*/
    @BeforeEach
    void setUp() {
        andx = mock(ServerMessageBlock.class);
    }

    /**
     * Test constructor with O_CREAT and O_TRUNC flags.
     */
    @Test
    void testConstructor_CreateAndTruncate() {
        int flags = SmbFile.O_CREAT | SmbFile.O_TRUNC;
        smbComOpenAndX = new SmbComOpenAndX(fileName, access, flags, andx);
        assertEquals(fileName, smbComOpenAndX.path);

        this.extFileAttributes = extFileAttributes;

        // shareAccess
        this.shareAccess = shareAccess;

        // createDisposition
        if ((flags & SmbConstants.O_TRUNC) == SmbConstants.O_TRUNC) {
            // truncate the file
            if ((flags & SmbConstants.O_CREAT) == SmbConstants.O_CREAT) {
                // create it if necessary
                this.createDisposition = FILE_OVERWRITE_IF;

     */
    int O_CREAT = 0x0010;
    /**
     * Fail if the file exists.
     */
    int O_EXCL = 0x0020;
    /**
     * Truncate file if it exists.
     */
    int O_TRUNC = 0x0040;

        when(mockWriteResponse.getCount()).thenReturn(1);

        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

    private static void setCreateDisposition(final Smb2CreateRequest req, final int flags) {
        if ((flags & SmbConstants.O_TRUNC) == O_TRUNC && (flags & SmbConstants.O_CREAT) == O_CREAT) {
            req.setCreateDisposition(Smb2CreateRequest.FILE_OVERWRITE_IF);
        } else if ((flags & SmbConstants.O_TRUNC) == O_TRUNC) {
            req.setCreateDisposition(Smb2CreateRequest.FILE_OVERWRITE);

        // searchAttributes
        searchAttributes = ATTR_DIRECTORY | ATTR_HIDDEN | ATTR_SYSTEM;

        // fileAttributes
        fileAttributes = 0;

        // openFunction
        if ((flags & SmbFile.O_TRUNC) == SmbFile.O_TRUNC) {
            // truncate the file
            if ((flags & SmbFile.O_CREAT) == SmbFile.O_CREAT) {
                // create it if necessary
                openFunction = OPEN_FN_TRUNC | OPEN_FN_CREATE;

        // searchAttributes
        this.searchAttributes = SmbConstants.ATTR_DIRECTORY | SmbConstants.ATTR_HIDDEN | SmbConstants.ATTR_SYSTEM;

        // openFunction
        if ((flags & SmbConstants.O_TRUNC) == SmbConstants.O_TRUNC) {
            // truncate the file
            if ((flags & SmbConstants.O_CREAT) == SmbConstants.O_CREAT) {
                // create it if necessary

        static java.util.stream.Stream<Arguments> flagsProvider() {
            return java.util.stream.Stream.of(
                    Arguments.of(SmbConstants.O_TRUNC | SmbConstants.O_CREAT, SmbComNTCreateAndX.FILE_OVERWRITE_IF),
                    Arguments.of(SmbConstants.O_TRUNC, SmbComNTCreateAndX.FILE_OVERWRITE),
                    Arguments.of(SmbConstants.O_CREAT | SmbConstants.O_EXCL, SmbComNTCreateAndX.FILE_CREATE),

        this.extFileAttributes = extFileAttributes;

        // shareAccess
        this.shareAccess = shareAccess;

        // createDisposition
        if ((flags & SmbFile.O_TRUNC) == SmbFile.O_TRUNC) {
            // truncate the file
            if ((flags & SmbFile.O_CREAT) == SmbFile.O_CREAT) {
                // create it if necessary
                createDisposition = FILE_OVERWRITE_IF;

        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);