118 lines
4.3 KiB
C++
118 lines
4.3 KiB
C++
#include <array>
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#include <catch2/catch_test_macros.hpp>
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#include <cmath>
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#include "fsfw/tmtcpacket/ccsds/SpacePacketCreator.h"
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TEST_CASE("CCSDS Creator", "[ccsds-creator]") {
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auto packetId = PacketId(ccsds::PacketType::TC, true, 0x02);
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auto psc = PacketSeqCtrl(ccsds::SequenceFlags::FIRST_SEGMENT, 0x34);
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auto params = SpacePacketParams(packetId, psc, 0x16);
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SpacePacketCreator base = SpacePacketCreator(params);
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std::array<uint8_t, 6> buf{};
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uint8_t* bufPtr = buf.data();
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size_t serLen = 0;
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SECTION("Constexpr Helpers") {
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REQUIRE(ccsds::getTcSpacePacketIdFromApid(0x22) == 0x1822);
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REQUIRE(ccsds::getTmSpacePacketIdFromApid(0x22) == 0x0822);
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REQUIRE(ccsds::getTcSpacePacketIdFromApid(0x7ff) == 0x1fff);
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REQUIRE(ccsds::getTmSpacePacketIdFromApid(0x7ff) == 0xfff);
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}
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SECTION("Basic Test") {
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CHECK(base.isValid());
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CHECK(base);
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CHECK(base.getApid() == 0x02);
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CHECK(base.getSequenceFlags() == ccsds::SequenceFlags::FIRST_SEGMENT);
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CHECK(base.getVersion() == 0b000);
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CHECK(base.getSequenceCount() == 0x34);
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CHECK(base.getPacketDataLen() == 0x16);
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CHECK(base.getPacketType() == ccsds::PacketType::TC);
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CHECK(base.getPacketIdRaw() == 0x1802);
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CHECK(base.getSerializedSize() == 6);
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CHECK(base.getPacketSeqCtrl() == psc);
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CHECK(base.getPacketId() == packetId);
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}
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SECTION("Deserialization Fails") {
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serLen = 6;
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const uint8_t* readOnlyPtr = buf.data();
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SerializeIF& ser = dynamic_cast<SerializeIF&>(base);
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REQUIRE(ser.deSerialize(&readOnlyPtr, &serLen, SerializeIF::Endianness::BIG) ==
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HasReturnvaluesIF::RETURN_FAILED);
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}
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SECTION("Raw Output") {
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REQUIRE(base.serializeBe(&bufPtr, &serLen, buf.size()) == HasReturnvaluesIF::RETURN_OK);
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// TC, and secondary header flag is set -> 0b0001100 -> 0x18
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CHECK(buf[0] == 0x18);
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// APID 0x02
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CHECK(buf[1] == 0x02);
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// Sequence count is one byte value, so the only set bit here is the bit
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// from the Sequence flag argument, which is the second bit for
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// SequenceFlags.FIRST_SEGMENT
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CHECK(buf[2] == 0x40);
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// Sequence Count specified above
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CHECK(buf[3] == 0x34);
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// This byte and the next byte should be 22 big endian (packet length)
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CHECK(buf[4] == 0x00);
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CHECK(buf[5] == 0x16);
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}
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SECTION("All Ones Output") {
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base.setApid(static_cast<int>(std::pow(2, 11)) - 1);
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base.setSeqCount(static_cast<int>(std::pow(2, 14)) - 1);
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base.setSeqFlags(ccsds::SequenceFlags::UNSEGMENTED);
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base.setDataLenField(static_cast<int>(std::pow(2, 16)) - 1);
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REQUIRE(base.isValid());
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REQUIRE(base.serializeBe(&bufPtr, &serLen, buf.size()) == HasReturnvaluesIF::RETURN_OK);
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CHECK(buf[0] == 0x1F);
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CHECK(buf[1] == 0xFF);
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CHECK(buf[2] == 0xFF);
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CHECK(buf[3] == 0xFF);
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CHECK(buf[4] == 0xFF);
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CHECK(buf[5] == 0xFF);
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}
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SECTION("Setting data length 0 is ignored") {
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SpacePacketCreator creator = SpacePacketCreator(
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ccsds::PacketType::TC, true, 0xFFFF, ccsds::SequenceFlags::FIRST_SEGMENT, 0x34, 0x22);
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creator.setCcsdsLenFromTotalDataFieldLen(0);
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REQUIRE(creator.getPacketDataLen() == 0x22);
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creator.setCcsdsLenFromTotalDataFieldLen(1);
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REQUIRE(creator.getPacketDataLen() == 0x00);
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}
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SECTION("Invalid APID") {
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SpacePacketCreator creator = SpacePacketCreator(
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ccsds::PacketType::TC, true, 0xFFFF, ccsds::SequenceFlags::FIRST_SEGMENT, 0x34, 0x16);
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REQUIRE(not creator.isValid());
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REQUIRE(not creator);
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REQUIRE(creator.serializeBe(&bufPtr, &serLen, buf.size()) == HasReturnvaluesIF::RETURN_FAILED);
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}
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SECTION("Invalid Seq Count") {
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SpacePacketCreator invalid = SpacePacketCreator(
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ccsds::PacketType::TC, true, 0x02, ccsds::SequenceFlags::FIRST_SEGMENT, 0xFFFF, 0x16);
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REQUIRE(not invalid.isValid());
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REQUIRE(invalid.serializeBe(&bufPtr, &serLen, buf.size()) == HasReturnvaluesIF::RETURN_FAILED);
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}
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SECTION("Invalid Buf Size 1") {
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serLen = 2;
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REQUIRE(base.serializeBe(&bufPtr, &serLen, buf.size()) == SerializeIF::BUFFER_TOO_SHORT);
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}
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SECTION("Invalid Buf Size 2") {
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serLen = 4;
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REQUIRE(base.serializeBe(&bufPtr, &serLen, buf.size()) == SerializeIF::BUFFER_TOO_SHORT);
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}
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SECTION("Invalid Buf Size 3") {
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serLen = 6;
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REQUIRE(base.serializeBe(&bufPtr, &serLen, buf.size()) == SerializeIF::BUFFER_TOO_SHORT);
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}
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}
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