Martin Slachta
46 lines
1.2 KiB
C++
46 lines
1.2 KiB
C++
#include "message_protocol/MessageHeader.hpp"
|
|
|
|
#include <catch2/catch_test_macros.hpp>
|
|
|
|
#include <array>
|
|
|
|
using namespace tw::msg;
|
|
|
|
TEST_CASE("Header survives a round trip", "[message_header]") {
|
|
std::array<std::byte, MessageHeader::SIZE> buffer{};
|
|
|
|
MessageHeader{ 42, 7 }.encode(buffer);
|
|
|
|
auto decoded = MessageHeader::decode(buffer);
|
|
|
|
REQUIRE(decoded.has_value());
|
|
REQUIRE(decoded->type == 42);
|
|
REQUIRE(decoded->seq == 7);
|
|
}
|
|
|
|
TEST_CASE("Header defaults to expecting no reply", "[message_header]") {
|
|
std::array<std::byte, MessageHeader::SIZE> buffer{};
|
|
|
|
MessageHeader{ 3 }.encode(buffer);
|
|
|
|
auto decoded = MessageHeader::decode(buffer);
|
|
|
|
REQUIRE(decoded.has_value());
|
|
REQUIRE(decoded->seq == MessageHeader::SEQ_NONE);
|
|
}
|
|
|
|
TEST_CASE("Decoding a message shorter than a header fails", "[message_header]") {
|
|
std::array<std::byte, MessageHeader::SIZE - 1> buffer{};
|
|
|
|
REQUIRE_FALSE(MessageHeader::decode(buffer).has_value());
|
|
}
|
|
|
|
TEST_CASE("Encoding only writes the header", "[message_header]") {
|
|
std::array<std::byte, MessageHeader::SIZE + 4> buffer{};
|
|
buffer[MessageHeader::SIZE] = std::byte{ 0xAB };
|
|
|
|
MessageHeader{ 1, 2 }.encode(buffer);
|
|
|
|
REQUIRE(buffer[MessageHeader::SIZE] == std::byte{ 0xAB });
|
|
}
|