101 lines
4.5 KiB
C++
101 lines
4.5 KiB
C++
#include <array>
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#include <catch2/catch_test_macros.hpp>
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#include "fsfw/cfdp/pdu/AckPduDeserializer.h"
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#include "fsfw/cfdp/pdu/AckPduSerializer.h"
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#include "fsfw/globalfunctions/arrayprinter.h"
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TEST_CASE("ACK PDU", "[cfdp][pdu]") {
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using namespace cfdp;
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ReturnValue_t result;
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std::array<uint8_t, 256> buf = {};
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uint8_t* bufptr = buf.data();
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size_t maxsz = buf.size();
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size_t sz = 0;
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auto seqNum = TransactionSeqNum(WidthInBytes::TWO_BYTES, 15);
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auto sourceId = EntityId(WidthInBytes::TWO_BYTES, 1);
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auto destId = EntityId(WidthInBytes::TWO_BYTES, 2);
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auto pduConf = PduConfig(sourceId, destId, TransmissionModes::ACKNOWLEDGED, seqNum);
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AckInfo ackInfo(FileDirectives::EOF_DIRECTIVE, ConditionCode::NO_ERROR,
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AckTransactionStatus::ACTIVE);
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auto ackSerializer = AckPduSerializer(ackInfo, pduConf);
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result = ackSerializer.serialize(&bufptr, &sz, maxsz, SerializeIF::Endianness::NETWORK);
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REQUIRE(result == HasReturnvaluesIF::RETURN_OK);
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SECTION("Serialize") {
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REQUIRE(buf[sz - 3] == cfdp::FileDirectives::ACK);
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REQUIRE((buf[sz - 2] >> 4) == FileDirectives::EOF_DIRECTIVE);
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REQUIRE((buf[sz - 2] & 0x0f) == 0);
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REQUIRE(buf[sz - 1] == AckTransactionStatus::ACTIVE);
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ackInfo.setAckedDirective(FileDirectives::FINISH);
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ackInfo.setAckedConditionCode(ConditionCode::FILESTORE_REJECTION);
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ackInfo.setTransactionStatus(AckTransactionStatus::TERMINATED);
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auto ackSerializer2 = AckPduSerializer(ackInfo, pduConf);
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bufptr = buf.data();
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sz = 0;
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result = ackSerializer2.serialize(&bufptr, &sz, maxsz, SerializeIF::Endianness::NETWORK);
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REQUIRE(result == HasReturnvaluesIF::RETURN_OK);
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REQUIRE(buf[sz - 3] == cfdp::FileDirectives::ACK);
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REQUIRE((buf[sz - 2] >> 4) == FileDirectives::FINISH);
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REQUIRE((buf[sz - 2] & 0x0f) == 0b0001);
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REQUIRE((buf[sz - 1] >> 4) == ConditionCode::FILESTORE_REJECTION);
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REQUIRE((buf[sz - 1] & 0b11) == AckTransactionStatus::TERMINATED);
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bufptr = buf.data();
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sz = 0;
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ackInfo.setAckedDirective(FileDirectives::KEEP_ALIVE);
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auto ackSerializer3 = AckPduSerializer(ackInfo, pduConf);
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result = ackSerializer3.serialize(&bufptr, &sz, maxsz, SerializeIF::Endianness::NETWORK);
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// Invalid file directive
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REQUIRE(result != HasReturnvaluesIF::RETURN_OK);
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ackInfo.setAckedDirective(FileDirectives::FINISH);
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// buffer too small
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result = ackSerializer.serialize(&bufptr, &sz, 8, SerializeIF::Endianness::NETWORK);
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REQUIRE(result == SerializeIF::BUFFER_TOO_SHORT);
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}
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SECTION("Deserialize") {
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AckInfo ackInfo2;
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auto reader = AckPduDeserializer(buf.data(), sz, ackInfo2);
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result = reader.parseData();
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REQUIRE(result == HasReturnvaluesIF::RETURN_OK);
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REQUIRE(ackInfo2.getAckedDirective() == FileDirectives::EOF_DIRECTIVE);
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REQUIRE(ackInfo2.getAckedConditionCode() == ConditionCode::NO_ERROR);
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REQUIRE(ackInfo2.getDirectiveSubtypeCode() == 0);
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REQUIRE(ackInfo2.getTransactionStatus() == AckTransactionStatus::ACTIVE);
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AckInfo newInfo = AckInfo(FileDirectives::FINISH, ConditionCode::FILESTORE_REJECTION,
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AckTransactionStatus::TERMINATED);
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auto ackSerializer2 = AckPduSerializer(newInfo, pduConf);
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bufptr = buf.data();
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sz = 0;
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result = ackSerializer2.serialize(&bufptr, &sz, maxsz, SerializeIF::Endianness::NETWORK);
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REQUIRE(result == HasReturnvaluesIF::RETURN_OK);
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auto reader2 = AckPduDeserializer(buf.data(), sz, ackInfo2);
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result = reader2.parseData();
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REQUIRE(result == HasReturnvaluesIF::RETURN_OK);
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REQUIRE(ackInfo2.getAckedDirective() == FileDirectives::FINISH);
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REQUIRE(ackInfo2.getAckedConditionCode() == ConditionCode::FILESTORE_REJECTION);
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REQUIRE(ackInfo2.getDirectiveSubtypeCode() == 0b0001);
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REQUIRE(ackInfo2.getTransactionStatus() == AckTransactionStatus::TERMINATED);
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uint8_t prevVal = buf[sz - 2];
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buf[sz - 2] = FileDirectives::INVALID_DIRECTIVE << 4;
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result = reader2.parseData();
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REQUIRE(result == cfdp::INVALID_ACK_DIRECTIVE_FIELDS);
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buf[sz - 2] = FileDirectives::FINISH << 4 | 0b1111;
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result = reader2.parseData();
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REQUIRE(result == cfdp::INVALID_ACK_DIRECTIVE_FIELDS);
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buf[sz - 2] = prevVal;
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buf[sz - 3] = cfdp::FileDirectives::INVALID_DIRECTIVE;
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result = reader2.parseData();
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REQUIRE(result == cfdp::INVALID_DIRECTIVE_FIELDS);
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buf[sz - 3] = cfdp::FileDirectives::ACK;
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auto maxSizeTooSmall = AckPduDeserializer(buf.data(), sz - 2, ackInfo2);
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result = maxSizeTooSmall.parseData();
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REQUIRE(result == SerializeIF::STREAM_TOO_SHORT);
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}
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}
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