public void BeforeAfterTimeTest()
{
var ds1 = new DateSpan(2017, 1, 1, 11, 0, 0, 0);
var ds2 = new DateSpan(1940, 12, 25, 12, 0, 0, 0);
Assert.True(ds1.BeforeTime(ds2));
Assert.True(ds2.AfterTime(ds1));
Assert.False(ds1.AfterTime(ds2));
}
