@Test(expected = BadArgumentException.class)
public void testNullArgument() throws BadArgumentException {
validator.isValid(null);
}
@Test(expected = BadArgumentException.class)
public void testEmptyStringArgument() throws BadArgumentException {
validator.isValid("");
}
@Test
public void testInvalidPalindrome() throws BadArgumentException {
for (String s : invalidControlList) {
assertFalse(validator.isValid(s));
}
}