assertNotEquals(a1.hashCode(), b.hashCode());
            assertNotEquals(a1, new Object());
        }

        @Test
        @DisplayName("getRid throws for domain SIDs")
        void testGetRidForDomainThrows() {
            byte[] ident = new byte[] { 0, 0, 0, 0, 0, 5 };
            SID domain = new SID(buildSidT((byte) 1, ident, 10, 20), jcifs.SID.SID_TYPE_DOMAIN, "DOM", null, false);