* reading data from a pipe without removing it, useful for checking if data
 * is available before performing a blocking read.
 */
public class TransPeekNamedPipe extends SmbComTransaction {

    private final int fid;

    /**
     * Constructs a TransPeekNamedPipe request to check the status of a named pipe.
     *
     * @param config the SMB configuration
     * @param pipeName the name of the pipe to peek

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package jcifs.smb1.smb1;

class TransPeekNamedPipe extends SmbComTransaction {

    private final int fid;

    TransPeekNamedPipe(final String pipeName, final int fid) {
        name = pipeName;
        this.fid = fid;
        command = SMB_COM_TRANSACTION;
        subCommand = TRANS_PEEK_NAMED_PIPE;

    void testConstructor() {
        // Act
        transPeekNamedPipe = new TransPeekNamedPipe(mockConfig, TEST_PIPE_NAME, TEST_FID);

        // Assert
        assertNotNull(transPeekNamedPipe);
        assertEquals(TEST_PIPE_NAME, transPeekNamedPipe.name);
        assertEquals(0xFFFFFFFF, transPeekNamedPipe.timeout);
        assertEquals(6, transPeekNamedPipe.maxParameterCount);

                final Smb2IoctlResponse resp = th.send(req, RequestParam.NO_RETRY);
                return ((SrvPipePeekResponse) resp.getOutputData()).getReadDataAvailable();
            }
            final TransPeekNamedPipe req = new TransPeekNamedPipe(th.getConfig(), this.handle.getUncPath(), fd.getFid());
            final TransPeekNamedPipeResponse resp = new TransPeekNamedPipeResponse(th.getConfig());
            th.send(req, resp, RequestParam.NO_RETRY);

import org.mockito.Mock;
import org.mockito.Mockito;
import org.mockito.junit.jupiter.MockitoExtension;

import jcifs.CIFSException;
import jcifs.Configuration;
import jcifs.internal.smb1.trans.TransPeekNamedPipe;
import jcifs.internal.smb1.trans.TransPeekNamedPipeResponse;
import jcifs.internal.smb2.ioctl.Smb2IoctlRequest;
import jcifs.internal.smb2.ioctl.Smb2IoctlResponse;
import jcifs.internal.smb2.ioctl.SrvPipePeekResponse;

        SmbNamedPipe pipe;
        TransPeekNamedPipe req;
        TransPeekNamedPipeResponse resp;

        if (file.type != SmbFile.TYPE_NAMED_PIPE) {
            return 0;
        }

        try {
            pipe = (SmbNamedPipe) file;
            file.open(SmbFile.O_EXCL, pipe.pipeType & 0xFF0000, SmbFile.ATTR_NORMAL, 0);

            req = new TransPeekNamedPipe(file.unc, file.fid);