public void SuceedsWhenBigger()
{
ValidationRule <int> sut = GetSut(3, "a");
sut.AtLeast(2);
}
public void SuceedsWhenEqual()
{
ValidationRule <int> sut = GetSut(3, "a");
sut.AtLeast(3);
}
public void ItThrowsWhenValueIsTosmall()
{
ValidationRule <int> sut = GetSut(1, "a");
Assert.Throws <ArgumentOutOfRangeException>(() => sut.AtLeast(2));
}