public void CloudFileShareDeleteIfExistsAPM() { CloudFileShare share = GetRandomShareReference(); using (AutoResetEvent waitHandle = new AutoResetEvent(false)) { IAsyncResult result = share.BeginDeleteIfExists( ar => waitHandle.Set(), null); waitHandle.WaitOne(); Assert.IsFalse(share.EndDeleteIfExists(result)); result = share.BeginCreate( ar => waitHandle.Set(), null); waitHandle.WaitOne(); share.EndCreate(result); result = share.BeginDeleteIfExists( ar => waitHandle.Set(), null); waitHandle.WaitOne(); Assert.IsTrue(share.EndDeleteIfExists(result)); result = share.BeginDeleteIfExists( ar => waitHandle.Set(), null); waitHandle.WaitOne(); Assert.IsFalse(share.EndDeleteIfExists(result)); } }