public void MethodPlus_NonZero()
{
Assert.AreEqual(TestObjects.CreatePositiveOffset(6, 0, 0, 0), ThreeHours.Plus(ThreeHours), "3,000,000 + 1");
Assert.AreEqual(Offset.Zero, ThreeHours.Plus(NegativeThreeHours), "1 + (-1)");
Assert.AreEqual(TestObjects.CreateNegativeOffset(9, 0, 0, 0), NegativeTwelveHours.Plus(ThreeHours), "-TwelveHours + threeHours");
}
public void MethodPlus_Zero_IsNeutralElement()
{
Assert.AreEqual(0, Offset.Zero.Plus(Offset.Zero).Milliseconds, "0 + 0");
Assert.AreEqual(TestObjects.CreatePositiveOffset(3, 0, 0, 0), ThreeHours.Plus(Offset.Zero), "1 + 0");
Assert.AreEqual(TestObjects.CreatePositiveOffset(3, 0, 0, 0), Offset.Zero.Plus(ThreeHours), "0 + 1");
}