public void Dispose_FaultsAwaiters()
{
var lck = new Lock();
using (var cts = new CancellationTokenSource())
{
var awaiters = new[]
{
TaskAssert.Detach(lck.WaitAsync),
TaskAssert.Detach(() => lck.WaitAsync(cts.Token)),
TaskAssert.Detach(lck.WaitAsync),
TaskAssert.Detach(lck.WaitAsync)
};
cts.Cancel();
lck.Dispose();
using (TaskAssert.Completed(awaiters[0])) { }
TaskAssert.Cancelled(awaiters[1]);
foreach (var awaiter in awaiters.Skip(2))
{
TaskAssert.Faulted <ObjectDisposedException>(awaiter);
}
}
}
public void WaitAsync_Acquired_WaitsForTurn()
{
using (var lck = new Lock())
{
var t1 = TaskAssert.Detach(lck.WaitAsync);
var t2 = TaskAssert.Detach(lck.WaitAsync);
using (TaskAssert.Completed(t1))
{
TaskAssert.DoesNotEnd(t2);
}
using (TaskAssert.Completed(t2)) { }
}
}
public void WaitAsync_Acquired_Reenters()
{
using (var lck = new Lock())
{
var h1 = TaskAssert.Completed(lck.WaitAsync());
var t1 = TaskAssert.Detach(lck.WaitAsync);
var h2 = TaskAssert.Completed(lck.WaitAsync());
TaskAssert.DoesNotEnd(t1);
h1.Dispose();
TaskAssert.DoesNotEnd(t1);
h2.Dispose();
using (TaskAssert.Completed(t1)) { }
}
}
public void WaitAsync_Acquired_CanCedeTurn()
{
using (var cts = new CancellationTokenSource())
using (var lck = new Lock())
{
var t1 = TaskAssert.Detach(lck.WaitAsync);
var t2 = TaskAssert.Detach(() => lck.WaitAsync(cts.Token));
var t3 = TaskAssert.Detach(lck.WaitAsync);
TaskAssert.DoesNotEnd(t2);
TaskAssert.DoesNotEnd(t3);
cts.Cancel();
TaskAssert.Cancelled(t2);
TaskAssert.DoesNotEnd(t3);
using (TaskAssert.Completed(t1)) { }
using (TaskAssert.Completed(t3)) { }
}
}
