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#if NET_4_0
//
// TaskCompletionSourceTests.cs
//
// Author:
// Jérémie "Garuma" Laval <jeremie.laval@gmail.com>
//
// Copyright (c) 2009 Jérémie "Garuma" Laval
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
using System;
using System.Threading;
using System.Threading.Tasks;
using NUnit.Framework;
namespace ParallelFxTests
{
[TestFixture]
public class TaskCompletionSourceTests
{
TaskCompletionSource<int> completionSource;
object state;
[SetUp]
public void Setup ()
{
state = new object ();
completionSource = new TaskCompletionSource<int> (state, TaskCreationOptions.LongRunning);
}
[Test]
public void CreationCheckTest ()
{
Assert.IsNotNull (completionSource.Task, "#1");
Assert.AreEqual (TaskCreationOptions.LongRunning, completionSource.Task.CreationOptions, "#2");
}
[Test]
public void SetResultTest ()
{
Assert.IsNotNull (completionSource.Task, "#1");
Assert.IsTrue (completionSource.TrySetResult (42), "#2");
Assert.AreEqual (TaskStatus.RanToCompletion, completionSource.Task.Status, "#3");
Assert.AreEqual (42, completionSource.Task.Result, "#4");
Assert.IsFalse (completionSource.TrySetResult (43), "#5");
Assert.AreEqual (TaskStatus.RanToCompletion, completionSource.Task.Status, "#6");
Assert.AreEqual (42, completionSource.Task.Result, "#7");
Assert.IsFalse (completionSource.TrySetCanceled (), "#8");
Assert.AreEqual (TaskStatus.RanToCompletion, completionSource.Task.Status, "#9");
}
[Test]
public void SetCanceledTest ()
{
Assert.IsNotNull (completionSource.Task, "#1");
Assert.IsTrue (completionSource.TrySetCanceled (), "#2");
Assert.AreEqual (TaskStatus.Canceled, completionSource.Task.Status, "#3");
Assert.IsFalse (completionSource.TrySetResult (42), "#4");
Assert.AreEqual (TaskStatus.Canceled, completionSource.Task.Status, "#5");
}
[Test]
public void SetExceptionTest ()
{
Exception e = new Exception ("foo");
Assert.IsNotNull (completionSource.Task, "#1");
Assert.IsTrue (completionSource.TrySetException (e), "#2");
Assert.AreEqual (TaskStatus.Faulted, completionSource.Task.Status, "#3");
Assert.AreEqual (e, completionSource.Task.Exception, "#4");
Assert.IsFalse (completionSource.TrySetResult (42), "#5");
Assert.AreEqual (TaskStatus.Faulted, completionSource.Task.Status, "#6");
Assert.AreEqual (e, completionSource.Task.Exception, "#7");
Assert.IsFalse (completionSource.TrySetCanceled (), "#8");
Assert.AreEqual (TaskStatus.Faulted, completionSource.Task.Status, "#9");
}
[Test, ExpectedException (typeof (InvalidOperationException))]
public void SetResultExceptionTest ()
{
Assert.IsNotNull (completionSource.Task, "#1");
Assert.IsTrue (completionSource.TrySetResult (42), "#2");
Assert.AreEqual (TaskStatus.RanToCompletion, completionSource.Task.Status, "#3");
Assert.AreEqual (42, completionSource.Task.Result, "#4");
completionSource.SetResult (43);
}
}
}
#endif
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