when(mockHandle.getFileId()).thenReturn(new byte[16]);

        when(mockTree.getReceiveBufferSize()).thenReturn(0x10000);
        when(mockTree.getMaximumBufferSize()).thenReturn(0x10000);
        when(mockTree.getConfig()).thenReturn(mockConfig);
        when(mockTree.isConnected()).thenReturn(true);
        when(mockTree.getTreeId()).thenReturn(1L);

        lenient().when(mockContext.getConfig()).thenReturn(mockConfig);
        lenient().when(mockContext.getNameServiceClient()).thenReturn(mockNameServiceClient);
        lenient().when(mockNameServiceClient.getLocalHost()).thenReturn(mockLocalHost);
        lenient().when(mockLocalHost.getHostName()).thenReturn("localhost");
        lenient().when(mockConfig.getDefaultDomain()).thenReturn("WORKGROUP");

        // Test case for isCancel method when it returns true
        when(mockRequest.isCancel()).thenReturn(true);

        assertTrue(mockRequest.isCancel(), "isCancel should return true when mocked to do so.");
        verify(mockRequest, times(1)).isCancel();
    }

    @Test
    void testIsCancelFalse() {
        // Test case for isCancel method when it returns false
        when(mockRequest.isCancel()).thenReturn(false);

        when(mockFile1.lastAccess()).thenReturn(System.currentTimeMillis() - 1800000);

        when(mockFile2.getName()).thenReturn("subfolder");
        when(mockFile2.length()).thenReturn(0L);
        when(mockFile2.lastModified()).thenReturn(System.currentTimeMillis() - 1800000);
        when(mockFile2.isDirectory()).thenReturn(true);
        when(mockFile2.getAttributes()).thenReturn(0x10); // FILE_ATTRIBUTE_DIRECTORY

    void testRenewCredentials_NtlmAuthenticatorReturnsNull() {
        try (MockedStatic<NtlmAuthenticator> mockedNtlmAuthenticator = mockStatic(NtlmAuthenticator.class)) {
            mockedNtlmAuthenticator.when(NtlmAuthenticator::getDefault).thenReturn(mockNtlmAuthenticator);
            mockedNtlmAuthenticator.when(

    @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());

        // When
        String result = Hexdump.toHexString(data);

        // Then
        assertNotNull(result);
        assertEquals("000FFF7F80", result);
    }

    @Test
    @DisplayName("Should handle empty byte array")
    void testToHexStringEmpty() {
        // Given
        byte[] data = {};

        // When
        String result = Hexdump.toHexString(data);

    }

    @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");

        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

   * instances that are unequal.
   *
   * <p>Calling {@code setDistinctValues(type, v1, v2)} also sets the default value for {@code type}
   * that's used for {@link #testNulls}.
   *
   * <p>Only necessary for types where {@link ClassSanityTester} doesn't already know how to create
   * distinct values.
   *
   * @return this tester instance
   * @since 17.0
   */
  @CanIgnoreReturnValue