when(mockSmbPipeHandleInternal.sendrecv(buf, 0, 50, inB, 4280)).thenReturn(40);
            when(mockSmbPipeHandleInternal.recv(inB, 40, 40)).thenReturn(40);

            int result = handle.doSendReceiveFragment(buf, 0, 50, inB);
            assertEquals(80, result);
            verify(mockSmbPipeHandleInternal).recv(inB, 40, 40);
        }

        @Test
        @DisplayName("Should throw IOException when handle is stale")

        // Act
        byte[] buf = new byte[16];
        byte[] recv = new byte[16];
        int r = spyHandle.sendrecv(buf, 2, 4, recv, 16);

        // Assert
        assertEquals(7, r);
        verify(mockOut).write(eq(buf), eq(2), eq(4));
        verify(mockIn).read(eq(recv));
    }

    @Test
    @DisplayName("recv delegates to input.readDirect with args")

        verify(tree).send(captor.capture(), any());
        assertNotNull(captor.getValue());
    }

    @Test
    @DisplayName("recv delegates to input.readDirect and returns its value")
    void testRecvDelegation() throws Exception {
        SmbPipeHandleImpl spyTarget = spy(target);
        SmbPipeInputStream in = mock(SmbPipeInputStream.class);

            Field maxRecvField = DcerpcBind.class.getDeclaredField("max_recv");
            maxRecvField.setAccessible(true);
            assertEquals(maxRecv, maxRecvField.get(bindWithParams), "Max recv should be set");
        }

        @Test
        @DisplayName("Package constructor should handle null binding")
        void testPackageConstructorWithNullBinding() throws Exception {
            // Given

            final SmbPipeInputStream in = getInput();
            out.write(buf, off, length);
            return in.read(inB);
        }
    }

    @Override
    public int recv(final byte[] buf, final int off, final int len) throws IOException {
        return getInput().readDirect(buf, off, len);

    }

    @Override

                    log.trace("Remote closed connection");
                } else if (timeout) {
                    log.debug("socket timeout in non peek state", ex);
                } else {
                    log.debug("recv failed", ex);
                }

                synchronized (this) {
                    try {
                        disconnect(!timeout, false);
                    } catch (final IOException ioe) {

            return false;
        }

        EncryptionNegotiateContext rec = null;
        for (final NegotiateContextRequest rnc : req.getNegotiateContexts()) {
            if (rnc instanceof EncryptionNegotiateContext) {
                rec = (EncryptionNegotiateContext) rnc;
            }
        }
        if (rec == null) {
            return false;
        }

        boolean valid = false;