Commit 14d40233 authored by Jukka Rissanen's avatar Jukka Rissanen Committed by Anas Nashif
Browse files

tests: can: Add CAN frame struct handling tests 



Make sure that can_copy_*() functions work as expected.
These functions are used by SocketCAN support.

Signed-off-by: default avatarJukka Rissanen <jukka.rissanen@linux.intel.com>
parent 58f3ae53

tests/subsys/can/frame/CMakeLists.txt

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cmake_minimum_required(VERSION 3.13.1)

include($ENV{ZEPHYR_BASE}/cmake/app/boilerplate.cmake NO_POLICY_SCOPE)

project(can_frame)



FILE(GLOB app_sources src/*.c)

target_sources(app PRIVATE ${app_sources})

tests/subsys/can/frame/prj.conf

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CONFIG_ZTEST=y

CONFIG_LOG=y

CONFIG_LOG_IMMEDIATE=y

tests/subsys/can/frame/src/main.c

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/* main.c - Application main entry point */



/*

 * Copyright (c) 2019 Intel Corporation

 *

 * SPDX-License-Identifier: Apache-2.0

 */



#include <logging/log.h>

LOG_MODULE_REGISTER(can_test, LOG_LEVEL_ERR);



#include <zephyr/types.h>

#include <stddef.h>

#include <string.h>

#include <can.h>



#include <ztest.h>



static void test_can_frame_to_msg(void)

{

	struct can_frame frame = { 0 };

	struct can_msg expected = { 0 };

	struct can_msg msg;

	const u8_t data[CAN_MAX_DLEN] = { 0x01, 0x02, 0x03, 0x04,

					  0x05, 0x06, 0x07, 0x08 };



	frame.can_id = BIT(31) | BIT(30) | 1234;

	frame.can_dlc = sizeof(data);

	memcpy(frame.data, data, sizeof(frame.data));



	expected.rtr = 1;

	expected.id_type = 1;

	expected.std_id = 1234;

	expected.dlc = sizeof(data);



	can_copy_frame_to_msg(&frame, &msg);



	LOG_HEXDUMP_DBG((const u8_t *)&frame, sizeof(frame), "frame");

	LOG_HEXDUMP_DBG((const u8_t *)&msg, sizeof(msg), "msg");

	LOG_HEXDUMP_DBG((const u8_t *)&expected, sizeof(expected), "expected");



	zassert_equal(msg.rtr, expected.rtr, "RTR bit not set");

	zassert_equal(msg.id_type, expected.id_type, "Id-type bit not set");

	zassert_equal(msg.std_id, expected.std_id, "Std CAN id invalid");

	zassert_equal(msg.dlc, expected.dlc, "Msg length invalid");

}



static void test_can_msg_to_frame(void)

{

	struct can_frame frame = { 0 };

	struct can_frame expected = { 0 };

	struct can_msg msg = { 0 };

	const u8_t data[CAN_MAX_DLEN] = { 0x01, 0x02, 0x03, 0x04,

					  0x05, 0x06, 0x07, 0x08 };



	expected.can_id = BIT(31) | BIT(30) | 1234;

	expected.can_dlc = sizeof(data);

	memcpy(expected.data, data, sizeof(expected.data));



	msg.rtr = 1;

	msg.id_type = 1;

	msg.std_id = 1234;

	msg.dlc = sizeof(data);

	memcpy(msg.data, data, sizeof(data));



	can_copy_msg_to_frame(&msg, &frame);



	LOG_HEXDUMP_DBG((const u8_t *)&frame, sizeof(frame), "frame");

	LOG_HEXDUMP_DBG((const u8_t *)&msg, sizeof(msg), "msg");

	LOG_HEXDUMP_DBG((const u8_t *)&expected, sizeof(expected), "expected");



	zassert_mem_equal(&frame.can_id, &expected.can_id, sizeof(frame.can_id),

			  "CAN ID not same");

	zassert_mem_equal(&frame.data, &expected.data, sizeof(frame.data),

			  "CAN data not same");

	zassert_equal(frame.can_dlc, expected.can_dlc,

		      "CAN msg length not same");

}



static void test_can_filter_to_msg_filter(void)

{

	struct can_filter filter = { 0 };

	struct can_msg_filter expected = { 0 };

	struct can_msg_filter msg_filter = { 0 };



	filter.can_id = BIT(31) | BIT(30) | 1234;

	filter.can_mask = BIT(31) | BIT(30) | 1234;



	expected.rtr = 1;

	expected.id_type = 1;

	expected.std_id = 1234;

	expected.rtr_mask = 1;

	expected.std_id_mask = 1234;



	can_copy_filter_to_msg_filter(&filter, &msg_filter);



	LOG_HEXDUMP_DBG((const u8_t *)&msg_filter, sizeof(msg_filter),

			"msg_filter");

	LOG_HEXDUMP_DBG((const u8_t *)&filter, sizeof(filter), "filter");

	LOG_HEXDUMP_DBG((const u8_t *)&expected, sizeof(expected), "expected");



	zassert_equal(msg_filter.rtr, expected.rtr, "RTR bit not set");

	zassert_equal(msg_filter.id_type, expected.id_type,

		      "Id-type bit not set");

	zassert_equal(msg_filter.std_id, expected.std_id,

		      "Std CAN id invalid");

	zassert_equal(msg_filter.rtr_mask, expected.rtr_mask,

		      "RTR mask bit not set");

	zassert_equal(msg_filter.std_id_mask, expected.std_id_mask,

		      "Std id mask not set");

}



static void test_can_msg_filter_to_filter(void)

{

	struct can_filter filter = { 0 };

	struct can_filter expected = { 0 };

	struct can_msg_filter msg_filter = { 0 };



	expected.can_id = BIT(31) | BIT(30) | 1234;

	expected.can_mask = BIT(31) | BIT(30) | 1234;



	msg_filter.rtr = 1;

	msg_filter.id_type = 1;

	msg_filter.std_id = 1234;

	msg_filter.rtr_mask = 1;

	msg_filter.std_id_mask = 1234;



	can_copy_msg_filter_to_filter(&msg_filter, &filter);



	LOG_HEXDUMP_DBG((const u8_t *)&msg_filter, sizeof(msg_filter),

			"msg_filter");

	LOG_HEXDUMP_DBG((const u8_t *)&filter, sizeof(filter), "filter");

	LOG_HEXDUMP_DBG((const u8_t *)&expected, sizeof(expected), "expected");



	zassert_mem_equal(&filter.can_id, &expected.can_id,

			  sizeof(filter.can_id), "CAN ID not same");

	zassert_mem_equal(&filter.can_mask, &expected.can_mask,

			  sizeof(filter.can_mask), "CAN mask not same");

}



void test_main(void)

{

	ztest_test_suite(test_can_frame,

			 ztest_unit_test(test_can_frame_to_msg),

			 ztest_unit_test(test_can_msg_to_frame),

			 ztest_unit_test(test_can_filter_to_msg_filter),

			 ztest_unit_test(test_can_msg_filter_to_filter));



	ztest_run_test_suite(test_can_frame);

}

tests/subsys/can/frame/testcase.yaml

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common:

  platform_whitelist: native_posix qemu_x86 qemu_cortex_m3

tests:

  can.frame:

    tags: net

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