public void TestNoBlock()
{
BlockingThreadPool threadPool = new BlockingThreadPool(2, 2);
MessageLog log = new MessageLog();
for (int i = 0; i < TestIterationsCount; i++)
{
log.Clear();
Assert.That(threadPool.Execute(() =>
{
log.Log("task 1: started"); // T = 0
Thread.Sleep(200);
log.Log("task 1: finished"); // T = 200
}, 100), Is.True);
Thread.Sleep(50); // T = 50
Assert.That(threadPool.Execute(() =>
{
log.Log("task 2: started"); // T = 50
Thread.Sleep(200);
log.Log("task 2: finished"); // T = 250
}, 100), Is.True);
Thread.Sleep(50);
log.Log("main: wait started"); // T = 100
Thread.Sleep(200);
log.Log("main: wait finished"); // T = 300
Assert.That(log.GetLog(), Is.EqualTo(new string[]
{
"task 1: started",
"task 2: started",
"main: wait started",
"task 1: finished",
"task 2: finished",
"main: wait finished"
}));
}
Assert.That(threadPool.Stop(1000), Is.True);
}
public void TestSmoke()
{
MessageLog log = new MessageLog();
ActionPerformer performer = new ActionPerformer(log);
EventManager eventManager = new EventManager();
const string eventType1 = "ET1";
const string eventType2 = "ET2";
eventManager.Watch(eventType1, performer.Action1);
eventManager.Watch(eventType2, performer.Action2);
eventManager.Start();
log.Log($"Fired {eventType1} event.");
eventManager.Notify(eventType1);
Thread.Sleep(200);
log.Log($"Fired {eventType2} event.");
eventManager.Notify(eventType2);
Thread.Sleep(200);
Assert.That(log.GetLog(), Is.EqualTo(new string[]
{
$"Fired {eventType1} event.",
$"Action1 invoked.",
$"Fired {eventType2} event.",
$"Action2 invoked."
}));
// testing that attempt to remove non-existent event listeners does not affect existing watchers
eventManager.Unwatch(eventType1, performer.Action2);
eventManager.Unwatch(eventType2, performer.Action1);
log.Clear();
log.Log("Attempted to remove non-existent event listeners.");
log.Log($"Fired {eventType1} event.");
eventManager.Notify(eventType1);
Thread.Sleep(200);
log.Log($"Fired {eventType2} event.");
eventManager.Notify(eventType2);
Thread.Sleep(200);
Assert.That(log.GetLog(), Is.EqualTo(new string[]
{
$"Attempted to remove non-existent event listeners.",
$"Fired {eventType1} event.",
$"Action1 invoked.",
$"Fired {eventType2} event.",
$"Action2 invoked."
}));
eventManager.Unwatch(eventType1, performer.Action1);
log.Clear();
log.Log($"Removed event-listener for {eventType1}.");
log.Log($"Fired {eventType1} event.");
eventManager.Notify(eventType1);
log.Log($"Fired {eventType2} event.");
eventManager.Notify(eventType2);
Thread.Sleep(200);
Assert.That(log.GetLog(), Is.EqualTo(new string[]
{
$"Removed event-listener for {eventType1}.",
$"Fired {eventType1} event.",
$"Fired {eventType2} event.",
$"Action2 invoked."
}));
}
public void TestStopBusy()
{
MessageLog log = new MessageLog();
for (int i = 0; i < TestIterationsCount; i++)
{
BlockingThreadPool threadPool = new BlockingThreadPool(3, 3);
log.Clear();
threadPool.Execute(() =>
{
log.Log("task 1: started"); // T = 0
try
{
// finally block is required to ignore Thread.Interrupt and Thread.Abort
}
finally
{
Thread.Sleep(200);
}
log.Log("task 1: finished"); // T = 200
}, 100);
Thread.Sleep(50); // T = 50
threadPool.Execute(() =>
{
log.Log("task 2: started"); // T = 50
try
{
// finally block is required to ignore Thread.Interrupt and Thread.Abort
}
finally
{
Thread.Sleep(250);
}
log.Log("task 2: finished"); // T = 300
}, 100);
Thread.Sleep(50); // T = 50
threadPool.Execute(() =>
{
log.Log("task 3: started"); // T = 100
log.Log($"task 4 queued: {threadPool.Execute(() => { }, 300)}"); // T = 150
log.Log("task 3: finished"); // T = 150
}, 100);
Thread.Sleep(50); // T = 150
Stopwatch sw = Stopwatch.StartNew();
Assert.That(threadPool.Stop(100), Is.False); // T = 250
Assert.That(sw.ElapsedMilliseconds, Is.GreaterThan(75).And.LessThan(125));
sw.Restart();
Assert.That(threadPool.Execute(() => { }, 100), Is.False);
Assert.That(sw.ElapsedMilliseconds, Is.LessThan(25));
sw.Restart();
Assert.That(threadPool.Stop(100), Is.True); // T = 300
Assert.That(sw.ElapsedMilliseconds, Is.GreaterThan(25).And.LessThan(75));
//check that Stop does not fail on a stopped pool
sw.Restart();
Assert.That(threadPool.Stop(100), Is.True); // T = 300
Assert.That(sw.ElapsedMilliseconds, Is.LessThan(25));
Assert.That(log.GetLog(), Is.EqualTo(new string[]
{
"task 1: started",
"task 2: started",
"task 3: started",
"task 4 queued: False",
"task 3: finished",
"task 1: finished",
"task 2: finished"
}));
}
}