if (out != null && !out.isOpen()) {
            throw new IOException("DCERPC pipe is no longer open");
        }

        if (in == null) {
            in = (SmbFileInputStream) pipe.getNamedPipeInputStream();
        }
        if (out == null) {
            out = (SmbFileOutputStream) pipe.getNamedPipeOutputStream();
        }
        if (isDirect) {
            out.writeDirect(buf, off, length, 1);

import jcifs.CIFSException;
import jcifs.SmbFileHandle;
import jcifs.SmbPipeHandle;

/**
 * Internal interface for SMB pipe handle operations.
 *
 * This interface extends SmbPipeHandle with additional methods needed
 * for internal pipe management and provides access to low-level pipe details.
 *
 * @author mbechler
 *
 * <p>This interface is intended for internal use.</p>
 */

/**
 * Response structure for SMB2 IOCTL pipe peek operation.
 * Provides information about data available in a named pipe.
 *
 * @author svella
 *
 */
public class SrvPipePeekResponse implements Decodable {

    /**
     * Constructs a new SrvPipePeekResponse.
     * This response contains information about data available in a named pipe.
     */
    public SrvPipePeekResponse() {
    }

    @Test
    void testSetOptionEndpointWithVariousValidPipes() throws DcerpcException {
        Object[][] testData = { { "\\pipe\\srvsvc", "srvsvc", "4B324FC8-1670-01D3-1278-5A47BF6EE188", 3, 0 },
                { "\\pipe\\lsarpc", "lsarpc", "12345778-1234-ABCD-EF00-0123456789AB", 2, 1 },
                { "\\pipe\\samr", "samr", "12345778-1234-ABCD-EF00-0123456789AC", 1, 0 } };

        for (Object[] data : testData) {

        assertEquals(ServerMessageBlock.SMB_COM_TRANSACTION, netServerEnum2.command);
        assertEquals(SmbComTransaction.NET_SERVER_ENUM2, netServerEnum2.subCommand);
        assertEquals("\\PIPE\\LANMAN", netServerEnum2.name);
        assertEquals(8, netServerEnum2.maxParameterCount);
        assertEquals(16384, netServerEnum2.maxDataCount);
        assertEquals(0, netServerEnum2.maxSetupCount);

    int ERROR_REQ_NOT_ACCEP = 71;
    /** The pipe state is invalid */
    int ERROR_BAD_PIPE = 230;
    /** All pipe instances are busy */
    int ERROR_PIPE_BUSY = 231;
    /** The pipe is being closed */
    int ERROR_NO_DATA = 232;
    /** No process is on the other end of the pipe */
    int ERROR_PIPE_NOT_CONNECTED = 233;
    /** More data is available */

    int ERROR_REQ_NOT_ACCEP = 71;
    /** The pipe state is invalid */
    int ERROR_BAD_PIPE = 230;
    /** All pipe instances are busy */
    int ERROR_PIPE_BUSY = 231;
    /** The pipe is being closed */
    int ERROR_NO_DATA = 232;
    /** No process is on the other end of the pipe */
    int ERROR_PIPE_NOT_CONNECTED = 233;
    /** More data is available */

    }

    @Test
    @DisplayName("Test with various pipe name formats")
    void testVariousPipeNameFormats() {
        // Test various pipe name formats
        String[] pipeNames =
                { "\\\\server\\PIPE\\testpipe", "\\PIPE\\LANMAN", "\\PIPE\\srvsvc", "\\PIPE\\wkssvc", "PIPE\\test", "testpipe" };

        for (String pipeName : pipeNames) {
            // Act

 */

package jcifs.smb1.smb1;

class TransCallNamedPipeResponse extends SmbComTransactionResponse {

    private final SmbNamedPipe pipe;

    TransCallNamedPipeResponse(final SmbNamedPipe pipe) {
        this.pipe = pipe;
    }

    @Override
    int writeSetupWireFormat(final byte[] dst, final int dstIndex) {
        return 0;
    }

    @Override

            jcifs.internal.smb1.com.SmbComReadAndX req = cap.getValue();
            assertEquals(1024, req.getMinCount(), "Named pipe minCount should be 1024");
            assertEquals(1024, req.getMaxCount(), "Named pipe maxCount should be 1024");
            assertEquals(1024, req.getRemaining(), "Named pipe remaining should be 1024");
        }
    }

    @Nested
    @DisplayName("Lifecycle and exception mapping")