NtlmPasswordAuthentication auth3 = new NtlmPasswordAuthentication("DOMAIN", "user", "different_password");
        NtlmPasswordAuthentication auth4 = new NtlmPasswordAuthentication("DIFFERENT_DOMAIN", "user", "password");

        assertEquals(auth1, auth2);
        assertNotEquals(auth1, auth3);
        assertNotEquals(auth1, auth4);
        assertNotEquals(auth1, new Object());
    }