if (smbUrl == null || smbUrl.isEmpty()) {
            throw new SmbException("SMB URL cannot be null or empty");
        }

        // Check URL format
        if (!smbUrl.toLowerCase().startsWith("smb://")) {
            throw new SmbException("Invalid SMB URL format");
        }

        try {
            URL url = new URL(null, smbUrl, new jcifs.smb.Handler());

            // Validate host

    }

    @Test
    @DisplayName("Test with empty data")
    void testWithEmptyData() {
        // Given
        byte[] emptyData = new byte[0];
        transCallNamedPipe = new TransCallNamedPipe(mockConfig, TEST_PIPE_NAME, emptyData, 0, 0);
        byte[] dst = new byte[10];

        // When
        int bytesWritten = transCallNamedPipe.writeDataWireFormat(dst, 0);

        // Then

            byte[] emptyFileId = new byte[16];
            assertDoesNotThrow(() -> new Smb2WriteRequest(mockConfig, emptyFileId));
        }
    }

    @Nested
    @DisplayName("FileId Tests")
    class FileIdTests {

        @Test
        @DisplayName("Should set file ID correctly")
        void testSetFileId() {
            byte[] newFileId = new byte[16];
            new SecureRandom().nextBytes(newFileId);

        List<FileNotifyInformation> info = new ArrayList<>();
        NotifyResponse resp = mock(NotifyResponse.class);
        when(resp.isReceived()).thenReturn(true);
        when(resp.getErrorCode()).thenReturn(0);
        when(resp.getNotifyInformation()).thenReturn(info);
        setupSmb2(resp, new byte[16]);
        SmbWatchHandleImpl sut = new SmbWatchHandleImpl(handle, 0x1234, true);

  }

  public void testToArrayImpl2() {
    doTestToArrayImpl2(new ArrayList<Integer>(), new Integer[0], false);
    doTestToArrayImpl2(new ArrayList<Integer>(), new Integer[1], true);

    doTestToArrayImpl2(Lists.newArrayList(1), new Integer[0], false);
    doTestToArrayImpl2(Lists.newArrayList(1), new Integer[1], true);
    doTestToArrayImpl2(Lists.newArrayList(1), new Integer[] {2, 3}, true);

  @Override
  public void setUp() {
    fakePool = new FakeExecutor();
    e = new SequentialExecutor(fakePool);
  }

  public void testConstructingWithNullExecutor_fails() {
    assertThrows(NullPointerException.class, () -> new SequentialExecutor(null));
  }

  public void testBasics() {
    AtomicInteger totalCalls = new AtomicInteger();
    Runnable intCounter =
        new Runnable() {
          @Override

    void testType1MessageFromBytes() throws IOException {
        // Given - Create a Type 1 message and convert to bytes
        Type1Message original = new Type1Message(mockContext);
        byte[] messageBytes = original.toByteArray();

        // When
        Type1Message parsed = new Type1Message(messageBytes);

        // Then
        // Note: getType() method does not exist in Type1Message

        Properties props = new Properties();
        props.setProperty("jcifs.smb.client.useMultiChannel", "false");

        PropertyConfiguration config = new PropertyConfiguration(props);
        assertFalse(config.isUseMultiChannel());

        props.setProperty("jcifs.smb.client.useMultiChannel", "true");
        config = new PropertyConfiguration(props);
        assertTrue(config.isUseMultiChannel());

    testRotate(new byte[] {1, 2}, -1, new byte[] {2, 1});
    testRotate(new byte[] {1, 2}, -2, new byte[] {1, 2});
    testRotate(new byte[] {1, 2}, 0, new byte[] {1, 2});
    testRotate(new byte[] {1, 2}, 1, new byte[] {2, 1});
    testRotate(new byte[] {1, 2}, 2, new byte[] {1, 2});
    testRotate(new byte[] {1, 2}, 3, new byte[] {2, 1});

    testRotate(new byte[] {1, 2, 3}, -5, new byte[] {3, 1, 2});

  public void testRotate() {
    testRotate(new char[] {}, -1, new char[] {});
    testRotate(new char[] {}, 0, new char[] {});
    testRotate(new char[] {}, 1, new char[] {});

    testRotate(new char[] {'1'}, -2, new char[] {'1'});
    testRotate(new char[] {'1'}, -1, new char[] {'1'});
    testRotate(new char[] {'1'}, 0, new char[] {'1'});
    testRotate(new char[] {'1'}, 1, new char[] {'1'});