assertTrue(ex.getMessage().contains("Pipe handle already closed"));
    }

    @Test
    @DisplayName("sendrecv uses SMB2 ioctl when tree is SMB2")
    void sendrecv_smb2_ioctl() throws Exception {
        // Arrange
        SmbPipeHandleImpl handle = newHandleWithBasicStubs(0, "\\\\pipe\\\\x");

        // Setup the tree handle properly