test_memory.cpp

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// Unit tests for parsing memory sizes
// Author: Adrien Barral

#include <catch_ros/catch.hpp>

#include "../../src/launch/bytes_parser.h"

#include <tuple>

using namespace rosmon::launch;

TEST_CASE("parse memory size", "[memory]")
{
        const std::vector<std::pair<std::string, uint64_t>> EXAMPLES{
                {"1  B", 1},
                {"100", 100},
                {"1 MB", 1000000ULL},
                {"1MB", 1000000ULL},
                {"1.6 GB", 1600000000ULL},
        {"1 gB", 1000000000ULL},
        {"3250 KiB", 3250*1ull<<10},
        {"40 MiB", 40*1ull<<20},
        {"1 GiB", 1ull<<30},
        {"0.5 TiB", (1ull<<40)/2}
        };

        for(const auto& example : EXAMPLES)
        {
                uint64_t memory;
                bool ok;
                std::tie(memory, ok) = parseMemory(example.first);

                CAPTURE(example.first);
                CHECK(ok);
                CHECK(memory == example.second);
        }
}