verify(mockOut).write(eq(buf), eq(2), eq(4));
        verify(mockIn).read(eq(recv));
    }

    @Test
    @DisplayName("recv delegates to input.readDirect with args")
    void recv_delegates_readDirect() throws Exception {
        SmbPipeHandleImpl handle = newHandleWithBasicStubs(0, "\\\\pipe\\\\y");

        // Mock the stream directly
        SmbPipeInputStream mockIn = mock(SmbPipeInputStream.class);