public void IsNotInFuture_When_Argument_Exceeds_Current_DateTime_Should_Throw_ArgumentException()
{
_timeProvider.Setup(s => s.Now).Returns(() => _currentDate);
var ex = Assert.Throws <ArgumentException>(
() => Invariant.IsNotInFuture(_currentDate.AddTicks(1), PARAMETER_NAME));
Assert.AreEqual($"Argument '{PARAMETER_NAME}' must not be in the future.", ex.Message);
}
public void IsNotInFuture_When_Argument_Is_Earlier_Than_Current_DateTime_Should_Not_Throw()
{
_timeProvider.Setup(s => s.Now).Returns(() => _currentDate);
Assert.DoesNotThrow(() => Invariant.IsNotInFuture(_currentDate.AddTicks(-1), PARAMETER_NAME));
}