TCKChronoLocalDateTime.java 文件源码

@Test(dataProvider="calendars")
public void test_badMinusTemporalUnitChrono(Chronology chrono) {
    LocalDate refDate = LocalDate.of(2013, 1, 1);
    ChronoLocalDateTime<?> cdt = chrono.date(refDate).atTime(LocalTime.NOON);
    for (Chronology[] clist : data_of_calendars()) {
        Chronology chrono2 = clist[0];
        ChronoLocalDateTime<?> cdt2 = chrono2.date(refDate).atTime(LocalTime.NOON);
        TemporalUnit adjuster = new FixedTemporalUnit(cdt2);
        if (chrono != chrono2) {
            try {
                cdt.minus(1, adjuster);
                Assert.fail("TemporalUnit.doPlus minus should have thrown a ClassCastException" + cdt.getClass()
                        + ", can not be cast to " + cdt2.getClass());
            } catch (ClassCastException cce) {
                // Expected exception; not an error
            }
        } else {
            // Same chronology,
            ChronoLocalDateTime<?> result = cdt.minus(1, adjuster);
            assertEquals(result, cdt2, "WithAdjuster failed to replace date");
        }
    }
}