assertNotEquals(guid1.hashCode(), guid3.hashCode());

        assertNotEquals(guid1, null);
        assertNotEquals(guid1, "not a guid");
    }

    @Test
    public void testHandleGuidToString() {
        UUID uuid = UUID.randomUUID();
        HandleGuid guid = new HandleGuid(uuid);

        assertEquals(uuid.toString(), guid.toString());
    }