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dvmhost/tests/dmr/DataHeader_Tests.cpp

220 lines
6.7 KiB

// SPDX-License-Identifier: GPL-2.0-only
/*
* Digital Voice Modem - Test Suite
* GPLv2 Open Source. Use is subject to license terms.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright (C) 2025 Bryan Biedenkapp, N2PLL
*
*/
#include <catch2/catch_test_macros.hpp>
#include <cstring>
#include "common/dmr/DMRDefines.h"
#include "common/dmr/data/DataHeader.h"
using namespace dmr;
using namespace dmr::defines;
using namespace dmr::data;
TEST_CASE("DataHeader encodes and decodes UDT data", "[dmr][dataheader]") {
uint8_t frame[DMR_FRAME_LENGTH_BYTES + 2U];
::memset(frame, 0x00U, sizeof(frame));
DataHeader hdr;
hdr.setDPF(DPF::UDT);
hdr.setSAP(0x01U); // UDT SAP is 4 bits (0x0-0xF)
hdr.setGI(false);
hdr.setSrcId(1001U);
hdr.setDstId(2002U);
hdr.setBlocksToFollow(3U); // UDT blocks to follow is 2 bits + 1 (1-4 blocks)
hdr.encode(frame + 2U);
// Decode and verify
DataHeader decoded;
REQUIRE(decoded.decode(frame + 2U));
REQUIRE(decoded.getDPF() == DPF::UDT);
REQUIRE(decoded.getSAP() == 0x01U);
REQUIRE(decoded.getGI() == false);
REQUIRE(decoded.getSrcId() == 1001U);
REQUIRE(decoded.getDstId() == 2002U);
REQUIRE(decoded.getBlocksToFollow() == 3U);
}
TEST_CASE("DataHeader encodes and decodes unconfirmed data", "[dmr][dataheader]") {
uint8_t frame[DMR_FRAME_LENGTH_BYTES + 2U];
::memset(frame, 0x00U, sizeof(frame));
DataHeader hdr;
hdr.setDPF(DPF::UNCONFIRMED_DATA);
hdr.setSAP(0x00U); // SAP is 4 bits (0x0-0xF)
hdr.setGI(true);
hdr.setSrcId(5000U);
hdr.setDstId(9999U);
hdr.setBlocksToFollow(1U);
hdr.encode(frame + 2U);
// Decode and verify
DataHeader decoded;
REQUIRE(decoded.decode(frame + 2U));
REQUIRE(decoded.getDPF() == DPF::UNCONFIRMED_DATA);
REQUIRE(decoded.getSAP() == 0x00U);
REQUIRE(decoded.getGI() == true);
REQUIRE(decoded.getSrcId() == 5000U);
REQUIRE(decoded.getDstId() == 9999U);
REQUIRE(decoded.getBlocksToFollow() == 1U);
}
TEST_CASE("DataHeader handles response headers", "[dmr][dataheader]") {
uint8_t frame[DMR_FRAME_LENGTH_BYTES + 2U];
::memset(frame, 0x00U, sizeof(frame));
DataHeader hdr;
hdr.setDPF(DPF::RESPONSE);
hdr.setSAP(0x05U);
hdr.setGI(false);
hdr.setSrcId(3333U);
hdr.setDstId(4444U);
hdr.setResponseClass(PDUResponseClass::ACK);
hdr.setResponseType(PDUResponseType::ACK);
hdr.setResponseStatus(0x00U);
hdr.setBlocksToFollow(1U);
hdr.encode(frame + 2U);
// Decode and verify
DataHeader decoded;
REQUIRE(decoded.decode(frame + 2U));
REQUIRE(decoded.getDPF() == DPF::RESPONSE);
REQUIRE(decoded.getResponseClass() == PDUResponseClass::ACK);
REQUIRE(decoded.getResponseType() == PDUResponseType::ACK);
}
TEST_CASE("DataHeader preserves all SAP values", "[dmr][dataheader]") {
uint8_t frame[DMR_FRAME_LENGTH_BYTES + 2U];
// SAP is 4 bits, valid values are 0x0-0xF
const uint8_t sapValues[] = {0x00U, 0x02U, 0x0AU, 0x0DU, 0x0FU};
for (auto sap : sapValues) {
::memset(frame, 0x00U, sizeof(frame));
DataHeader hdr;
hdr.setDPF(DPF::UDT);
hdr.setSAP(sap);
hdr.setGI(true);
hdr.setSrcId(100U);
hdr.setDstId(200U);
hdr.setBlocksToFollow(2U);
hdr.encode(frame + 2U);
DataHeader decoded;
REQUIRE(decoded.decode(frame + 2U));
REQUIRE(decoded.getSAP() == sap);
}
}
TEST_CASE("DataHeader handles maximum blocks to follow", "[dmr][dataheader]") {
uint8_t frame[DMR_FRAME_LENGTH_BYTES + 2U];
::memset(frame, 0x00U, sizeof(frame));
DataHeader hdr;
hdr.setDPF(DPF::UNCONFIRMED_DATA); // Use UNCONFIRMED_DATA which has 7-bit blocks to follow
hdr.setSAP(0x00U);
hdr.setGI(true);
hdr.setSrcId(1U);
hdr.setDstId(1U);
hdr.setBlocksToFollow(127U); // Max value for 7-bit field
hdr.encode(frame + 2U);
DataHeader decoded;
REQUIRE(decoded.decode(frame + 2U));
REQUIRE(decoded.getBlocksToFollow() == 127U);
}
TEST_CASE("DataHeader encodes and decodes defined raw data", "[dmr][dataheader]") {
uint8_t frame[DMR_FRAME_LENGTH_BYTES + 2U];
::memset(frame, 0x00U, sizeof(frame));
DataHeader hdr;
hdr.setDPF(DPF::DEFINED_RAW);
hdr.setSAP(0x03U);
hdr.setGI(true);
hdr.setSrcId(1234U);
hdr.setDstId(5678U);
hdr.setBlocksToFollow(2U);
hdr.setFullMesage(true);
hdr.setSynchronize(false);
hdr.setSrcPort(3U);
hdr.setDstPort(5U);
hdr.encode(frame + 2U);
DataHeader decoded;
REQUIRE(decoded.decode(frame + 2U));
REQUIRE(decoded.getDPF() == DPF::DEFINED_RAW);
REQUIRE(decoded.getSrcPort() == 3U);
REQUIRE(decoded.getDstPort() == 5U);
REQUIRE(decoded.getFullMesage() == true);
REQUIRE(decoded.getSynchronize() == false);
}
TEST_CASE("DataHeader copy and assignment preserve fields", "[dmr][dataheader]") {
DataHeader original;
original.setDPF(DPF::CONFIRMED_DATA);
original.setSAP(0x0AU);
original.setGI(false);
original.setSrcId(111U);
original.setDstId(222U);
original.setBlocksToFollow(4U);
original.setFullMesage(true);
original.setSynchronize(true);
original.setNs(5U);
original.setFSN(9U);
DataHeader copied(original);
REQUIRE(copied.getDPF() == original.getDPF());
REQUIRE(copied.getSAP() == original.getSAP());
REQUIRE(copied.getGI() == original.getGI());
REQUIRE(copied.getSrcId() == original.getSrcId());
REQUIRE(copied.getDstId() == original.getDstId());
REQUIRE(copied.getBlocksToFollow() == original.getBlocksToFollow());
REQUIRE(copied.getFullMesage() == original.getFullMesage());
REQUIRE(copied.getSynchronize() == original.getSynchronize());
REQUIRE(copied.getNs() == original.getNs());
REQUIRE(copied.getFSN() == original.getFSN());
DataHeader assigned;
assigned = original;
REQUIRE(assigned.getDPF() == original.getDPF());
REQUIRE(assigned.getSAP() == original.getSAP());
REQUIRE(assigned.getGI() == original.getGI());
REQUIRE(assigned.getSrcId() == original.getSrcId());
REQUIRE(assigned.getDstId() == original.getDstId());
}
TEST_CASE("DataHeader preserves all six defined-short data format bits", "[dmr][dataheader]") {
const uint8_t formats[] = {0x01U, 0x15U, 0x2AU, 0x3FU};
for (uint8_t format : formats) {
uint8_t frame[DMR_FRAME_LENGTH_BYTES] = {};
DataHeader header;
header.setDPF(DPF::DEFINED_SHORT);
header.setSAP(0x0AU);
header.setSrcId(123U);
header.setDstId(456U);
header.setBlocksToFollow(1U);
header.setDataFormat(format);
header.encode(frame);
DataHeader decoded;
REQUIRE(decoded.decode(frame));
REQUIRE(decoded.getDataFormat() == format);
}
}

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