public void NegTest1()
{
System.Globalization.Calendar tc = new TaiwanCalendar();
Random rand = new Random(-55);
int year = tc.MaxSupportedDateTime.Year - 1911 + rand.Next(1, Int32.MaxValue);
int era = Calendar.CurrentEra;
Assert.Throws<ArgumentOutOfRangeException>(() =>
{
tc.GetMonthsInYear(year, era);
});
}