continuing tests
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@ -22,7 +22,7 @@ ReturnValue_t DleEncoder::encode(const uint8_t* sourceStream,
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if(not escapeStxEtx) {
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destStream[0] = DLE_CHAR;
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}
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destStream[0] = STX_CHAR;
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destStream[1] = STX_CHAR;
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}
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if(escapeStxEtx) {
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@ -220,6 +220,9 @@ ReturnValue_t DleEncoder::decodeStreamNonEscaped(const uint8_t *sourceStream,
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uint8_t nextByte;
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while ((encodedIndex < sourceStreamLen) && (decodedIndex < maxDestStreamlen)) {
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if (sourceStream[encodedIndex] == DLE_CHAR) {
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if(encodedIndex + 1 >= sourceStreamLen) {
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return DECODING_ERROR;
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}
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nextByte = sourceStream[encodedIndex + 1];
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if(nextByte == STX_CHAR) {
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*readLen = ++encodedIndex;
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@ -247,3 +250,6 @@ ReturnValue_t DleEncoder::decodeStreamNonEscaped(const uint8_t *sourceStream,
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return DECODING_ERROR;
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}
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void DleEncoder::setEscapeMode(bool escapeStxEtx) {
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this->escapeStxEtx = escapeStxEtx;
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}
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@ -37,6 +37,9 @@ public:
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* @param escapeCr In escaped mode, escape all CR occurrences as well
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*/
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DleEncoder(bool escapeStxEtx = true, bool escapeCr = false);
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void setEscapeMode(bool escapeStxEtx);
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virtual ~DleEncoder();
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static constexpr uint8_t INTERFACE_ID = CLASS_ID::DLE_ENCODER;
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@ -4,58 +4,82 @@
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#include <array>
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const std::array<uint8_t, 5> TEST_ARRAY_0 = { 0 };
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const std::array<uint8_t, 3> TEST_ARRAY_1 = { 0, DleEncoder::DLE_CHAR, 5};
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const std::array<uint8_t, 3> TEST_ARRAY_2 = { 0, DleEncoder::STX_CHAR, 5};
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const std::array<uint8_t, 3> TEST_ARRAY_3 = { 0, DleEncoder::CARRIAGE_RETURN, DleEncoder::ETX_CHAR};
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const std::vector<uint8_t> TEST_ARRAY_0 = { 0, 0, 0, 0, 0 };
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const std::vector<uint8_t> TEST_ARRAY_1 = { 0, DleEncoder::DLE_CHAR, 5};
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const std::vector<uint8_t> TEST_ARRAY_2 = { 0, DleEncoder::STX_CHAR, 5};
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const std::vector<uint8_t> TEST_ARRAY_3 = { 0, DleEncoder::CARRIAGE_RETURN, DleEncoder::ETX_CHAR};
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const std::vector<uint8_t> TEST_ARRAY_4 = { DleEncoder::DLE_CHAR, DleEncoder::ETX_CHAR,
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DleEncoder::STX_CHAR };
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const std::vector<uint8_t> TEST_ARRAY_0_ENCODED_ESCAPED = {
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DleEncoder::STX_CHAR, 0, 0, 0, 0, 0, DleEncoder::ETX_CHAR
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};
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const std::vector<uint8_t> TEST_ARRAY_0_ENCODED_NON_ESCAPED = {
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DleEncoder::DLE_CHAR, DleEncoder::STX_CHAR, 0, 0, 0, 0, 0,
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DleEncoder::DLE_CHAR, DleEncoder::ETX_CHAR
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};
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const std::vector<uint8_t> TEST_ARRAY_1_ENCODED_ESCAPED = {
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DleEncoder::STX_CHAR, 0, DleEncoder::DLE_CHAR, DleEncoder::DLE_CHAR, 5, DleEncoder::ETX_CHAR
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};
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const std::vector<uint8_t> TEST_ARRAY_2_ENCODED_ESCAPED = {
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DleEncoder::STX_CHAR, 0, DleEncoder::DLE_CHAR, DleEncoder::STX_CHAR + 0x40,
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5, DleEncoder::ETX_CHAR
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};
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const std::vector<uint8_t> TEST_ARRAY_3_ENCODED_ESCAPED = {
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DleEncoder::STX_CHAR, 0, DleEncoder::CARRIAGE_RETURN,
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DleEncoder::DLE_CHAR, DleEncoder::ETX_CHAR + 0x40, DleEncoder::ETX_CHAR
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};
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const std::vector<uint8_t> TEST_ARRAY_4_ENCODED_ESCAPED = {
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DleEncoder::STX_CHAR, DleEncoder::DLE_CHAR, DleEncoder::DLE_CHAR,
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DleEncoder::DLE_CHAR, DleEncoder::ETX_CHAR + 0x40, DleEncoder::DLE_CHAR,
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DleEncoder::STX_CHAR + 0x40, DleEncoder::ETX_CHAR
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};
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TEST_CASE("DleEncoder" , "[DleEncoder]") {
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DleEncoder dleEncoder;
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std::array<uint8_t, 32> buffer;
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size_t encodedLen = 0;
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size_t readLen = 0;
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size_t decodedLen = 0;
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auto testLambdaEncode = [&](DleEncoder& encoder, const std::vector<uint8_t>& vecToEncode,
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const std::vector<uint8_t>& expectedVec) {
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ReturnValue_t result = encoder.encode(vecToEncode.data(), vecToEncode.size(),
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buffer.data(), buffer.size(), &encodedLen);
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REQUIRE(result == retval::CATCH_OK);
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for(size_t idx = 0; idx < expectedVec.size(); idx++) {
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REQUIRE(buffer[idx] == expectedVec[idx]);
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}
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REQUIRE(encodedLen == expectedVec.size());
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};
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auto testLambdaDecode = [&](DleEncoder& encoder, const std::vector<uint8_t>& testVecEncoded,
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const std::vector<uint8_t>& expectedVec) {
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ReturnValue_t result = encoder.decode(testVecEncoded.data(),
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testVecEncoded.size(),
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&readLen, buffer.data(), buffer.size(), &decodedLen);
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REQUIRE(result == retval::CATCH_OK);
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REQUIRE(readLen == testVecEncoded.size());
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REQUIRE(decodedLen == expectedVec.size());
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for(size_t idx = 0; idx < decodedLen; idx++) {
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REQUIRE(buffer[idx] == expectedVec[idx]);
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}
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};
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SECTION("Encoding") {
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size_t encodedLen = 0;
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ReturnValue_t result = dleEncoder.encode(TEST_ARRAY_0.data(), TEST_ARRAY_0.size(),
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buffer.data(), buffer.size(), &encodedLen);
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REQUIRE(result == retval::CATCH_OK);
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std::vector<uint8_t> expected = {DleEncoder::STX_CHAR, 0, 0, 0, 0, 0,
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DleEncoder::ETX_CHAR};
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for(size_t idx = 0; idx < expected.size(); idx++) {
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REQUIRE(buffer[idx] == expected[idx]);
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}
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REQUIRE(encodedLen == 7);
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testLambdaEncode(dleEncoder, TEST_ARRAY_0, TEST_ARRAY_0_ENCODED_ESCAPED);
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testLambdaEncode(dleEncoder, TEST_ARRAY_1, TEST_ARRAY_1_ENCODED_ESCAPED);
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testLambdaEncode(dleEncoder, TEST_ARRAY_2, TEST_ARRAY_2_ENCODED_ESCAPED);
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testLambdaEncode(dleEncoder, TEST_ARRAY_3, TEST_ARRAY_3_ENCODED_ESCAPED);
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testLambdaEncode(dleEncoder, TEST_ARRAY_4, TEST_ARRAY_4_ENCODED_ESCAPED);
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result = dleEncoder.encode(TEST_ARRAY_1.data(), TEST_ARRAY_1.size(),
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buffer.data(), buffer.size(), &encodedLen);
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REQUIRE(result == retval::CATCH_OK);
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expected = std::vector<uint8_t>{DleEncoder::STX_CHAR, 0, DleEncoder::DLE_CHAR,
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DleEncoder::DLE_CHAR, 5, DleEncoder::ETX_CHAR};
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for(size_t idx = 0; idx < expected.size(); idx++) {
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REQUIRE(buffer[idx] == expected[idx]);
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}
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REQUIRE(encodedLen == expected.size());
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dleEncoder.setEscapeMode(false);
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testLambdaEncode(dleEncoder, TEST_ARRAY_0, TEST_ARRAY_0_ENCODED_NON_ESCAPED);
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result = dleEncoder.encode(TEST_ARRAY_2.data(), TEST_ARRAY_2.size(),
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buffer.data(), buffer.size(), &encodedLen);
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REQUIRE(result == retval::CATCH_OK);
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expected = std::vector<uint8_t>{DleEncoder::STX_CHAR, 0, DleEncoder::DLE_CHAR,
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DleEncoder::STX_CHAR + 0x40, 5, DleEncoder::ETX_CHAR};
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for(size_t idx = 0; idx < expected.size(); idx++) {
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REQUIRE(buffer[idx] == expected[idx]);
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}
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REQUIRE(encodedLen == expected.size());
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result = dleEncoder.encode(TEST_ARRAY_3.data(), TEST_ARRAY_3.size(),
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buffer.data(), buffer.size(), &encodedLen);
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REQUIRE(result == retval::CATCH_OK);
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expected = std::vector<uint8_t>{DleEncoder::STX_CHAR, 0, DleEncoder::CARRIAGE_RETURN,
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DleEncoder::DLE_CHAR, DleEncoder::ETX_CHAR + 0x40, DleEncoder::ETX_CHAR};
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for(size_t idx = 0; idx < expected.size(); idx++) {
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REQUIRE(buffer[idx] == expected[idx]);
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}
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REQUIRE(encodedLen == expected.size());
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result = dleEncoder.encode(TEST_ARRAY_3.data(), TEST_ARRAY_3.size(),
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ReturnValue_t result = dleEncoder.encode(TEST_ARRAY_3.data(), TEST_ARRAY_3.size(),
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buffer.data(), 0, &encodedLen);
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REQUIRE(result == DleEncoder::STREAM_TOO_SHORT);
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result = dleEncoder.encode(TEST_ARRAY_1.data(), TEST_ARRAY_1.size(),
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@ -64,6 +88,10 @@ TEST_CASE("DleEncoder" , "[DleEncoder]") {
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}
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SECTION("Decoding") {
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testLambdaDecode(dleEncoder, TEST_ARRAY_0_ENCODED_ESCAPED, TEST_ARRAY_0);
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testLambdaDecode(dleEncoder, TEST_ARRAY_1_ENCODED_ESCAPED, TEST_ARRAY_1);
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testLambdaDecode(dleEncoder, TEST_ARRAY_2_ENCODED_ESCAPED, TEST_ARRAY_2);
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testLambdaDecode(dleEncoder, TEST_ARRAY_3_ENCODED_ESCAPED, TEST_ARRAY_3);
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testLambdaDecode(dleEncoder, TEST_ARRAY_4_ENCODED_ESCAPED, TEST_ARRAY_4);
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}
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}
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