public void TestRapidAddRemoveIterateAcrossThreads()
{
// Start with a bunch of behaviors already collected, to work with.
for (int i = 0; i < 100; i++)
{
behaviorManager.Add(new SimpleTestBehavior());
}
// Prepare stress threads to determine if BehaviorManager is safe from simultaneous add/remove/iterate attempts.
DateTime endTime = DateTime.Now.AddMilliseconds(100);
Action addAction = () => behaviorManager.Add(new SimpleTestBehavior());
Action removeAction = () =>
{
var toRemove = behaviorManager.FindFirst <SimpleTestBehavior>();
if (toRemove != null)
{
behaviorManager.Remove(toRemove);
}
};
Action iterateAction = () =>
{
foreach (var behavior in behaviorManager.AllBehaviors)
{
// Do nothing; just iterate.
}
};
Action typedAction = () =>
{
foreach (var behavior in behaviorManager.OfType <SimpleTestBehavior>())
{
// Do nothing; just iterate.
}
};
var addThread = new BackgroundStressTestThread(endTime, addAction);
var removeThread = new BackgroundStressTestThread(endTime, removeAction);
var iterateThread = new BackgroundStressTestThread(endTime, iterateAction);
var typedThread = new BackgroundStressTestThread(endTime, typedAction);
addThread.Join();
removeThread.Join();
iterateThread.Join();
typedThread.Join();
Assert.IsNull(addThread.Exception, "Add: " + addThread.ExceptionTestMessage);
Assert.IsNull(removeThread.Exception, "Remove: " + removeThread.ExceptionTestMessage);
Assert.IsNull(iterateThread.Exception, "Iterate: " + iterateThread.ExceptionTestMessage);
Assert.IsNull(typedThread.Exception, "OfType: " + typedThread.ExceptionTestMessage);
}