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dreamDeckAutopilot/sensors/ros_canopen-melodic/socketcan_bridge/test/test_conversion.cpp
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2026-07-27 13:51:19 +08:00

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4.1 KiB
C++

/*
* Copyright (c) 2016, Ivor Wanders
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <socketcan_bridge/topic_to_socketcan.h>
#include <socketcan_bridge/socketcan_to_topic.h>
#include <can_msgs/Frame.h>
#include <socketcan_interface/socketcan.h>
// Bring in gtest
#include <gtest/gtest.h>
// test whether the content of a conversion from a SocketCAN frame
// to a ROS message correctly maintains the data.
TEST(ConversionTest, socketCANToTopicStandard)
{
can::Frame f;
can_msgs::Frame m;
f.id = 127;
f.dlc = 8;
f.is_error = false;
f.is_rtr = false;
f.is_extended = false;
for (uint8_t i = 0; i < f.dlc; ++i)
{
f.data[i] = i;
}
socketcan_bridge::convertSocketCANToMessage(f, m);
EXPECT_EQ(127, m.id);
EXPECT_EQ(8, m.dlc);
EXPECT_EQ(false, m.is_error);
EXPECT_EQ(false, m.is_rtr);
EXPECT_EQ(false, m.is_extended);
for (uint8_t i=0; i < 8; i++)
{
EXPECT_EQ(i, m.data[i]);
}
}
// test all three flags seperately.
TEST(ConversionTest, socketCANToTopicFlags)
{
can::Frame f;
can_msgs::Frame m;
f.is_error = true;
socketcan_bridge::convertSocketCANToMessage(f, m);
EXPECT_EQ(true, m.is_error);
f.is_error = false;
f.is_rtr = true;
socketcan_bridge::convertSocketCANToMessage(f, m);
EXPECT_EQ(true, m.is_rtr);
f.is_rtr = false;
f.is_extended = true;
socketcan_bridge::convertSocketCANToMessage(f, m);
EXPECT_EQ(true, m.is_extended);
f.is_extended = false;
}
// idem, but the other way around.
TEST(ConversionTest, topicToSocketCANStandard)
{
can::Frame f;
can_msgs::Frame m;
m.id = 127;
m.dlc = 8;
m.is_error = false;
m.is_rtr = false;
m.is_extended = false;
for (uint8_t i = 0; i < m.dlc; ++i)
{
m.data[i] = i;
}
socketcan_bridge::convertMessageToSocketCAN(m, f);
EXPECT_EQ(127, f.id);
EXPECT_EQ(8, f.dlc);
EXPECT_EQ(false, f.is_error);
EXPECT_EQ(false, f.is_rtr);
EXPECT_EQ(false, f.is_extended);
for (uint8_t i=0; i < 8; i++)
{
EXPECT_EQ(i, f.data[i]);
}
}
TEST(ConversionTest, topicToSocketCANFlags)
{
can::Frame f;
can_msgs::Frame m;
m.is_error = true;
socketcan_bridge::convertMessageToSocketCAN(m, f);
EXPECT_EQ(true, f.is_error);
m.is_error = false;
m.is_rtr = true;
socketcan_bridge::convertMessageToSocketCAN(m, f);
EXPECT_EQ(true, f.is_rtr);
m.is_rtr = false;
m.is_extended = true;
socketcan_bridge::convertMessageToSocketCAN(m, f);
EXPECT_EQ(true, f.is_extended);
m.is_extended = false;
}
// Run all the tests that were declared with TEST()
int main(int argc, char **argv)
{
testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}