assertFalse((readExecute & ACE.FILE_WRITE_DATA) != 0, "Read & Execute should not include FILE_WRITE_DATA");

            // Write permissions
            int writeOnly = ACE.FILE_WRITE_DATA | ACE.FILE_APPEND_DATA | ACE.FILE_WRITE_ATTRIBUTES | ACE.FILE_WRITE_EA;
            assertTrue((writeOnly & ACE.FILE_WRITE_DATA) != 0, "Write should include FILE_WRITE_DATA");

        outputStream = new SmbFileOutputStream(mockFile, mockTreeHandle, mockFileHandle,
                SmbConstants.O_CREAT | SmbConstants.O_WRONLY | SmbConstants.O_TRUNC, SmbConstants.FILE_WRITE_DATA,
                SmbConstants.DEFAULT_SHARING);

        // When
        outputStream.write(65); // Write 'A'

        // Then

        // Test common access combinations
        int readWriteAccess = SmbConstants.FILE_READ_DATA | SmbConstants.FILE_WRITE_DATA;
        assertEquals(0x03, readWriteAccess);

        int fullFileAccess =
                SmbConstants.FILE_READ_DATA | SmbConstants.FILE_WRITE_DATA | SmbConstants.FILE_APPEND_DATA | SmbConstants.FILE_DELETE;
        assertEquals(0x47, fullFileAccess);
    }

    @Test

        try {
            return dest.openUnshared(SmbConstants.O_CREAT | SmbConstants.O_WRONLY | SmbConstants.O_TRUNC,
                    SmbConstants.FILE_WRITE_DATA | SmbConstants.FILE_WRITE_ATTRIBUTES | (alsoRead ? SmbConstants.FILE_READ_DATA : 0),
                    SmbConstants.FILE_NO_SHARE, attrs, 0);
        } catch (final SmbAuthException sae) {
            log.trace("copyTo0", sae);

            file.unc = file.unc.substring(5);
            file.send(new TransWaitNamedPipe("\\pipe" + file.unc), new TransWaitNamedPipeResponse());
        }
        file.open(openFlags, access | SmbConstants.FILE_WRITE_DATA, SmbFile.ATTR_NORMAL, 0);
        this.openFlags &= ~(SmbFile.O_CREAT | SmbFile.O_TRUNC); /* in case close and reopen */
        writeSize = file.tree.session.transport.snd_buf_size - 70;

            write_andx_resp = new SmbComWriteAndXResponse();
            options = WRITE_OPTIONS;
            access = SmbConstants.FILE_READ_DATA | SmbConstants.FILE_WRITE_DATA;
        } else {
            throw new IllegalArgumentException("Invalid mode");
        }
        file.open(openFlags, access, SmbFile.ATTR_NORMAL, options);

    int ATTR_TEMPORARY = 0x100;

    // access mask encoding
    /** File read data access right */
    int FILE_READ_DATA = 0x00000001; // 1
    /** File write data access right */
    int FILE_WRITE_DATA = 0x00000002; // 2
    /** File append data access right */
    int FILE_APPEND_DATA = 0x00000004; // 3
    /** File read extended attributes access right */
    int FILE_READ_EA = 0x00000008; // 4

    }

    @ParameterizedTest
    @DisplayName("Test various access mask values")
    @ValueSource(ints = { 0x00000001, // FILE_READ_DATA
            0x00000002, // FILE_WRITE_DATA
            0x00000004, // FILE_APPEND_DATA
            0x00010000, // DELETE
            0x00020000, // READ_CONTROL
            0x00040000, // WRITE_DAC
            0x00080000, // WRITE_OWNER

    // access mask encoding
    /**
     * Permission to read data from the file.
     */
    int FILE_READ_DATA = 0x00000001; // 1
    /**
     * Permission to write data to the file.
     */
    int FILE_WRITE_DATA = 0x00000002; // 2
    /**
     * Permission to append data to the file.
     */
    int FILE_APPEND_DATA = 0x00000004; // 3
    /**
     * Permission to read extended attributes.
     */

            throws SmbException {
        this.file = file;
        this.append = append;
        this.openFlags = openFlags;
        this.sharing = sharing;
        this.access = access | SmbConstants.FILE_WRITE_DATA;

        try (SmbTreeHandleImpl th = file.ensureTreeConnected()) {
            this.smb2 = th.isSMB2();
            try (SmbFileHandleImpl fh = ensureOpen()) {
                if (append) {