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#if NET_4_0
//
// ThreadLazyTests.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 NUnit;
using NUnit.Core;
using NUnit.Framework;
namespace ParallelFxTests
{
[TestFixtureAttribute]
public class ThreadLazyTests
{
ThreadLocal<int> threadLocal;
int nTimes;
[SetUp]
public void Setup ()
{
nTimes = 0;
threadLocal = new ThreadLocal<int> (() => { Interlocked.Increment (ref nTimes); return 42; });
}
[Test]
public void SingleThreadTest ()
{
AssertThreadLocal ();
}
[Test]
public void ThreadedTest ()
{
AssertThreadLocal ();
Thread t = new Thread ((object o) => { Interlocked.Decrement (ref nTimes); AssertThreadLocal (); });
t.Start ();
t.Join ();
}
void AssertThreadLocal ()
{
Assert.IsFalse (threadLocal.IsValueCreated, "#1");
Assert.AreEqual (42, threadLocal.Value, "#2");
Assert.IsTrue (threadLocal.IsValueCreated, "#3");
Assert.AreEqual (42, threadLocal.Value, "#4");
Assert.AreEqual (1, nTimes, "#5");
}
}
}
#endif
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