public void GetLastDayTest()
{
var my = new MonthYear(1, 2000);
var actual = my.GetLastDay();
var expected = new DateTime(2000, 1, 31);
Assert.AreEqual(expected, actual);
my = new MonthYear(2, 2000);
actual = my.GetLastDay();
expected = new DateTime(2000, 2, 29);
Assert.AreEqual(expected, actual);
}
