AutoResetEventTests

AutoResetEventTests.cs

using System.Threading;
using System;
using NUnit.Framework;

namespace MonoTests.System.Threading
{
	[TestFixture]
	class AutoResetEventTests
	{
		[Test]
		public static void SetReset()
		{
			var ev1 = new AutoResetEvent (false);
			var ev2 = new AutoResetEvent (false);

			var i = 0;
			const int repeatCount = 20;

			var threadStart = new ThreadStart (() => {

				ev1.Set ();
				ev1.Reset ();

				ev2.Set ();

				int waitResult = WaitHandle.WaitAny (new [] { ev1 },
					TimeSpan.FromSeconds (10));

				if (waitResult != WaitHandle.WaitTimeout)
					Interlocked.Increment (ref i);
			});

			for (var r = 0; r < repeatCount; r++) {
				new Thread (threadStart).Start ();
				ev2.WaitOne (2000, false);
			}

#if NET_4_0
			Assert.AreEqual (repeatCount-1, i);
#else
			Assert.AreEqual (0, i);
#endif
		}
	}
}