public async Task When_no_exception_should_be_thrown_on_UI_thread_for_async_func_after_wait_time_but_it_was_it_should_throw()
{
// Arrange
var waitTime = 2.Seconds();
var pollInterval = 10.Milliseconds();
var clock = new FakeClock();
var timer = clock.StartTimer();
clock.CompleteAfter(waitTime);
Func <Task> throwLongerThanWaitTime = async() =>
{
if (timer.Elapsed <= waitTime.Multiply(1.5))
{
throw new ArgumentException("An exception was forced");
}
await Task.Yield();
};
// Act
Func <Task> action = () => throwLongerThanWaitTime.Should(clock)
.NotThrowAfterAsync(waitTime, pollInterval, "we passed valid arguments");
// Assert
await action.Should().ThrowAsync <XunitException>()
.WithMessage("Did not expect any exceptions after 2s because we passed valid arguments*");
}