public void WrapTimedOut()
{
// Arrange
ManualResetEvent waitHandle = new ManualResetEvent(false /* initialState */);
AsyncCallback callback = ar => {
waitHandle.Set();
};
// Act & assert
IAsyncResult asyncResult = AsyncResultWrapper.WrapWithTimeout(callback, null,
(innerCallback, innerState) => new MockAsyncResult(),
ar => {
Assert.Fail("This callback should never execute since we timed out.");
},
0);
// wait for the timeout
waitHandle.WaitOne();
ExceptionHelper.ExpectException <TimeoutException>(
delegate {
AsyncResultWrapper.UnwrapAndContinue(asyncResult);
});
}
public void WrapThrowsIfTimeoutIsOutOfRange()
{
// Arrange
BeginInvokeCallback beginCallback = (callback, state) => null;
AsyncCallback endCallback = ar => { };
// Act & assert
ExceptionHelper.ExpectArgumentOutOfRangeException(
delegate {
AsyncResultWrapper.WrapWithTimeout(null, null, beginCallback, endCallback, -1000);
}, "timeout",
@"The timeout period must be a non-negative number or Timeout.Infinite.
Parameter name: timeout");
}