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 */

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>
 */

        return this.handle.ensureOpen();
    }

    /**
     * Gets the pipe handle implementation for this output stream.
     *
     * @return the handle
     */
    protected SmbPipeHandleImpl getHandle() {
        return this.handle;
    }

    @Override
    public void close() {
        // ignore, the shared file descriptor is closed by the pipe handle
    }

    }

    @Test
    @DisplayName("getPipe, getPipeType, getUncPath delegate to underlying pipe")
    void testBasicAccessors() {
        when(pipe.getPipeType()).thenReturn(0x123456);
        assertSame(pipe, target.getPipe());
        assertEquals(0x123456, target.getPipeType());
        assertEquals("\\\\pipe\\\\my-pipe", target.getUncPath());
    }

    @Test

/**
 * 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) {

    private final Pipe pipe = new Pipe(8192);
    private final BufferedSink sink = Okio.buffer(pipe.sink());

    public BufferedSink sink() {
      return sink;
    }

    @Override public MediaType contentType() {
      return MEDIA_TYPE_MARKDOWN;
    }

    @Override public void writeTo(BufferedSink sink) throws IOException {
      sink.writeAll(pipe.source());
    }
  }

        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);

            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")

    }

    /**
     * Tests the readDataWireFormat method when the pipe has a valid input stream.
     */
    @Test
    void testReadDataWireFormat_withPipeIn() {
        // Setup the mock pipe and its input stream
        mockPipe.pipeIn = mockPipeIn;
        // The 'lock' field in TransactNamedPipeInputStream needs to be a real object for synchronization