public void Set_BeforeWaitingThreads_AllowsWaitingThreadsToContinueStraightAway()
{
var resetEvent = new CU.AutoResetEventAsync();
resetEvent.Set();
resetEvent.Set();
object lockObject = new object();
int runCount = 0;
Task.Run(async() =>
{
await resetEvent.WaitOneAsync();
lock (lockObject)
{
runCount += 1;
}
});
Task.Run(async() =>
{
await resetEvent.WaitOneAsync();
lock (lockObject)
{
runCount += 1;
}
});
Task.Run(async() =>
{
await resetEvent.WaitOneAsync();
lock (lockObject)
{
runCount += 1;
}
});
// Sleep to allow other tasks to run
Thread.Sleep(100);
// we've only called Set twice, so only two tasks should have run.
Assert.AreEqual(2, runCount);
}
public void Set_AllowsWaitingThreadToContinue()
{
var resetEvent = new CU.AutoResetEventAsync();
bool taskCompleted = false;
Task.Run(async() =>
{
await resetEvent.WaitOneAsync();
taskCompleted = true;
});
// Sleep to allow other task to run
Thread.Sleep(100);
Assert.IsFalse(taskCompleted);
resetEvent.Set();
// Sleep to allow other task to run
Thread.Sleep(50);
Assert.IsTrue(taskCompleted);
}
public void Set_AllowsOneThreadToContinueOnly()
{
var resetEvent = new CU.AutoResetEventAsync();
object lockObject = new object();
int runCount = 0;
Task.Run(async() =>
{
await resetEvent.WaitOneAsync();
lock (lockObject)
{
runCount += 1;
}
});
Task.Run(async() =>
{
await resetEvent.WaitOneAsync();
lock (lockObject)
{
runCount += 1;
}
});
// Sleep to allow other tasks to run
Thread.Sleep(100);
Assert.AreEqual(0, runCount);
resetEvent.Set();
// Sleep to allow other tasks to run
Thread.Sleep(100);
// We've only called set once, so only one task should have run.
Assert.AreEqual(1, runCount);
}