assertFalse(listener.validateChar(',', "12,3", 3));
assertTrue(listener.validateChar(',', "1234", 2));
assertTrue(listener.validateChar('-', "1234", 2));
assertTrue(listener.validateChar(' ', "123,", 4));
assertTrue(listener.validateChar('\n', "123,", 4));
assertTrue(listener.validateChar('7', "123,1-3,1-", 10));
assertTrue(listener.validateChar('3', "1, ", 4));
}
}