// Test combining read and write permissions
            int readWrite = ACE.FILE_READ_DATA | ACE.FILE_WRITE_DATA;
            assertEquals(0x00000003, readWrite, "Combined read/write should be 0x00000003");

            // Test checking individual bits
            assertTrue((readWrite & ACE.FILE_READ_DATA) != 0, "Should contain FILE_READ_DATA bit");

        int access = accessCaptor.getValue();
        boolean hasReadData = (access & SmbConstants.FILE_READ_DATA) != 0;
        assertEquals(alsoRead, hasReadData, "FILE_READ_DATA flag presence should match alsoRead");
    }

    @Test
    @DisplayName("openCopyTargetFile retries after removing READONLY and succeeds")

    void testAccessMaskCombinations() {
        // 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);
    }

        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);
            final int dattrs = dest.getAttributes();

                this.access = SmbConstants.FILE_READ_DATA;
            } else if (mode.equals("rw")) {
                this.openFlags = SmbConstants.O_CREAT | SmbConstants.O_RDWR | SmbConstants.O_APPEND;
                this.write_andx_resp = new SmbComWriteAndXResponse(th.getConfig());
                this.options = WRITE_OPTIONS;
                this.access = SmbConstants.FILE_READ_DATA | SmbConstants.FILE_WRITE_DATA;
            } else {

            this.openFlags = SmbFile.O_CREAT | SmbFile.O_RDWR | SmbFile.O_APPEND;
            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);

    /** Normal file attribute */
    int ATTR_NORMAL = 0x080;
    /** Temporary file attribute */
    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

        assertEquals(0x00000001, ace.getAccessMask());
    }

    @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

    /**
     * File is temporary.
     */
    int ATTR_TEMPORARY = 0x100;

    // 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.
     */