public void DateSpanConstructorTest()
{
Time time = "10:30 PM";
var ds1 = new DateSpan(time);
var ds2 = new DateSpan(new Time(22, 30));
Assert.AreEqual(ds2, ds1);
ds1.ToDateTime();
ds2.ToDateTime();
time = "2:15am";
var ds3 = new DateSpan(time);
var ds4 = new DateSpan(new Time(2, 15));
Assert.AreEqual(ds3, ds4);
ds3.ToDateTime();
ds4.ToDateTime();
Assert.IsTrue(ds1.After(ds3));
Assert.IsFalse(ds1.Before(ds3));
Assert.IsTrue(ds3.Before(ds1));
Assert.IsFalse(ds3.After(ds1));
}
