68 lines
1.5 KiB
C++

//
// Created by erki on 10/12/22.
//
#include <catch2/catch.hpp>
#include "utility_bytes.hpp"
TEST_CASE("zeroInitialized creates an appropriate struct.")
{
struct TestStruct
{
int a;
char b;
int c;
};
SECTION("Return by value variant returns a struct where all members are 0.")
{
const TestStruct test = Utility::zeroInitialized<TestStruct>();
REQUIRE(test.a == 0);
REQUIRE(test.b == 0);
REQUIRE(test.c == 0);
}
SECTION("Pass by reference variant initializes the struct to all 0's.")
{
TestStruct test;
Utility::zeroInitialized(test);
REQUIRE(test.a == 0);
REQUIRE(test.b == 0);
REQUIRE(test.c == 0);
}
SECTION("Pass by pointer variant initializes the struct to all 0's.")
{
TestStruct test;
Utility::zeroInitialized(&test);
REQUIRE(test.a == 0);
REQUIRE(test.b == 0);
REQUIRE(test.c == 0);
}
}
TEST_CASE("arrayToType constructs a type appropriately.")
{
const std::uint32_t initial_value = 0x12345678;
SECTION("Using C-arrays the operation works appropriately.")
{
std::uint8_t raw_data[4] = {0};
std::memcpy(raw_data, &initial_value, 4);
const std::uint32_t output = Utility::arrayToType<std::uint32_t, 4>(raw_data);
REQUIRE(output == initial_value);
}
SECTION("Using C-arrays the operation works appropriately.")
{
std::array<std::uint8_t, 4> raw_data = {0, 0, 0, 0};
std::memcpy(raw_data.data(), &initial_value, 4);
const std::uint32_t output = Utility::arrayToType<std::uint32_t>(raw_data);
REQUIRE(output == initial_value);
}
}