public void TrySetResult_ThrowsIfOperationIsDisposed()
{
// Arrange
var op = new AsyncCompletionSource <int>(AsyncOperationStatus.Canceled);
op.Dispose();
// Act/Assert
Assert.Throws <ObjectDisposedException>(() => op.TrySetResult(15));
}
public void TrySetResult_FailsIfOperationIsCompleted()
{
// Arrange
var op = new AsyncCompletionSource <int>(AsyncOperationStatus.Canceled);
// Act
var result = op.TrySetResult(10);
// Assert
Assert.False(result);
Assert.True(op.CompletedSynchronously);
Assert.True(op.IsCanceled);
}
public void TrySetResult_SetsStatusToRanToCompletion(AsyncOperationStatus status)
{
// Arrange
var resultValue = new object();
var op = new AsyncCompletionSource <object>(status);
// Act
var result = op.TrySetResult(resultValue);
// Assert
Assert.True(op.IsCompletedSuccessfully);
Assert.Equal(resultValue, op.Result);
Assert.True(result);
}
public void TrySetResult_RaisesCompletionCallbacks()
{
// Arrange
var asyncCallbackCalled1 = false;
var asyncCallbackCalled2 = false;
var op = new AsyncCompletionSource <int>(asyncResult => asyncCallbackCalled1 = true, null);
op.AddCompletionCallback(asyncOp => asyncCallbackCalled2 = true, null);
// Act
op.TrySetResult(10);
// Assert
Assert.True(asyncCallbackCalled1);
Assert.True(asyncCallbackCalled2);
}
