public async Task When_async_method_of_T_succeeds_and_expected_not_to_throw_particular_exception_it_should_succeed()
{
// Arrange
var asyncObject = new AsyncClass();
// Act
Func <Task> action = () => asyncObject
.Awaiting(_ => asyncObject.ReturnTaskInt())
.Should().NotThrowAsync <InvalidOperationException>();
// Assert
await action.Should().NotThrowAsync();
}
public async Task When_poll_interval_is_negative_and_expecting_to_not_throw_async_it_should_throw()
{
// Arrange
var waitTime = 10.Milliseconds();
var pollInterval = -1.Milliseconds();
var asyncObject = new AsyncClass();
Func <Task <int> > someFunc = () => asyncObject.ReturnTaskInt();
// Act
Func <Task> act = () => someFunc.Should().NotThrowAfterAsync(waitTime, pollInterval);
// Assert
await act.Should().ThrowAsync <ArgumentOutOfRangeException>()
.WithMessage("* value of pollInterval must be non-negative*");
}