byte[] b = new byte[10];
        int n = spyTarget.recv(b, 2, 4);
        assertEquals(7, n);
        verify(in).readDirect(b, 2, 4);
    }

    @Test
    @DisplayName("send delegates to output.writeDirect with provided args")
    void testSendDelegation() throws Exception {
        SmbPipeHandleImpl spyTarget = spy(target);
        SmbPipeOutputStream out = mock(SmbPipeOutputStream.class);

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

    @Override
    protected void doReceiveFragment(final byte[] buf, final boolean isDirect) throws IOException {

        int n = spyHandle.recv(b, 1, 3);
        assertEquals(5, n);
        verify(mockIn).readDirect(eq(b), eq(1), eq(3));
    }

    @Test
    @DisplayName("send delegates to output.writeDirect with args")
    void send_delegates_writeDirect() throws Exception {
        SmbPipeHandleImpl handle = newHandleWithBasicStubs(0, "\\\\pipe\\\\y");

        // Mock the stream directly

        return getInput().readDirect(buf, off, len);

    }

    @Override
    public void send(final byte[] buf, final int off, final int length) throws IOException {
        getOutput().writeDirect(buf, off, length, 1);
    }

    /**
     *
     * {@inheritDoc}
     *
     * @see jcifs.smb.SmbPipeHandleInternal#getPipeType()
     */
    @Override
    public int getPipeType() {

        if (!file.isOpen() && file instanceof SmbNamedPipe) {
            file.send(new TransWaitNamedPipe("\\pipe" + file.unc), new TransWaitNamedPipeResponse());
        }
        writeDirect(b, off, len, 0);
    }

    /**
     * Just bypasses TransWaitNamedPipe - used by DCERPC bind.
     *
     * @param b the byte array containing the data to write
     * @param off the start offset in the data

     * @throws IOException
     *             if a network error occurs
     */

    @Override
    public void write(final byte[] b, final int off, final int len) throws IOException {
        writeDirect(b, off, len, 0);
    }

    /**
     * Just bypasses TransWaitNamedPipe - used by DCERPC bind.
     *
     * @param b the byte array containing the data to write
     * @param off the start offset in the data