public void CompletedSynchronouslyPropertySetToFalse()
{
// Arrange
ManualAsyncResult asyncResult = new ManualAsyncResult();
// Act
asyncResult.MarkCompleted(false /* completedSynchronously */, null);
// Assert
Assert.IsFalse(asyncResult.CompletedSynchronously);
}
public void WaitHandlePropertyIsLazilySetOnCompletion()
{
// Arrange
ManualAsyncResult asyncResult = new ManualAsyncResult();
asyncResult.MarkCompleted(false, null);
// Act
bool wasSet = asyncResult.AsyncWaitHandle.WaitOne(0, false /* exitContext */);
// Assert
Assert.IsTrue(wasSet);
}
public void IsCompletedProperty()
{
// Arrange
ManualAsyncResult asyncResult = new ManualAsyncResult();
// Act
bool isCompletedBefore = asyncResult.IsCompleted;
asyncResult.MarkCompleted(false, null);
bool isCompletedAfter = asyncResult.IsCompleted;
// Assert
Assert.IsFalse(isCompletedBefore);
Assert.IsTrue(isCompletedAfter);
}
public void MarkCompleted()
{
// Arrange
ManualAsyncResult asyncResult = new ManualAsyncResult();
bool callbackWasCalled = false;
AsyncCallback callback = ar => {
callbackWasCalled = true;
Assert.AreEqual(asyncResult, ar);
Assert.IsTrue(ar.CompletedSynchronously);
Assert.IsTrue(ar.IsCompleted);
bool wasSignaledBefore = ar.AsyncWaitHandle.WaitOne(0, false /* exitContext */);
Assert.IsFalse(wasSignaledBefore, "The WaitHandle should not yet have been signaled.");
};
// Act
asyncResult.MarkCompleted(true, callback);
bool wasSignaledAfter = asyncResult.AsyncWaitHandle.WaitOne(0, false /* exitContext */);
// Assert
Assert.IsTrue(callbackWasCalled);
Assert.IsTrue(wasSignaledAfter);
}
