MIEName b = new MIEName(oid, null);
            assertEquals(a, b);
            assertNull(a.toString()); // toString returns field as-is
        }

        @Test
        void notEqualWhenOidDiffersOrNameNullityDiffers() {
            MIEName a = new MIEName(new ASN1ObjectIdentifier("1.2.3"), "X");
            MIEName b = new MIEName(new ASN1ObjectIdentifier("1.2.4"), "X");