}

    @Test
    @DisplayName("Should derive signing key for SMB 3.0.0 dialect")
    void testDeriveSigningKey_SMB300() {
        // Given
        int dialect = Smb2Constants.SMB2_DIALECT_0300;

        // When
        byte[] signingKey = Smb3KeyDerivation.deriveSigningKey(dialect, sessionKey, preauthIntegrity);

        // Then
        assertNotNull(signingKey, "Signing key should not be null");

        when(fileNotifyInfo1.getAction()).thenReturn(FileNotifyInformation.FILE_ACTION_ADDED);
        when(fileNotifyInfo1.getFileName()).thenReturn("newfile.txt");

        when(fileNotifyInfo2.getAction()).thenReturn(FileNotifyInformation.FILE_ACTION_MODIFIED);
        when(fileNotifyInfo2.getFileName()).thenReturn("existingfile.txt");

        response = new Smb2FlushResponse(mockConfig);
    }

    @Test
    @DisplayName("Constructor should initialize with Configuration")
    void testConstructor() {
        // Given & When
        Smb2FlushResponse flushResponse = new Smb2FlushResponse(mockConfig);

        // Then
        assertNotNull(flushResponse);
        // Cannot test getConfig() as it's protected
    }

    @Nested

        verifyNoMoreInteractions(handle);
    }

    @Test
    @DisplayName("ensureDFSResolved(): throws CIFSException when underlying call fails")
    void ensureDFSResolved_throws() throws Exception {
        // Arrange: configure the mock to throw
        doThrow(new CIFSException("DFS resolution failed")).when(handle).ensureDFSResolved();

        // Act + Assert: exception is propagated with message

    @Test
    @DisplayName("Should create SmbException with NT status code")
    void testSmbExceptionWithNTStatus() {
        // Given
        int ntStatus = NtStatus.NT_STATUS_ACCESS_DENIED;

        // When
        SmbException exception = new SmbException(ntStatus, false);

        // Then
        assertNotNull(exception);
        assertEquals(ntStatus, exception.getNtStatus());

            mockConfig = mock(Configuration.class);
            when(mockConfig.getPid()).thenReturn(12345);
        }

        @Test
        @DisplayName("Should initialize with correct command and MID")
        void testConstructorInitialization() throws Exception {
            // Given
            int testMid = 42;

            // When

    void testConstructorWithNetbiosNames() {
        when(mockCalledName.getName()).thenReturn("SERVER");
        when(mockCalledName.getNameType()).thenReturn(0x20);
        when(mockCalledName.getScope()).thenReturn(null);

        when(mockCallingName.getName()).thenReturn("CLIENT");
        when(mockCallingName.getNameType()).thenReturn(0x00);
        when(mockCallingName.getScope()).thenReturn(null);

        new SecureRandom().nextBytes(signature);

        // When
        transformHeader.setSignature(signature);

        // Then
        assertArrayEquals(signature, transformHeader.getSignature());
    }

    @Test
    @DisplayName("Should set and get nonce")
    void testNonce() {
        // When
        transformHeader.setNonce(testNonce);

        // Then

            @Override
            public int getErrorCode() {
                return DcerpcError.DCERPC_FAULT_OP_RNG_ERROR;
            }
        }).when(mockHandle).sendrecv(any(MsrpcSamrConnect4.class));
        // Subsequent call for MsrpcSamrConnect2 should succeed
        doNothing().when(mockHandle).sendrecv(any(MsrpcSamrConnect2.class));

        try (SamrPolicyHandle handle = new SamrPolicyHandle(mockHandle, server, access)) {

	user := *GetUser("update-has-many", Config{})

	if err := DB.Create(&user).Error; err != nil {
		t.Fatalf("errors happened when create: %v", err)
	}

	user.Pets = []*Pet{{Name: "pet1"}, {Name: "pet2"}}
	if err := DB.Save(&user).Error; err != nil {
		t.Fatalf("errors happened when update: %v", err)
	}

	var user2 User
	DB.Preload("Pets").Find(&user2, "id = ?", user.ID)
	CheckUser(t, user2, user)