public void CanBeUsedWithTheUsingCSharpIdiomToAcquireAnIsync()
{
Assert.Throws <ThreadStateException>(
delegate
{
using (new SyncHolder(sync))
{
throw new ThreadStateException();
}
});
sync.AssertWasCalled(s => s.Acquire());
sync.AssertWasCalled(s => s.Release());
}