assertNotNull(password, "Password char array should not be null");
        assertArrayEquals(testPassword.toCharArray(), password, "Password should match");

        // Verify it returns a clone, not the original
        password[0] = 'X';
        char[] password2 = authenticator.getPasswordAsCharArray();
        assertNotEquals(password[0], password2[0], "Should return a clone, not the original");
    }

    @Test

        @Test
        @DisplayName("Should create with configuration only")
        void testConstructorWithConfig() {
            ServerMessageBlock2 msg = new TestServerMessageBlock2(mockConfig);
            assertNotNull(msg);
            assertEquals(mockConfig, msg.getConfig());
            assertEquals(0, msg.getCommand());
        }

        @Test
        @DisplayName("Should create with configuration and command")

        assertEquals(1, t.numThreads, "Default numThreads should be 1");
        assertEquals(1, t.numIter, "Default numIter should be 1");
        assertEquals(100L, t.delay, "Default delay should be 100");
        assertNull(t.url, "URL should be null by default");
        assertEquals(0, t.numComplete, "numComplete should start at 0");
        assertEquals(0L, t.ltime, "ltime should start at 0");
    }

    @Test

    class SamrCloseHandleTests {

        @Test
        @DisplayName("Should construct with correct opnum")
        void testConstructorAndOpnum() {
            // When: Creating close handle message
            samr.SamrCloseHandle message = new samr.SamrCloseHandle(mockPolicyHandle);

            // Then: Should have correct opnum and handle
            assertEquals(0x01, message.getOpnum());

    @DisplayName("MonotonicClock singleton instance should always return the same instance")
    void testSingletonInstance() {
        MonotonicClock clock1 = MonotonicClock.get();
        MonotonicClock clock2 = MonotonicClock.get();

        assertSame(clock1, clock2, "Multiple calls to get() should return the same instance");
    }

    @Test
    @DisplayName("MonotonicClock should always use UTC timezone")
    void testClockTimezone() {

        assertTrue(session.isInUse(), "Session should be in use initially");
        try (SmbSessionImpl autoSession = session) {
            // Session is already in use due to transport acquisition
            assertTrue(autoSession.isInUse(), "Session should be in use");
        }

        // Session should be automatically released
        assertFalse(session.isInUse(), "Session should be released after try-with-resources");
    }

        // Verify - should consume 28 bytes even though len is 24
        assertEquals(28, bytesConsumed, "Should consume 28 bytes");

        byte[] resumeKey = response.getResumeKey();
        assertNotNull(resumeKey, "Resume key should not be null");
        assertEquals(24, resumeKey.length, "Resume key should be 24 bytes");

        // Verify all bytes are 0xAA

    }

    @Test
    @DisplayName("Should identify success status")
    void testSuccessStatusIdentification() {
        // Given
        int successStatus = NtStatus.NT_STATUS_SUCCESS;

        // When/Then
        assertEquals(0x00000000, successStatus);
        // Success status should be zero
        assertTrue(successStatus == 0);
    }

    @Test
    @DisplayName("Should identify error status codes")

        }

        @Test
        @DisplayName("Should align size to 8-byte boundary")
        void testSizeAlignment() {
            int size = request.size();
            assertEquals(0, size % 8, "Size should be aligned to 8-byte boundary");
        }

        @ParameterizedTest
        @DisplayName("Should calculate size for various lock counts")

        assertNull(ex.getMessage(), "Default ctor should not set a message");
        assertNull(ex.getCause(), "Default ctor should not set a cause");
        assertTrue(ex instanceof SmbException, "Should be an SmbException subtype");
        // SmbException default ctor leaves status 0, which equals NT_STATUS_SUCCESS
        assertEquals(NtStatus.NT_STATUS_SUCCESS, ex.getNtStatus(), "Default status should be success (0)");
    }