public void IsAtLeast_When_Argument_Is_Less_Than_Min_Should_Throw_ArgumentException()
{
const int MIN_VALUE = 1;
var ex = Assert.Throws <ArgumentException>(() => Invariant.IsAtLeast(0, MIN_VALUE, PARAMETER_NAME));
Assert.AreEqual($"Argument '{PARAMETER_NAME}' must not be less than {MIN_VALUE}.", ex.Message);
}
public void IsAtLeast_When_Argument_Exceeds_Min_Should_Not_Throw()
{
Assert.DoesNotThrow(() => Invariant.IsAtLeast(1, 0, PARAMETER_NAME));
}
public void IsAtLeast_When_Argument_Is_Equal_To_Min_Should_Not_Throw()
{
Assert.DoesNotThrow(() => Invariant.IsAtLeast(0, 0, PARAMETER_NAME));
}
