {
+            var xs = new[] { 1, 2, 3 }.ToAsyncEnumerable();
+            var res = xs.SequenceEqual(xs, new Eq());
+            Assert.True(res.Result);
+        }
+
+        [Fact]
+        public void SequenceEqual9()
+        {
+            var xs = AsyncEnumerable.Empty<int>();
+            var res = xs.SequenceEqual(xs, new Eq());
+            Assert.True(res.Result);
+        }
+
+        [Fact]
+        public void SequenceEqual10()
+        {
+            var xs = new[] { 1, 2, 3 }.ToAsyncEnumerable();
+            var ys = new[] { 1, 3, 2 }.ToAsyncEnumerable();
+            var res = xs.SequenceEqual(ys, new Eq());
+            Assert.False(res.Result);
+        }
+
+        [Fact]
+        public void SequenceEqual11()
+        {
+            var xs = new[] { 1, 2, 3, 4 }.ToAsyncEnumerable();
+            var ys = new[] { 1, 2, 3 }.ToAsyncEnumerable();
+            var res = xs.SequenceEqual(ys, new Eq());
+            Assert.False(res.Result);
+        }
+
+        [Fact]
+        public void SequenceEqual12()
+        {
+            var xs = new[] { 1, 2, 3 }.ToAsyncEnumerable();
+            var ys = new[] { 1, 2, 3, 4 }.ToAsyncEnumerable();
+            var res = xs.SequenceEqual(ys, new Eq());
+            Assert.False(res.Result);
+        }
+
+        [Fact]
+        public void SequenceEqual13()
+        {
+            var ex = new Exception("Bang!");
+            var xs = new[] { 1, 2, 3, 4 }.ToAsyncEnumerable();
+            var ys = AsyncEnumerable.Throw<int>(ex);
+            var res = xs.SequenceEqual(ys, new Eq());
+
+            AssertThrows<Exception>(() => res.Wait(WaitTimeoutMs), ex_ => ((AggregateException)ex_).Flatten().InnerExceptions.Single() == ex);
+        }
+
+        [Fact]
+        public void SequenceEqual14()
+        {
+            var ex = new Exception("Bang!");
+            var xs = AsyncEnumerable.Throw<int>(ex);
+            var ys = new[] { 1, 2, 3, 4 }.ToAsyncEnumerable();
+            var res = xs.SequenceEqual(ys, new Eq());
+
+            AssertThrows<Exception>(() => res.Wait(WaitTimeoutMs), ex_ => ((AggregateException)ex_).Flatten().InnerExceptions.Single() == ex);
+        }
+
+        [Fact]
+        public void SequenceEqual15()
+        {
+            var xs = new[] { 1, 2, -3, 4 }.ToAsyncEnumerable();
+            var ys = new[] { 1, -2, 3, 4 }.ToAsyncEnumerable();
+            var res = xs.SequenceEqual(ys, new Eq());
+            Assert.True(res.Result);
+        }
+
+        [Fact]
+        public void SequenceEqual16()
+        {
+            var xs = new[] { 1, 2, -3, 4 }.ToAsyncEnumerable();
+            var ys = new[] { 1, -2, 3, 4 }.ToAsyncEnumerable();
+            var res = xs.SequenceEqual(ys, new EqEx());
+            AssertThrows<Exception>(() => res.Wait(WaitTimeoutMs), ex_ => ((AggregateException)ex_).Flatten().InnerExceptions.Single() is NotImplementedException);
+        }
+
+        private sealed class EqEx : IEqualityComparer<int>
+        {
+            public bool Equals(int x, int y)
+            {
+                throw new NotImplementedException();
+            }
+
+            public int GetHashCode(int obj)
+            {
+                throw new NotImplementedException();
+            }
+        }
+
+        private sealed class Eq : IEqualityComparer<int>
+        {
+            public bool Equals(int x, int y)
+            {
+                return EqualityComparer<int>.Default.Equals(Math.Abs(x), Math.Abs(y));
+            }
+
+            public int GetHashCode(int obj)
+            {
+                return EqualityComparer<int>.Default.GetHashCode(Math.Abs(obj));
+            }
+        }
+    }
+}