public void AddCount_IncrementsCount()
{
var ce = new AsyncCountdownEvent(1);
var task = ce.WaitAsync();
Assert.AreEqual(1, ce.CurrentCount);
Assert.IsFalse(task.IsCompleted);
ce.AddCount();
Assert.AreEqual(2, ce.CurrentCount);
Assert.IsFalse(task.IsCompleted);
ce.Signal();
Assert.AreEqual(1, ce.CurrentCount);
Assert.IsFalse(task.IsCompleted);
ce.Signal();
Assert.AreEqual(0, ce.CurrentCount);
Assert.IsTrue(task.IsCompleted);
}
public void AddCount_Overflow_ThrowsException()
{
var ce = new AsyncCountdownEvent(int.MaxValue);
AssertEx.ThrowsException<InvalidOperationException>(() => ce.AddCount());
}
public void AddCount_AfterSet_ThrowsException()
{
var ce = new AsyncCountdownEvent(1);
ce.Signal();
AssertEx.ThrowsException<InvalidOperationException>(() => ce.AddCount());
}