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- // 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.Text;
- using System.Threading.Tasks;
- using System.Reactive;
- using System.Reactive.Concurrency;
- using System.Reactive.Linq;
- using Microsoft.Reactive.Testing;
- using Xunit;
- using ReactiveTests.Dummies;
- using System.Reflection;
- using System.Threading;
- using System.Reactive.Disposables;
- using System.Reactive.Subjects;
- using System.Runtime.CompilerServices;
- namespace ReactiveTests.Tests
- {
- public class GenerateTest : ReactiveTest
- {
- #region + Non-timed +
- [Fact]
- public void Generate_ArgumentChecking()
- {
- ReactiveAssert.Throws<ArgumentNullException>(() => Observable.Generate(0, DummyFunc<int, bool>.Instance, DummyFunc<int, int>.Instance, DummyFunc<int, int>.Instance, (IScheduler)null));
- ReactiveAssert.Throws<ArgumentNullException>(() => Observable.Generate(0, (Func<int, bool>)null, DummyFunc<int, int>.Instance, DummyFunc<int, int>.Instance, DummyScheduler.Instance));
- ReactiveAssert.Throws<ArgumentNullException>(() => Observable.Generate(0, DummyFunc<int, bool>.Instance, DummyFunc<int, int>.Instance, (Func<int, int>)null, DummyScheduler.Instance));
- ReactiveAssert.Throws<ArgumentNullException>(() => Observable.Generate(0, DummyFunc<int, bool>.Instance, (Func<int, int>)null, DummyFunc<int, int>.Instance, DummyScheduler.Instance));
- ReactiveAssert.Throws<ArgumentNullException>(() => Observable.Generate(0, DummyFunc<int, bool>.Instance, DummyFunc<int, int>.Instance, DummyFunc<int, int>.Instance, DummyScheduler.Instance).Subscribe(null));
- }
- [Fact]
- public void Generate_Finite()
- {
- var scheduler = new TestScheduler();
- var res = scheduler.Start(() =>
- Observable.Generate(0, x => x <= 3, x => x + 1, x => x, scheduler)
- );
- res.Messages.AssertEqual(
- OnNext(201, 0),
- OnNext(202, 1),
- OnNext(203, 2),
- OnNext(204, 3),
- OnCompleted<int>(205)
- );
- }
- [Fact]
- public void Generate_Throw_Condition()
- {
- var scheduler = new TestScheduler();
- var ex = new Exception();
- var res = scheduler.Start(() =>
- Observable.Generate(0, new Func<int, bool>(x => { throw ex; }), x => x + 1, x => x, scheduler)
- );
- res.Messages.AssertEqual(
- OnError<int>(201, ex)
- );
- }
- [Fact]
- public void Generate_Throw_ResultSelector()
- {
- var scheduler = new TestScheduler();
- var ex = new Exception();
- var res = scheduler.Start(() =>
- Observable.Generate(0, x => true, x => x + 1, new Func<int, int>(x => { throw ex; }), scheduler)
- );
- res.Messages.AssertEqual(
- OnError<int>(201, ex)
- );
- }
- [Fact]
- public void Generate_Throw_Iterate()
- {
- var scheduler = new TestScheduler();
- var ex = new Exception();
- var res = scheduler.Start(() =>
- Observable.Generate(0, x => true, new Func<int, int>(x => { throw ex; }), x => x, scheduler)
- );
- res.Messages.AssertEqual(
- OnNext(201, 0),
- OnError<int>(202, ex)
- );
- }
- [Fact]
- public void Generate_Dispose()
- {
- var scheduler = new TestScheduler();
- var res = scheduler.Start(() =>
- Observable.Generate(0, x => true, x => x + 1, x => x, scheduler),
- 203
- );
- res.Messages.AssertEqual(
- OnNext(201, 0),
- OnNext(202, 1)
- );
- }
- [Fact]
- public void Generate_DefaultScheduler_ArgumentChecking()
- {
- ReactiveAssert.Throws<ArgumentNullException>(() => Observable.Generate(0, (Func<int, bool>)null, DummyFunc<int, int>.Instance, DummyFunc<int, int>.Instance));
- ReactiveAssert.Throws<ArgumentNullException>(() => Observable.Generate(0, DummyFunc<int, bool>.Instance, DummyFunc<int, int>.Instance, (Func<int, int>)null));
- ReactiveAssert.Throws<ArgumentNullException>(() => Observable.Generate(0, DummyFunc<int, bool>.Instance, (Func<int, int>)null, DummyFunc<int, int>.Instance));
- ReactiveAssert.Throws<ArgumentNullException>(() => Observable.Generate(0, DummyFunc<int, bool>.Instance, DummyFunc<int, int>.Instance, DummyFunc<int, int>.Instance).Subscribe(null));
- }
- [Fact]
- public void Generate_DefaultScheduler()
- {
- Observable.Generate(0, x => x < 10, x => x + 1, x => x).AssertEqual(Observable.Generate(0, x => x < 10, x => x + 1, x => x, DefaultScheduler.Instance));
- }
- #if !NO_PERF
- [Fact]
- public void Generate_LongRunning1()
- {
- var start = default(ManualResetEvent);
- var end = default(ManualResetEvent);
- var s = new TestLongRunningScheduler(x => start = x, x => end = x);
- var xs = Observable.Generate(0, x => x < 100, x => x + 1, x => x, s);
- var lst = new List<int>();
- var done = false;
- xs.Subscribe(x => { lst.Add(x); }, () => done = true);
- end.WaitOne();
- Assert.True(lst.SequenceEqual(Enumerable.Range(0, 100)));
- Assert.True(done);
- }
- [Fact]
- [MethodImpl(MethodImplOptions.NoOptimization)]
- public void Generate_LongRunning2()
- {
- var start = default(ManualResetEvent);
- var end = default(ManualResetEvent);
- var s = new TestLongRunningScheduler(x => start = x, x => end = x);
- var xs = Observable.Generate(0, _ => true, x => x + 1, x => x, s);
- var lst = new List<int>();
- var d = xs.Subscribe(x => { lst.Add(x); });
- start.WaitOne();
- while (lst.Count < 100)
- ;
- d.Dispose();
- end.WaitOne();
- Assert.True(lst.Take(100).SequenceEqual(Enumerable.Range(0, 100)));
- }
- [Fact]
- public void Generate_LongRunning_Throw()
- {
- var start = default(ManualResetEvent);
- var end = default(ManualResetEvent);
- var s = new TestLongRunningScheduler(x => start = x, x => end = x);
- var ex = new Exception();
- var xs = Observable.Generate(0, x => { if (x < 100) return true; throw ex; }, x => x + 1, x => x, s);
- var lst = new List<int>();
- var e = default(Exception);
- var done = false;
- xs.Subscribe(x => { lst.Add(x); }, e_ => e = e_, () => done = true);
- end.WaitOne();
- Assert.True(lst.SequenceEqual(Enumerable.Range(0, 100)));
- Assert.Same(ex, e);
- Assert.False(done);
- }
- #endif
- #endregion
- #region + Timed +
- [Fact]
- public void Generate_TimeSpan_ArgumentChecking()
- {
- ReactiveAssert.Throws<ArgumentNullException>(() => Observable.Generate(0, DummyFunc<int, bool>.Instance, DummyFunc<int, int>.Instance, DummyFunc<int, int>.Instance, DummyFunc<int, TimeSpan>.Instance, (IScheduler)null));
- ReactiveAssert.Throws<ArgumentNullException>(() => Observable.Generate(0, (Func<int, bool>)null, DummyFunc<int, int>.Instance, DummyFunc<int, int>.Instance, DummyFunc<int, TimeSpan>.Instance, DummyScheduler.Instance));
- ReactiveAssert.Throws<ArgumentNullException>(() => Observable.Generate(0, DummyFunc<int, bool>.Instance, DummyFunc<int, int>.Instance, (Func<int, int>)null, DummyFunc<int, TimeSpan>.Instance, DummyScheduler.Instance));
- ReactiveAssert.Throws<ArgumentNullException>(() => Observable.Generate(0, DummyFunc<int, bool>.Instance, (Func<int, int>)null, DummyFunc<int, int>.Instance, DummyFunc<int, TimeSpan>.Instance, DummyScheduler.Instance));
- ReactiveAssert.Throws<ArgumentNullException>(() => Observable.Generate(0, DummyFunc<int, bool>.Instance, DummyFunc<int, int>.Instance, DummyFunc<int, int>.Instance, (Func<int, TimeSpan>)null, DummyScheduler.Instance));
- ReactiveAssert.Throws<ArgumentNullException>(() => Observable.Generate(0, DummyFunc<int, bool>.Instance, DummyFunc<int, int>.Instance, DummyFunc<int, int>.Instance, DummyFunc<int, TimeSpan>.Instance, DummyScheduler.Instance).Subscribe(null));
- }
- [Fact]
- public void Generate_TimeSpan_Finite()
- {
- var scheduler = new TestScheduler();
- var res = scheduler.Start(() =>
- Observable.Generate(0, x => x <= 3, x => x + 1, x => x, x => TimeSpan.FromTicks(x + 1), scheduler)
- );
- res.Messages.AssertEqual(
- OnNext(202, 0),
- OnNext(204, 1),
- OnNext(207, 2),
- OnNext(211, 3),
- OnCompleted<int>(211)
- );
- }
- [Fact]
- public void Generate_TimeSpan_Throw_Condition()
- {
- var scheduler = new TestScheduler();
- var ex = new Exception();
- var res = scheduler.Start(() =>
- Observable.Generate(0, new Func<int, bool>(x => { throw ex; }), x => x + 1, x => x, x => TimeSpan.FromTicks(x + 1), scheduler)
- );
- res.Messages.AssertEqual(
- OnError<int>(201, ex)
- );
- }
- [Fact]
- public void Generate_TimeSpan_Throw_ResultSelector()
- {
- var scheduler = new TestScheduler();
- var ex = new Exception();
- var res = scheduler.Start(() =>
- Observable.Generate(0, x => true, x => x + 1, new Func<int, int>(x => { throw ex; }), x => TimeSpan.FromTicks(x + 1), scheduler)
- );
- res.Messages.AssertEqual(
- OnError<int>(201, ex)
- );
- }
- [Fact]
- public void Generate_TimeSpan_Throw_Iterate()
- {
- var scheduler = new TestScheduler();
- var ex = new Exception();
- var res = scheduler.Start(() =>
- Observable.Generate(0, x => true, new Func<int, int>(x => { throw ex; }), x => x, x => TimeSpan.FromTicks(x + 1), scheduler)
- );
- res.Messages.AssertEqual(
- OnNext(202, 0),
- OnError<int>(202, ex)
- );
- }
- [Fact]
- public void Generate_TimeSpan_Throw_TimeSelector()
- {
- var scheduler = new TestScheduler();
- var ex = new Exception();
- var res = scheduler.Start(() =>
- Observable.Generate(0, x => true, x => x + 1, x => x, new Func<int, TimeSpan>(x => { throw ex; }), scheduler)
- );
- res.Messages.AssertEqual(
- OnError<int>(201, ex)
- );
- }
- [Fact]
- public void Generate_TimeSpan_Dispose()
- {
- var scheduler = new TestScheduler();
- var res = scheduler.Start(() =>
- Observable.Generate(0, x => true, x => x + 1, x => x, x => TimeSpan.FromTicks(x + 1), scheduler),
- 210
- );
- res.Messages.AssertEqual(
- OnNext(202, 0),
- OnNext(204, 1),
- OnNext(207, 2)
- );
- }
- [Fact]
- public void Generate_TimeSpan_DefaultScheduler_ArgumentChecking()
- {
- ReactiveAssert.Throws<ArgumentNullException>(() => Observable.Generate(0, (Func<int, bool>)null, DummyFunc<int, int>.Instance, DummyFunc<int, int>.Instance, DummyFunc<int, TimeSpan>.Instance));
- ReactiveAssert.Throws<ArgumentNullException>(() => Observable.Generate(0, DummyFunc<int, bool>.Instance, DummyFunc<int, int>.Instance, (Func<int, int>)null, DummyFunc<int, TimeSpan>.Instance));
- ReactiveAssert.Throws<ArgumentNullException>(() => Observable.Generate(0, DummyFunc<int, bool>.Instance, (Func<int, int>)null, DummyFunc<int, int>.Instance, DummyFunc<int, TimeSpan>.Instance));
- ReactiveAssert.Throws<ArgumentNullException>(() => Observable.Generate(0, DummyFunc<int, bool>.Instance, DummyFunc<int, int>.Instance, DummyFunc<int, int>.Instance, (Func<int, TimeSpan>)null));
- ReactiveAssert.Throws<ArgumentNullException>(() => Observable.Generate(0, DummyFunc<int, bool>.Instance, DummyFunc<int, int>.Instance, DummyFunc<int, int>.Instance, DummyFunc<int, TimeSpan>.Instance).Subscribe(null));
- }
- [Fact]
- public void Generate_TimeSpan_DefaultScheduler()
- {
- Observable.Generate(0, x => x < 10, x => x + 1, x => x, x => TimeSpan.FromMilliseconds(x)).AssertEqual(Observable.Generate(0, x => x < 10, x => x + 1, x => x, x => TimeSpan.FromMilliseconds(x), DefaultScheduler.Instance));
- }
- [Fact]
- public void Generate_DateTimeOffset_ArgumentChecking()
- {
- ReactiveAssert.Throws<ArgumentNullException>(() => Observable.Generate(0, DummyFunc<int, bool>.Instance, DummyFunc<int, int>.Instance, DummyFunc<int, int>.Instance, DummyFunc<int, DateTimeOffset>.Instance, (IScheduler)null));
- ReactiveAssert.Throws<ArgumentNullException>(() => Observable.Generate(0, (Func<int, bool>)null, DummyFunc<int, int>.Instance, DummyFunc<int, int>.Instance, DummyFunc<int, DateTimeOffset>.Instance, DummyScheduler.Instance));
- ReactiveAssert.Throws<ArgumentNullException>(() => Observable.Generate(0, DummyFunc<int, bool>.Instance, DummyFunc<int, int>.Instance, (Func<int, int>)null, DummyFunc<int, DateTimeOffset>.Instance, DummyScheduler.Instance));
- ReactiveAssert.Throws<ArgumentNullException>(() => Observable.Generate(0, DummyFunc<int, bool>.Instance, (Func<int, int>)null, DummyFunc<int, int>.Instance, DummyFunc<int, DateTimeOffset>.Instance, DummyScheduler.Instance));
- ReactiveAssert.Throws<ArgumentNullException>(() => Observable.Generate(0, DummyFunc<int, bool>.Instance, DummyFunc<int, int>.Instance, DummyFunc<int, int>.Instance, (Func<int, DateTimeOffset>)null, DummyScheduler.Instance));
- ReactiveAssert.Throws<ArgumentNullException>(() => Observable.Generate(0, DummyFunc<int, bool>.Instance, DummyFunc<int, int>.Instance, DummyFunc<int, int>.Instance, DummyFunc<int, DateTimeOffset>.Instance, DummyScheduler.Instance).Subscribe(null));
- }
- [Fact]
- public void Generate_DateTimeOffset_Finite()
- {
- var scheduler = new TestScheduler();
- var res = scheduler.Start(() =>
- Observable.Generate(0, x => x <= 3, x => x + 1, x => x, x => scheduler.Now.AddTicks(x + 1), scheduler)
- );
- res.Messages.AssertEqual(
- OnNext(202, 0),
- OnNext(204, 1),
- OnNext(207, 2),
- OnNext(211, 3),
- OnCompleted<int>(211)
- );
- }
- [Fact]
- public void Generate_DateTimeOffset_Throw_Condition()
- {
- var scheduler = new TestScheduler();
- var ex = new Exception();
- var res = scheduler.Start(() =>
- Observable.Generate(0, new Func<int, bool>(x => { throw ex; }), x => x + 1, x => x, x => scheduler.Now.AddTicks(x + 1), scheduler)
- );
- res.Messages.AssertEqual(
- OnError<int>(201, ex)
- );
- }
- [Fact]
- public void Generate_DateTimeOffset_Throw_ResultSelector()
- {
- var scheduler = new TestScheduler();
- var ex = new Exception();
- var res = scheduler.Start(() =>
- Observable.Generate(0, x => true, x => x + 1, new Func<int, int>(x => { throw ex; }), x => scheduler.Now.AddTicks(x + 1), scheduler)
- );
- res.Messages.AssertEqual(
- OnError<int>(201, ex)
- );
- }
- [Fact]
- public void Generate_DateTimeOffset_Throw_Iterate()
- {
- var scheduler = new TestScheduler();
- var ex = new Exception();
- var res = scheduler.Start(() =>
- Observable.Generate(0, x => true, new Func<int, int>(x => { throw ex; }), x => x, x => scheduler.Now.AddTicks(x + 1), scheduler)
- );
- res.Messages.AssertEqual(
- OnNext(202, 0),
- OnError<int>(202, ex)
- );
- }
- [Fact]
- public void Generate_DateTimeOffset_Throw_TimeSelector()
- {
- var scheduler = new TestScheduler();
- var ex = new Exception();
- var res = scheduler.Start(() =>
- Observable.Generate(0, x => true, x => x + 1, x => x, new Func<int, DateTimeOffset>(x => { throw ex; }), scheduler)
- );
- res.Messages.AssertEqual(
- OnError<int>(201, ex)
- );
- }
- [Fact]
- public void Generate_DateTimeOffset_Dispose()
- {
- var scheduler = new TestScheduler();
- var res = scheduler.Start(() =>
- Observable.Generate(0, x => true, x => x + 1, x => x, x => scheduler.Now.AddTicks(x + 1), scheduler),
- 210
- );
- res.Messages.AssertEqual(
- OnNext(202, 0),
- OnNext(204, 1),
- OnNext(207, 2)
- );
- }
- [Fact]
- public void Generate_DateTimeOffset_DefaultScheduler_ArgumentChecking()
- {
- ReactiveAssert.Throws<ArgumentNullException>(() => Observable.Generate(0, (Func<int, bool>)null, DummyFunc<int, int>.Instance, DummyFunc<int, int>.Instance, DummyFunc<int, DateTimeOffset>.Instance));
- ReactiveAssert.Throws<ArgumentNullException>(() => Observable.Generate(0, DummyFunc<int, bool>.Instance, DummyFunc<int, int>.Instance, (Func<int, int>)null, DummyFunc<int, DateTimeOffset>.Instance));
- ReactiveAssert.Throws<ArgumentNullException>(() => Observable.Generate(0, DummyFunc<int, bool>.Instance, (Func<int, int>)null, DummyFunc<int, int>.Instance, DummyFunc<int, DateTimeOffset>.Instance));
- ReactiveAssert.Throws<ArgumentNullException>(() => Observable.Generate(0, DummyFunc<int, bool>.Instance, DummyFunc<int, int>.Instance, DummyFunc<int, int>.Instance, (Func<int, DateTimeOffset>)null));
- ReactiveAssert.Throws<ArgumentNullException>(() => Observable.Generate(0, DummyFunc<int, bool>.Instance, DummyFunc<int, int>.Instance, DummyFunc<int, int>.Instance, DummyFunc<int, DateTimeOffset>.Instance).Subscribe(null));
- }
- [Fact]
- public void Generate_DateTimeOffset_DefaultScheduler()
- {
- Observable.Generate(0, x => x < 10, x => x + 1, x => x, x => DateTimeOffset.Now.AddMilliseconds(x)).AssertEqual(Observable.Generate(0, x => x < 10, x => x + 1, x => x, x => DateTimeOffset.Now.AddMilliseconds(x), DefaultScheduler.Instance));
- }
- #endregion
- }
- }
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