346 	zassert_true(ret == (sizeof(cmux_frame_data_dlci2_at_cgdcont) +  in ZTEST()
350 	zassert_true(memcmp(buffer2, cmux_frame_data_dlci2_at_cgdcont,  in ZTEST()
354 	zassert_true(memcmp(&buffer2[sizeof(cmux_frame_data_dlci2_at_cgdcont)],  in ZTEST()
376 	zassert_true(ret == (sizeof(cmux_frame_data_dlci1_at_at) +  in ZTEST()
380 	zassert_true(memcmp(buffer1, cmux_frame_data_dlci1_at_at,  in ZTEST()
384 	zassert_true(memcmp(&buffer1[sizeof(cmux_frame_data_dlci1_at_at)],  in ZTEST()
405 	zassert_true(ret == (sizeof(cmux_frame_data_dlci2_ppp_52) +  in ZTEST()
409 	zassert_true(memcmp(buffer2, cmux_frame_data_dlci2_ppp_52,  in ZTEST()
413 	zassert_true(memcmp(&buffer2[sizeof(cmux_frame_data_dlci2_ppp_52)],  in ZTEST()
426 	zassert_true(ret == sizeof(cmux_frame_data_dlci2_ppp_52), "Failed to send DLCI2 PPP 52");  in ZTEST()
436 	zassert_true(ret == sizeof(cmux_frame_data_dlci2_ppp_18), "Failed to send DLCI2 PPP 18");  in ZTEST()
443 	zassert_true(ret == (sizeof(cmux_frame_dlci2_ppp_52) + sizeof(cmux_frame_dlci2_ppp_18)),  in ZTEST()
461 	zassert_true(ret == (sizeof(cmux_frame_data_dlci1_at_at) +  in ZTEST()
465 	zassert_true(memcmp(buffer1, cmux_frame_data_dlci1_at_at,  in ZTEST()
469 	zassert_true(memcmp(&buffer1[sizeof(cmux_frame_data_dlci1_at_at)],  in ZTEST()
485 	zassert_true(ret == sizeof(cmux_frame_control_fcoff_ack),  in ZTEST()
488 	zassert_true(memcmp(buffer1, cmux_frame_control_fcoff_ack,  in ZTEST()
495 	zassert_true(ret == 0, "Failed to block transmit while flow control is off");  in ZTEST()
498 	zassert_true(ret == 0, "FCOFF failed to prevent transmission of data");  in ZTEST()
505 	zassert_true(ret == sizeof(cmux_frame_control_fcon_ack),  in ZTEST()
508 	zassert_true(memcmp(buffer1, cmux_frame_control_fcon_ack,  in ZTEST()
515 	zassert_true(ret == sizeof(cmux_frame_data_dlci2_ppp_52),  in ZTEST()
521 	zassert_true(ret == sizeof(cmux_frame_dlci2_ppp_52),  in ZTEST()
524 	zassert_true(memcmp(buffer1, cmux_frame_dlci2_ppp_52,  in ZTEST()
539 	zassert_true(ret == sizeof(cmux_frame_control_msc_ack),  in ZTEST()
542 	zassert_true(memcmp(buffer1, cmux_frame_control_msc_ack,  in ZTEST()
553 	zassert_true(modem_pipe_close_async(dlci1_pipe) == 0, "Failed to close DLCI1 pipe");  in ZTEST()
558 	zassert_true(ret == sizeof(cmux_frame_dlci1_disc_cmd),  in ZTEST()
561 	zassert_true(memcmp(buffer1, cmux_frame_dlci1_disc_cmd,  in ZTEST()
571 	zassert_true((events & EVENT_CMUX_DLCI1_CLOSED),  in ZTEST()
578 	zassert_true(ret == 0, "Received unexpected data");  in ZTEST()
581 	zassert_true(modem_pipe_open_async(dlci1_pipe) == 0, "Failed to open DLCI1 pipe");  in ZTEST()
586 	zassert_true(ret == sizeof(cmux_frame_dlci1_sabm_cmd),  in ZTEST()
589 	zassert_true(memcmp(buffer1, cmux_frame_dlci1_sabm_cmd,  in ZTEST()
599 	zassert_true((events & EVENT_CMUX_DLCI1_OPEN),  in ZTEST()
606 	zassert_true(ret == 0, "Received unexpected data");  in ZTEST()
615 	zassert_true(modem_pipe_close_async(dlci1_pipe) == 0, "Failed to close DLCI1");  in ZTEST()
616 	zassert_true(modem_pipe_close_async(dlci2_pipe) == 0, "Failed to close DLCI2");  in ZTEST()
627 	zassert_true((events & EVENT_CMUX_DLCI1_CLOSED), "Failed to close DLCI1");  in ZTEST()
628 	zassert_true((events & EVENT_CMUX_DLCI2_CLOSED), "Failed to close DLCI2");  in ZTEST()
632 	zassert_true(modem_cmux_disconnect_async(&cmux) == 0, "Failed to disconnect CMUX");  in ZTEST()
638 	zassert_true(ret == sizeof(cmux_frame_control_cld_cmd),  in ZTEST()
641 	zassert_true(memcmp(buffer1, cmux_frame_control_cld_cmd,  in ZTEST()
649 	zassert_true((events & EVENT_CMUX_DISCONNECTED), "Failed to disconnect CMUX");  in ZTEST()
655 	zassert_true(ret == 0, "Received unexpected data");  in ZTEST()
658 	zassert_true(modem_cmux_connect_async(&cmux) == 0, "Failed to connect CMUX");  in ZTEST()
663 	zassert_true(ret == sizeof(cmux_frame_control_sabm_cmd),  in ZTEST()
666 	zassert_true(memcmp(buffer1, cmux_frame_control_sabm_cmd,  in ZTEST()
674 	zassert_true((events & EVENT_CMUX_CONNECTED), "Failed to connect CMUX");  in ZTEST()
680 	zassert_true(ret == 0, "Received unexpected data");  in ZTEST()
683 	zassert_true(modem_pipe_open_async(dlci1_pipe) == 0, "Failed to open DLCI1 pipe");  in ZTEST()
688 	zassert_true(ret == sizeof(cmux_frame_dlci1_sabm_cmd),  in ZTEST()
691 	zassert_true(memcmp(buffer1, cmux_frame_dlci1_sabm_cmd,  in ZTEST()
701 	zassert_true((events & EVENT_CMUX_DLCI1_OPEN),  in ZTEST()
708 	zassert_true(ret == 0, "Received unexpected data");  in ZTEST()
711 	zassert_true(modem_pipe_open_async(dlci2_pipe) == 0, "Failed to open DLCI2 pipe");  in ZTEST()
716 	zassert_true(ret == sizeof(cmux_frame_dlci2_sabm_cmd),  in ZTEST()
719 	zassert_true(memcmp(buffer1, cmux_frame_dlci2_sabm_cmd,  in ZTEST()
729 	zassert_true((events & EVENT_CMUX_DLCI2_OPEN),  in ZTEST()
736 	zassert_true(ret == 0, "Received unexpected data");  in ZTEST()
742 	zassert_true(modem_pipe_close(dlci1_pipe, K_SECONDS(10)) == 0, "Failed to close DLCI1");  in ZTEST()
744 	zassert_true(modem_pipe_close(dlci2_pipe, K_SECONDS(10)) == 0, "Failed to close DLCI2");  in ZTEST()
746 	zassert_true(modem_cmux_disconnect(&cmux) == 0, "Failed to disconnect CMUX");  in ZTEST()
747 	zassert_true(modem_cmux_disconnect(&cmux) == -EALREADY,  in ZTEST()
751 	zassert_true(modem_cmux_connect(&cmux) == 0, "Failed to connect CMUX");  in ZTEST()
752 	zassert_true(modem_cmux_connect(&cmux) == -EALREADY,  in ZTEST()
756 	zassert_true(modem_pipe_open(dlci1_pipe, K_SECONDS(10)) == 0,  in ZTEST()
759 	zassert_true(modem_pipe_open(dlci2_pipe, K_SECONDS(10)) == 0,  in ZTEST()
766 	zassert_true(modem_pipe_close(dlci1_pipe, K_SECONDS(10)) == 0, "Failed to close DLCI1");  in ZTEST()
768 	zassert_true(modem_pipe_close(dlci2_pipe, K_SECONDS(10)) == 0, "Failed to close DLCI2");  in ZTEST()
770 	zassert_true(modem_pipe_open(dlci1_pipe, K_SECONDS(10)) == 0,  in ZTEST()
773 	zassert_true(modem_pipe_open(dlci2_pipe, K_SECONDS(10)) == 0,  in ZTEST()
793 	zassert_true(modem_backend_mock_get(&bus_mock, buffer1, sizeof(buffer1)) > 0);  in ZTEST()
799 	zassert_true(modem_backend_mock_get(&bus_mock, buffer1, sizeof(buffer1)) == 0);  in ZTEST()
813 	zassert_true(modem_backend_mock_get(&bus_mock, buffer1, sizeof(buffer1)) == 0);  in ZTEST()
853 	zassert_true(ret == (sizeof(cmux_frame_data_dlci2_at_cgdcont) +  in ZTEST()
857 	zassert_true(memcmp(buffer2, cmux_frame_data_dlci2_at_cgdcont,  in ZTEST()
861 	zassert_true(memcmp(&buffer2[sizeof(cmux_frame_data_dlci2_at_cgdcont)],  in ZTEST()