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MicrOBU/obu-firmware/external/vanetza-idf/vanetza/geonet/tests/position_vector.cpp
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#include <gtest/gtest.h>
#include <vanetza/geonet/position_vector.hpp>
#include <vanetza/geonet/serialization_buffer.hpp>
#include <vanetza/units/angle.hpp>
using vanetza::ByteBuffer;
using vanetza::MacAddress;
using namespace vanetza::geonet;
using vanetza::units::degree;
TEST(PositionVector, lpv_serialization)
{
LongPositionVector lpv1;
lpv1.gn_addr.is_manually_configured(true);
lpv1.gn_addr.station_type(StationType::Motorcycle);
lpv1.gn_addr.country_code(0x0333);
lpv1.gn_addr.mid(MacAddress { 1, 2, 3, 0xa, 0xb, 0xc });
lpv1.timestamp += 4321 * Timestamp::millisecond();
lpv1.latitude = geo_angle_i32t::from_value(0x1234);
lpv1.longitude = geo_angle_i32t::from_value(0xabcd);
lpv1.position_accuracy_indicator = false;
lpv1.speed = LongPositionVector::speed_u15t::from_value(12345);
lpv1.heading.from_value(0xef);
ByteBuffer buffer;
serialize_into_buffer(lpv1, buffer);
EXPECT_EQ(LongPositionVector::length_bytes, buffer.size());
LongPositionVector lpv2;
deserialize_from_buffer(lpv2, buffer);
EXPECT_EQ(lpv1.gn_addr, lpv2.gn_addr);
EXPECT_EQ(lpv1, lpv2);
}
TEST(PositionVector, zero_initialized)
{
// "At start-up, all data elements of the LPV shall be initialized
// with 0 to indicate an unknown value." (EN 302 636-4-1 V1.2.0)
LongPositionVector lpv;
EXPECT_TRUE(is_empty(lpv));
ByteBuffer buffer;
serialize_into_buffer(lpv, buffer);
ByteBuffer zero;
zero.assign(LongPositionVector::length_bytes, 0x00);
EXPECT_EQ(zero, buffer);
}
TEST(PositionVector, is_valid)
{
LongPositionVector lpv;
EXPECT_FALSE(is_valid(lpv));
lpv.latitude = geo_angle_i32t { 30.0 * degree };
EXPECT_TRUE(is_valid(lpv));
lpv.heading = heading_u16t { 361.0 * degree };
EXPECT_FALSE(is_valid(lpv));
lpv.heading = heading_u16t { 180.0 * degree };
EXPECT_TRUE(is_valid(lpv));
lpv.latitude = geo_angle_i32t { -91.0 * degree };
EXPECT_FALSE(is_valid(lpv));
lpv.latitude = geo_angle_i32t::from_value(0);
lpv.longitude = geo_angle_i32t { 175.0 * degree };
EXPECT_TRUE(is_valid(lpv));
lpv.longitude = geo_angle_i32t { 185.0 * degree };
EXPECT_FALSE(is_valid(lpv));
}