@Test
public void testMinusWeeksOverflow() throws Exception {
try {
testDate.minusWeeks(Integer.MAX_VALUE);
fail();
} catch (IllegalCalendarFieldValueException ex) {
assertEquals(ex.getRule(), MinguoChronology.yearOfEraRule());
}
}
// -----------------------------------------------------------------------
// minusWeeks()
// -----------------------------------------------------------------------
@Test
public void testMinusWeeks() {
assertEquals(
testDate.minusWeeks(2),
MinguoDate.of(testYear, testMonthOfYear.previous(), 28 + testDayOfMonth - (2 * 7)));
}