@Test
public void testPlusDaysOverflow() throws Exception {
try {
testDate.plusDays(Integer.MAX_VALUE);
fail();
} catch (IllegalCalendarFieldValueException ex) {
assertEquals(ex.getRule(), MinguoChronology.yearOfEraRule());
}
}
// -----------------------------------------------------------------------
// plusDays()
// -----------------------------------------------------------------------
@Test
public void testPlusDays() {
assertEquals(
testDate.plusDays(2), MinguoDate.of(testYear, testMonthOfYear, testDayOfMonth + 2));
}