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#if NET_4_0
// CountdownEventTests.cs
//
// Copyright (c) 2008 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 NUnit.Framework;
namespace ParallelFxTests
{
[TestFixtureAttribute]
public class CountdownEventTests
{
CountdownEvent evt;
[SetUpAttribute]
public void Setup()
{
evt = new CountdownEvent(5);
}
[Test]
public void InitialTestCase()
{
Assert.AreEqual(5, evt.InitialCount, "#1");
evt.AddCount();
evt.Signal(3);
Assert.AreEqual(5, evt.InitialCount, "#2");
}
[Test]
public void CurrentCountTestCase()
{
Assert.AreEqual(5, evt.CurrentCount, "#1");
evt.AddCount();
Assert.AreEqual(6, evt.CurrentCount, "#2");
evt.TryAddCount(2);
Assert.AreEqual(8, evt.CurrentCount, "#3");
evt.Signal(4);
Assert.AreEqual(4, evt.CurrentCount, "#4");
evt.Reset();
Assert.AreEqual(5, evt.CurrentCount, "#5");
}
[Test]
public void IsSetTestCase()
{
Assert.IsFalse(evt.IsSet, "#1");
evt.Signal(5);
Assert.IsTrue(evt.IsSet, "#2");
evt.Reset();
Assert.IsFalse(evt.IsSet, "#3");
}
[Test]
public void TryAddCountTestCase()
{
Assert.IsTrue(evt.TryAddCount(2), "#1");
evt.Signal(7);
Assert.IsFalse(evt.TryAddCount(), "#2");
}
[Test]
public void WaitTestCase()
{
int count = 0;
bool s = false;
ParallelTestHelper.ParallelStressTest(evt, delegate (CountdownEvent e) {
if (Interlocked.Increment(ref count) % 2 == 0) {
Thread.Sleep(100);
while(!e.IsSet)
e.Signal();
} else {
e.Wait();
s = true;
}
});
Assert.IsTrue(s, "#1");
Assert.IsTrue(evt.IsSet, "#2");
}
[Test]
public void AddCountSignalStressTestCase()
{
int count = 0;
ParallelTestHelper.ParallelStressTest(evt, delegate (CountdownEvent e) {
int num = Interlocked.Increment(ref count);
if (num % 2 == 0)
e.AddCount();
else
e.Signal();
}, 7);
Assert.AreEqual(4, evt.CurrentCount, "#1");
Assert.IsFalse(evt.IsSet, "#2");
}
}
}
#endif
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