public void CreateThreadsTest()
{
var target = CreateFixedThreadPool(4, false);
var heavyTask = new TaskMock(Wait);
Assert.AreEqual(true, target.Execute(heavyTask, Priority.High));
Assert.AreEqual(true, target.Execute(heavyTask, Priority.High));
Assert.AreEqual(true, target.Execute(heavyTask, Priority.High));
Wait();
Assert.AreEqual(1, target.DeferedThreadCount);
target.Stop();
AssertIsProperlyStopped(target);
}
public void StopTest_MultiplyWaiters()
{
var target = CreateFixedThreadPool(2, false);
var heavyTask = new TaskMock(Wait);
Assert.AreEqual(true, target.Execute(heavyTask, Priority.High));
Assert.AreEqual(true, target.Execute(heavyTask, Priority.Medium));
Assert.AreEqual(true, target.Execute(heavyTask, Priority.Low));
Assert.AreEqual(true, target.Execute(heavyTask, Priority.Low));
Exception deferedException = null;
var waitersCounter = new CountdownEvent(4);
for (var i = 0; i < 4; i++)
{
new Thread(() =>
{
target.Stop();
try
{ // each thread should see properly stopped pool.
AssertIsProperlyStopped(target);
}
catch (Exception e)
{
deferedException = e;
}
waitersCounter.Signal();
}).Start();
}
target.Stop();
AssertIsProperlyStopped(target);
waitersCounter.Wait(); // if thread pool works properly, will never blocked here
if (deferedException != null)
{
throw deferedException;
}
}
public void ReuseThreadsTest()
{
var target = CreateFixedThreadPool(5, false);
var heavyTask = new TaskMock(Wait);
Assert.AreEqual(true, target.Execute(heavyTask, Priority.High));
Assert.AreEqual(true, target.Execute(heavyTask, Priority.High));
Assert.AreEqual(true, target.Execute(heavyTask, Priority.High));
Wait();
Assert.AreEqual(2, target.DeferedThreadCount);
Wait(); // Allowing threads to finish.
// Now will attemp to reuse it and create one new
Assert.AreEqual(true, target.Execute(heavyTask, Priority.High));
Assert.AreEqual(true, target.Execute(heavyTask, Priority.High));
Assert.AreEqual(true, target.Execute(heavyTask, Priority.High));
Assert.AreEqual(true, target.Execute(heavyTask, Priority.High));
Wait();
Assert.AreEqual(1, target.DeferedThreadCount);
target.Stop();
AssertIsProperlyStopped(target);
}