public void SimpleCountDown()
{
var cdl = new CountDownLatch(3);
cdl.CountDown();
Assert.AreEqual(2, cdl.Count);
cdl.CountDown();
Assert.AreEqual(1, cdl.Count);
cdl.CountDown();
Assert.AreEqual(0, cdl.Count);
cdl.CountDown();
Assert.AreEqual(0, cdl.Count);
}
public void WaitingTask1()
{
var cdl = new CountDownLatch(1);
var task = new Task(cdl);
var runner = new Thread(task.DoSomething);
runner.Start();
Thread.Sleep(600);
cdl.CountDown();
runner.Join();
Assert.IsTrue(task.Elapsed >= 500, "The task should cost more than 500 millis");
Assert.IsTrue(task.Elapsed <= 700, "The task should cost less than 700 millis");
}
public void WaitingTask2()
{
CountDownLatch cdl = new CountDownLatch(2);
Task task = new Task(cdl);
Thread runner = new Thread(task.DoSomething);
runner.Start();
Thread.Sleep(600);
cdl.CountDown();
Thread.Sleep(600);
cdl.CountDown();
runner.Join();
Assert.IsTrue(task.Elapsed >= 1100,"The task should cost more than 1100 millis");
Assert.IsTrue(task.Elapsed <= 1300, "The task should cost less than 1300 millis");
}
