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jukkarnashif
jukkar
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nashif
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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: Jukka Rissanen <jukka.rissanen@linux.intel.com>
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‎tests/subsys/can/frame/CMakeLists.txt‎

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cmake_minimum_required(VERSION 3.13.1)
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include($ENV{ZEPHYR_BASE}/cmake/app/boilerplate.cmake NO_POLICY_SCOPE)
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project(can_frame)
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FILE(GLOB app_sources src/*.c)
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target_sources(app PRIVATE ${app_sources})

‎tests/subsys/can/frame/prj.conf‎

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CONFIG_ZTEST=y
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CONFIG_LOG=y
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CONFIG_LOG_IMMEDIATE=y

‎tests/subsys/can/frame/src/main.c‎

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/* main.c - Application main entry point */
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/*
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* Copyright (c) 2019 Intel Corporation
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <logging/log.h>
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LOG_MODULE_REGISTER(can_test, LOG_LEVEL_ERR);
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#include <zephyr/types.h>
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#include <stddef.h>
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#include <string.h>
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#include <can.h>
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#include <ztest.h>
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static void test_can_frame_to_msg(void)
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{
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struct can_frame frame = { 0 };
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struct can_msg expected = { 0 };
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struct can_msg msg;
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const u8_t data[CAN_MAX_DLEN] = { 0x01, 0x02, 0x03, 0x04,
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0x05, 0x06, 0x07, 0x08 };
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frame.can_id = BIT(31) | BIT(30) | 1234;
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frame.can_dlc = sizeof(data);
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memcpy(frame.data, data, sizeof(frame.data));
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expected.rtr = 1;
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expected.id_type = 1;
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expected.std_id = 1234;
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expected.dlc = sizeof(data);
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can_copy_frame_to_msg(&frame, &msg);
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LOG_HEXDUMP_DBG((const u8_t *)&frame, sizeof(frame), "frame");
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LOG_HEXDUMP_DBG((const u8_t *)&msg, sizeof(msg), "msg");
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LOG_HEXDUMP_DBG((const u8_t *)&expected, sizeof(expected), "expected");
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zassert_equal(msg.rtr, expected.rtr, "RTR bit not set");
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zassert_equal(msg.id_type, expected.id_type, "Id-type bit not set");
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zassert_equal(msg.std_id, expected.std_id, "Std CAN id invalid");
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zassert_equal(msg.dlc, expected.dlc, "Msg length invalid");
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}
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static void test_can_msg_to_frame(void)
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{
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struct can_frame frame = { 0 };
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struct can_frame expected = { 0 };
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struct can_msg msg = { 0 };
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const u8_t data[CAN_MAX_DLEN] = { 0x01, 0x02, 0x03, 0x04,
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0x05, 0x06, 0x07, 0x08 };
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expected.can_id = BIT(31) | BIT(30) | 1234;
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expected.can_dlc = sizeof(data);
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memcpy(expected.data, data, sizeof(expected.data));
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msg.rtr = 1;
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msg.id_type = 1;
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msg.std_id = 1234;
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msg.dlc = sizeof(data);
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memcpy(msg.data, data, sizeof(data));
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can_copy_msg_to_frame(&msg, &frame);
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LOG_HEXDUMP_DBG((const u8_t *)&frame, sizeof(frame), "frame");
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LOG_HEXDUMP_DBG((const u8_t *)&msg, sizeof(msg), "msg");
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LOG_HEXDUMP_DBG((const u8_t *)&expected, sizeof(expected), "expected");
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zassert_mem_equal(&frame.can_id, &expected.can_id, sizeof(frame.can_id),
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"CAN ID not same");
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zassert_mem_equal(&frame.data, &expected.data, sizeof(frame.data),
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"CAN data not same");
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zassert_equal(frame.can_dlc, expected.can_dlc,
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"CAN msg length not same");
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}
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static void test_can_filter_to_msg_filter(void)
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{
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struct can_filter filter = { 0 };
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struct can_msg_filter expected = { 0 };
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struct can_msg_filter msg_filter = { 0 };
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filter.can_id = BIT(31) | BIT(30) | 1234;
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filter.can_mask = BIT(31) | BIT(30) | 1234;
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expected.rtr = 1;
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expected.id_type = 1;
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expected.std_id = 1234;
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expected.rtr_mask = 1;
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expected.std_id_mask = 1234;
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can_copy_filter_to_msg_filter(&filter, &msg_filter);
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LOG_HEXDUMP_DBG((const u8_t *)&msg_filter, sizeof(msg_filter),
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"msg_filter");
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LOG_HEXDUMP_DBG((const u8_t *)&filter, sizeof(filter), "filter");
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LOG_HEXDUMP_DBG((const u8_t *)&expected, sizeof(expected), "expected");
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zassert_equal(msg_filter.rtr, expected.rtr, "RTR bit not set");
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zassert_equal(msg_filter.id_type, expected.id_type,
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"Id-type bit not set");
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zassert_equal(msg_filter.std_id, expected.std_id,
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"Std CAN id invalid");
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zassert_equal(msg_filter.rtr_mask, expected.rtr_mask,
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"RTR mask bit not set");
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zassert_equal(msg_filter.std_id_mask, expected.std_id_mask,
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"Std id mask not set");
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}
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static void test_can_msg_filter_to_filter(void)
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{
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struct can_filter filter = { 0 };
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struct can_filter expected = { 0 };
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struct can_msg_filter msg_filter = { 0 };
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expected.can_id = BIT(31) | BIT(30) | 1234;
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expected.can_mask = BIT(31) | BIT(30) | 1234;
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msg_filter.rtr = 1;
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msg_filter.id_type = 1;
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msg_filter.std_id = 1234;
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msg_filter.rtr_mask = 1;
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msg_filter.std_id_mask = 1234;
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can_copy_msg_filter_to_filter(&msg_filter, &filter);
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LOG_HEXDUMP_DBG((const u8_t *)&msg_filter, sizeof(msg_filter),
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"msg_filter");
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LOG_HEXDUMP_DBG((const u8_t *)&filter, sizeof(filter), "filter");
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LOG_HEXDUMP_DBG((const u8_t *)&expected, sizeof(expected), "expected");
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zassert_mem_equal(&filter.can_id, &expected.can_id,
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sizeof(filter.can_id), "CAN ID not same");
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zassert_mem_equal(&filter.can_mask, &expected.can_mask,
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sizeof(filter.can_mask), "CAN mask not same");
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}
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void test_main(void)
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{
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ztest_test_suite(test_can_frame,
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ztest_unit_test(test_can_frame_to_msg),
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ztest_unit_test(test_can_msg_to_frame),
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ztest_unit_test(test_can_filter_to_msg_filter),
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ztest_unit_test(test_can_msg_filter_to_filter));
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ztest_run_test_suite(test_can_frame);
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}

‎tests/subsys/can/frame/testcase.yaml‎

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common:
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platform_whitelist: native_posix qemu_x86 qemu_cortex_m3
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tests:
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can.frame:
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tags: net

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