public void AddMilliSecondsTest()
{
var t1 = new Time(0, 0, 0, 0);
t1.AddMilliSeconds(500);
var t2 = new Time(0, 0, 0, 500);
Assert.AreEqual(t2, t1);
t1 = new Time(23, 59, 59, 500);
t1.AddMilliSeconds(500);
t2 = new Time(0, 0, 0, 0);
Assert.AreEqual(t2, t1);
t1 = new Time(0, 0, 0, 0);
t1.AddMilliSeconds(1000);
t2 = new Time(0, 0, 1, 0);
Assert.AreEqual(t2, t1);
t1 = new Time(0, 0, 0, 500);
t1.AddMilliSeconds(500);
t2 = new Time(0, 0, 1, 0);
Assert.AreEqual(t2, t1);
t1 = new Time(0, 0, 1, 0);
t1.AddMilliSeconds(-1000);
t2 = new Time(0, 0, 0, 0);
Assert.AreEqual(t2, t1);
t1 = new Time(0, 0, 0, 500);
t1.AddMilliSeconds(-1000);
t2 = new Time(23, 59, 59, 500);
Assert.AreEqual(t2, t1);
}