public void testGetValue() {
        MonthDay test = new MonthDay();
        assertEquals(6, test.getValue(0));
        assertEquals(9, test.getValue(1));
        try {
            test.getValue(-1);
        } catch (IndexOutOfBoundsException ex) {}
        try {
            test.getValue(2);
        } catch (IndexOutOfBoundsException ex) {}
    }