fsfw/unittest/tests/serialize/TestSerialLinkedPacket.cpp
2020-10-28 22:34:41 +01:00

74 lines
2.5 KiB
C++

#include <fsfw/globalfunctions/arrayprinter.h>
#include <catch2/catch.hpp>
#include "../../core/CatchDefinitions.h"
#include "TestSerialLinkedPacket.h"
TEST_CASE("Serial Linked Packet" , "[SerLinkPacket]") {
// perform set-up here
uint32_t header = 42;
std::array<uint8_t, 3> testArray {1,2,3};
uint32_t tail = 96;
size_t packetMaxSize = 256;
uint8_t packet [packetMaxSize] = {};
size_t packetLen = 0;
SECTION("Test Deserialization with Serial Buffer Adapter.") {
// This is a serialization of a packet, made "manually".
// We generate a packet which store data big-endian by swapping some
// values. (like coming from ground).
header = EndianConverter::convertBigEndian(header);
std::memcpy(packet, &header, sizeof(header));
packetLen += sizeof(header);
std::copy(testArray.data(), testArray.data() + testArray.size(),
packet + packetLen);
packetLen += testArray.size();
tail = EndianConverter::convertBigEndian(tail);
std::memcpy(packet + packetLen, &tail, sizeof(tail));
packetLen += sizeof(tail);
//arrayprinter::print(packet, packetLen, OutputType::DEC);
// This is the buffer which will be filled when testClass.deSerialize
// is called.
std::array<uint8_t, 3> bufferAdaptee = {};
TestPacket testClass(packet, packetLen, bufferAdaptee.data(),
bufferAdaptee.size());
const uint8_t* readOnlyPointer = packet;
// Deserialize big endian packet by setting bigEndian to true.
ReturnValue_t result = testClass.deSerialize(&readOnlyPointer,
&packetLen, SerializeIF::Endianness::BIG);
REQUIRE(result == retval::CATCH_OK);
CHECK(testClass.getHeader() == 42);
// Equivalent check.
// CHECK(testClass.getBuffer()[0] == 1);
CHECK(bufferAdaptee[0] == 1);
CHECK(bufferAdaptee[1] == 2);
CHECK(bufferAdaptee[2] == 3);
CHECK(testClass.getTail() == 96);
}
SECTION("Test Serialization") {
// Same process as performed in setup, this time using the class
// instead of doing it manually.
TestPacket testClass(header, tail, testArray.data(), testArray.size());
size_t serializedSize = 0;
uint8_t* packetPointer = packet;
// serialize for ground: bigEndian = true.
ReturnValue_t result = testClass.serialize(&packetPointer,
&serializedSize, packetMaxSize, SerializeIF::Endianness::BIG);
REQUIRE(result == retval::CATCH_OK);
// Result should be big endian now.
CHECK(packet[3] == 42);
CHECK(packet[4] == 1);
CHECK(packet[5] == 2);
CHECK(packet[6] == 3);
CHECK(packet[10] == 96);
}
// perform tear-down here
}