public void ClearTest()
{
var sequence = 0;
var blocker = new ManualResetEvent(false);
var worker = new WorkerQueue();
worker.Queue(() => { Assert.AreEqual(0, sequence); blocker.WaitOne(); worker.Clear(); ++sequence; });
worker.Queue(() => { Assert.AreEqual(1, sequence); ++sequence; });
worker.Queue(() => { Assert.AreEqual(2, sequence); ++sequence; });
worker.Queue(() => { Assert.AreEqual(3, sequence); ++sequence; });
worker.Queue(() => { Assert.AreEqual(4, sequence); ++sequence; });
worker.Queue(() => { Assert.AreEqual(5, sequence); ++sequence; });
blocker.Set();
Thread.Sleep(50);
Assert.AreEqual(1, sequence);
}