// Both null subjects -> equal
        assertEquals(a, b);
        assertEquals(a.hashCode(), b.hashCode());

        // Mixed null/non-null -> not equal
        Kerb5Authenticator c = new Kerb5Authenticator(new Subject());
        assertNotEquals(a, c);

        // Same subject instance -> equal
        Subject shared = new Subject();

        void testHashCodeConsistency() {
            assertEquals(data1.hashCode(), data2.hashCode());
        }

        @Test
        @DisplayName("Should not be equal to null")
        void testNotEqualToNull() {
            assertNotEquals(data1, null);
        }

        @Test
        @DisplayName("Should not be equal to different type")

        Boolean result2 = (Boolean) constantTimeMethod.invoke(null, password1, password3);

        assertTrue(result1, "Identical passwords should be equal");
        assertFalse(result2, "Different passwords should not be equal");
    }

    /**
     * Measure the average time for equals operations.
     */

     * equality. Two {@code NtlmPasswordAuthentication} objects are equal if

        SmbTree tree4 = new SmbTree(session, "testShare", "otherService");

        // Test equal trees (same share and service)
        assertEquals(tree1, tree2);

        // Test non-equal trees (different share)
        assertNotEquals(tree1, tree3);

        // Test non-equal trees (different service)
        assertNotEquals(tree1, tree4);

        // Test with different object type

            int combined = Smb2Constants.SMB2_NEGOTIATE_SIGNING_ENABLED | Smb2Constants.SMB2_NEGOTIATE_SIGNING_REQUIRED;
            assertEquals(0x0003, combined, "Combined signing flags should equal 0x0003");
        }
    }

    @Nested
    @DisplayName("Dialect Constants")
    class DialectConstants {

        @Test
        @DisplayName("SMB 2.0.2 dialect should be 0x0202")

        }
        return s1.indexOf(s2) >= 0;
    }

    /**
     * Returns whether two strings are equal. If both are null, returns <code>true</code>.
     *
     * @param target1
     *            the first string
     * @param target2
     *            the second string
     * @return true if the strings are equal, false otherwise
     */
    public static boolean equals(final String target1, final String target2) {

        @Test
        @DisplayName("Should be equal when MIDs match")
        void testEquals() {
            TestServerMessageBlock2 other = new TestServerMessageBlock2(mockConfig);
            testMessage.setMid(12345L);
            other.setMid(12345L);

            assertTrue(testMessage.equals(other));
        }

        @Test
        @DisplayName("Should not be equal when MIDs differ")

            assertEquals(currentTime - 2000, createTime, "Should return correct create time");
            assertTrue(createTime <= lastAccess, "Create time should be before or equal to last access");
            assertTrue(lastAccess <= lastModified, "Last access should be before or equal to last modified");
        }

        @Test
        @DisplayName("setFileTimes should accept valid timestamps")

        byte[] resp = NtlmUtil.getLMv2Response(key, server, client);

        // Assert: HMAC(16) only
        assertEquals(16, resp.length);
    }

    @Test
    @DisplayName("getNTLMResponse: overloads produce equal 24-byte response")
    void testGetNTLMResponse_overloads() throws GeneralSecurityException {
        // Arrange
        String password = "password";
        byte[] challenge = hex("1122334455667788");