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dvmhost/tests/dmr/DataHeader_Tests.cpp

139 lines
4.0 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);
}

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