521 lines
14 KiB
C++
521 lines
14 KiB
C++
#include "uuid.h"
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#include "catch.hpp"
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#include <cstring>
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#include <set>
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#include <unordered_set>
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#include <vector>
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#include <iostream>
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using namespace uuids;
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namespace
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{
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// http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2016/p0205r0.html
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template <typename EngineT, std::size_t StateSize = EngineT::state_size>
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void seed_rng(EngineT& engine)
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{
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using engine_type = typename EngineT::result_type;
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using device_type = std::random_device::result_type;
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using seedseq_type = std::seed_seq::result_type;
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constexpr auto bytes_needed = StateSize * sizeof(engine_type);
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constexpr auto numbers_needed = (sizeof(device_type) < sizeof(seedseq_type))
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? (bytes_needed / sizeof(device_type))
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: (bytes_needed / sizeof(seedseq_type));
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std::array<device_type, numbers_needed> numbers{};
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std::random_device rnddev{};
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std::generate(std::begin(numbers), std::end(numbers), std::ref(rnddev));
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std::seed_seq seedseq(std::cbegin(numbers), std::cend(numbers));
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engine.seed(seedseq);
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}
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}
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TEST_CASE("Test default constructor", "[ctors]")
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{
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uuid empty;
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REQUIRE(empty.is_nil());
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}
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TEST_CASE("Test string conversion", "[ops]")
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{
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uuid empty;
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REQUIRE(uuids::to_string(empty) == "00000000-0000-0000-0000-000000000000");
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REQUIRE(uuids::to_string<wchar_t>(empty) == L"00000000-0000-0000-0000-000000000000");
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}
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TEST_CASE("Test is_valid_uuid(char*)", "[parse]")
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{
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REQUIRE(uuids::uuid::is_valid_uuid("47183823-2574-4bfd-b411-99ed177d3e43"));
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REQUIRE(uuids::uuid::is_valid_uuid("{47183823-2574-4bfd-b411-99ed177d3e43}"));
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REQUIRE(uuids::uuid::is_valid_uuid(L"47183823-2574-4bfd-b411-99ed177d3e43"));
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REQUIRE(uuids::uuid::is_valid_uuid(L"{47183823-2574-4bfd-b411-99ed177d3e43}"));
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REQUIRE(uuids::uuid::is_valid_uuid("00000000-0000-0000-0000-000000000000"));
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REQUIRE(uuids::uuid::is_valid_uuid("{00000000-0000-0000-0000-000000000000}"));
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REQUIRE(uuids::uuid::is_valid_uuid(L"00000000-0000-0000-0000-000000000000"));
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REQUIRE(uuids::uuid::is_valid_uuid(L"{00000000-0000-0000-0000-000000000000}"));
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}
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TEST_CASE("Test is_valid_uuid(basic_string)", "[parse]")
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{
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using namespace std::string_literals;
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{
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auto str = "47183823-2574-4bfd-b411-99ed177d3e43"s;
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REQUIRE(uuids::uuid::is_valid_uuid(str));
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}
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{
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auto str = "{47183823-2574-4bfd-b411-99ed177d3e43}"s;
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REQUIRE(uuids::uuid::is_valid_uuid(str));
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}
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{
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auto str = L"47183823-2574-4bfd-b411-99ed177d3e43"s;
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REQUIRE(uuids::uuid::is_valid_uuid(str));
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}
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{
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auto str = L"{47183823-2574-4bfd-b411-99ed177d3e43}"s;
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REQUIRE(uuids::uuid::is_valid_uuid(str));
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}
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{
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auto str = "00000000-0000-0000-0000-000000000000"s;
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REQUIRE(uuids::uuid::is_valid_uuid(str));
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}
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{
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auto str = "{00000000-0000-0000-0000-000000000000}"s;
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REQUIRE(uuids::uuid::is_valid_uuid(str));
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}
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{
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auto str = L"00000000-0000-0000-0000-000000000000"s;
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REQUIRE(uuids::uuid::is_valid_uuid(str));
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}
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{
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auto str = L"{00000000-0000-0000-0000-000000000000}"s;
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REQUIRE(uuids::uuid::is_valid_uuid(str));
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}
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}
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TEST_CASE("Test is_valid_uuid(char*) invalid format", "[parse]")
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{
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REQUIRE(!uuids::uuid::is_valid_uuid(""));
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REQUIRE(!uuids::uuid::is_valid_uuid("{}"));
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REQUIRE(!uuids::uuid::is_valid_uuid("47183823-2574-4bfd-b411-99ed177d3e4"));
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REQUIRE(!uuids::uuid::is_valid_uuid("47183823-2574-4bfd-b411-99ed177d3e430"));
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REQUIRE(!uuids::uuid::is_valid_uuid("{47183823-2574-4bfd-b411-99ed177d3e43"));
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REQUIRE(!uuids::uuid::is_valid_uuid("47183823-2574-4bfd-b411-99ed177d3e43}"));
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}
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TEST_CASE("Test is_valid_uuid(basic_string) invalid format", "[parse]")
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{
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using namespace std::string_literals;
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{
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auto str = ""s;
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REQUIRE(!uuids::uuid::is_valid_uuid(str));
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}
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{
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auto str = "{}"s;
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REQUIRE(!uuids::uuid::is_valid_uuid(str));
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}
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{
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auto str = "47183823-2574-4bfd-b411-99ed177d3e4"s;
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REQUIRE(!uuids::uuid::is_valid_uuid(str));
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}
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{
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auto str = "47183823-2574-4bfd-b411-99ed177d3e430"s;
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REQUIRE(!uuids::uuid::is_valid_uuid(str));
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}
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{
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auto str = "{47183823-2574-4bfd-b411-99ed177d3e43"s;
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REQUIRE(!uuids::uuid::is_valid_uuid(str));
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}
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{
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auto str = "47183823-2574-4bfd-b411-99ed177d3e43}"s;
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REQUIRE(!uuids::uuid::is_valid_uuid(str));
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}
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}
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TEST_CASE("Test from_string(char*)", "[parse]")
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{
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{
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auto str = "47183823-2574-4bfd-b411-99ed177d3e43";
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auto guid = uuids::uuid::from_string(str).value();
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REQUIRE(uuids::to_string(guid) == str);
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}
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{
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auto str = "{47183823-2574-4bfd-b411-99ed177d3e43}";
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auto guid = uuids::uuid::from_string(str).value();
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REQUIRE(uuids::to_string(guid) == "47183823-2574-4bfd-b411-99ed177d3e43");
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}
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{
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auto guid = uuids::uuid::from_string("47183823-2574-4bfd-b411-99ed177d3e43").value();
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REQUIRE(uuids::to_string(guid) == "47183823-2574-4bfd-b411-99ed177d3e43");
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REQUIRE(uuids::to_string<wchar_t>(guid) == L"47183823-2574-4bfd-b411-99ed177d3e43");
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}
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{
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auto str = L"47183823-2574-4bfd-b411-99ed177d3e43";
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auto guid = uuids::uuid::from_string(str).value();
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REQUIRE(uuids::to_string<wchar_t>(guid) == str);
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}
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{
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auto str = "4718382325744bfdb41199ed177d3e43";
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REQUIRE_NOTHROW(uuids::uuid::from_string(str));
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REQUIRE(uuids::uuid::from_string(str).has_value());
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}
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{
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auto str = "00000000-0000-0000-0000-000000000000";
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auto guid = uuids::uuid::from_string(str).value();
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REQUIRE(guid.is_nil());
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}
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{
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auto str = "{00000000-0000-0000-0000-000000000000}";
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auto guid = uuids::uuid::from_string(str).value();
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REQUIRE(guid.is_nil());
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}
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{
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auto str = L"00000000-0000-0000-0000-000000000000";
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auto guid = uuids::uuid::from_string(str).value();
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REQUIRE(guid.is_nil());
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}
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{
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auto str = L"{00000000-0000-0000-0000-000000000000}";
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auto guid = uuids::uuid::from_string(str).value();
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REQUIRE(guid.is_nil());
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}
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}
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TEST_CASE("Test from_string(basic_string)", "[parse]")
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{
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using namespace std::string_literals;
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{
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auto str = "47183823-2574-4bfd-b411-99ed177d3e43"s;
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auto guid = uuids::uuid::from_string(str).value();
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REQUIRE(uuids::to_string(guid) == str);
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}
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{
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auto str = "{47183823-2574-4bfd-b411-99ed177d3e43}"s;
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auto guid = uuids::uuid::from_string(str).value();
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REQUIRE(uuids::to_string(guid) == "47183823-2574-4bfd-b411-99ed177d3e43");
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}
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{
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auto guid = uuids::uuid::from_string("47183823-2574-4bfd-b411-99ed177d3e43").value();
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REQUIRE(uuids::to_string(guid) == "47183823-2574-4bfd-b411-99ed177d3e43");
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REQUIRE(uuids::to_string<wchar_t>(guid) == L"47183823-2574-4bfd-b411-99ed177d3e43");
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}
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{
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auto str = L"47183823-2574-4bfd-b411-99ed177d3e43"s;
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auto guid = uuids::uuid::from_string(str).value();
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REQUIRE(uuids::to_string<wchar_t>(guid) == str);
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}
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{
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auto str = "4718382325744bfdb41199ed177d3e43"s;
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REQUIRE_NOTHROW(uuids::uuid::from_string(str));
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REQUIRE(uuids::uuid::from_string(str).has_value());
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}
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{
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auto str = "00000000-0000-0000-0000-000000000000"s;
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auto guid = uuids::uuid::from_string(str).value();
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REQUIRE(guid.is_nil());
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}
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{
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auto str = "{00000000-0000-0000-0000-000000000000}"s;
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auto guid = uuids::uuid::from_string(str).value();
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REQUIRE(guid.is_nil());
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}
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{
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auto str = L"00000000-0000-0000-0000-000000000000"s;
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auto guid = uuids::uuid::from_string(str).value();
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REQUIRE(guid.is_nil());
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}
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{
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auto str = L"{00000000-0000-0000-0000-000000000000}"s;
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auto guid = uuids::uuid::from_string(str).value();
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REQUIRE(guid.is_nil());
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}
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}
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TEST_CASE("Test from_string(char*) invalid format", "[parse]")
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{
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REQUIRE(!uuids::uuid::from_string("").has_value());
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REQUIRE(!uuids::uuid::from_string("{}").has_value());
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REQUIRE(!uuids::uuid::from_string("47183823-2574-4bfd-b411-99ed177d3e4").has_value());
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REQUIRE(!uuids::uuid::from_string("47183823-2574-4bfd-b411-99ed177d3e430").has_value());
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REQUIRE(!uuids::uuid::from_string("{47183823-2574-4bfd-b411-99ed177d3e43").has_value());
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REQUIRE(!uuids::uuid::from_string("47183823-2574-4bfd-b411-99ed177d3e43}").has_value());
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}
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TEST_CASE("Test from_string(basic_string) invalid format", "[parse]")
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{
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using namespace std::string_literals;
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{
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auto str = ""s;
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REQUIRE(!uuids::uuid::from_string(str).has_value());
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}
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{
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auto str = "{}"s;
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REQUIRE(!uuids::uuid::from_string(str).has_value());
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}
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{
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auto str = "47183823-2574-4bfd-b411-99ed177d3e4"s;
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REQUIRE(!uuids::uuid::from_string(str).has_value());
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}
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{
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auto str = "47183823-2574-4bfd-b411-99ed177d3e430"s;
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REQUIRE(!uuids::uuid::from_string(str).has_value());
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}
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{
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auto str = "{47183823-2574-4bfd-b411-99ed177d3e43"s;
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REQUIRE(!uuids::uuid::from_string(str).has_value());
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}
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{
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auto str = "47183823-2574-4bfd-b411-99ed177d3e43}"s;
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REQUIRE(!uuids::uuid::from_string(str).has_value());
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}
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}
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TEST_CASE("Test iterators constructor", "[ctors]")
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{
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using namespace std::string_literals;
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{
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std::array<uuids::uuid::value_type, 16> arr{ {
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0x47, 0x18, 0x38, 0x23,
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0x25, 0x74,
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0x4b, 0xfd,
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0xb4, 0x11,
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0x99, 0xed, 0x17, 0x7d, 0x3e, 0x43 } };
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uuid guid(std::begin(arr), std::end(arr));
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REQUIRE(uuids::to_string(guid) == "47183823-2574-4bfd-b411-99ed177d3e43"s);
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}
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{
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uuids::uuid::value_type arr[16] = {
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0x47, 0x18, 0x38, 0x23,
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0x25, 0x74,
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0x4b, 0xfd,
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0xb4, 0x11,
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0x99, 0xed, 0x17, 0x7d, 0x3e, 0x43 };
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uuid guid(std::begin(arr), std::end(arr));
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REQUIRE(uuids::to_string(guid) == "47183823-2574-4bfd-b411-99ed177d3e43"s);
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}
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}
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TEST_CASE("Test array constructors", "[ctors]")
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{
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using namespace std::string_literals;
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{
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uuids::uuid guid{
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{0x47, 0x18, 0x38, 0x23,
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0x25, 0x74,
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0x4b, 0xfd,
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0xb4, 0x11,
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0x99, 0xed, 0x17, 0x7d, 0x3e, 0x43 } };
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REQUIRE(uuids::to_string(guid) == "47183823-2574-4bfd-b411-99ed177d3e43"s);
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}
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{
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std::array<uuids::uuid::value_type, 16> arr{ {
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0x47, 0x18, 0x38, 0x23,
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0x25, 0x74,
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0x4b, 0xfd,
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0xb4, 0x11,
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0x99, 0xed, 0x17, 0x7d, 0x3e, 0x43 } };
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uuid guid(arr);
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REQUIRE(uuids::to_string(guid) == "47183823-2574-4bfd-b411-99ed177d3e43"s);
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}
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{
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uuids::uuid::value_type arr[16] {
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0x47, 0x18, 0x38, 0x23,
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0x25, 0x74,
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0x4b, 0xfd,
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0xb4, 0x11,
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0x99, 0xed, 0x17, 0x7d, 0x3e, 0x43 };
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uuid guid(arr);
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REQUIRE(uuids::to_string(guid) == "47183823-2574-4bfd-b411-99ed177d3e43"s);
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}
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}
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TEST_CASE("Test equality", "[operators]")
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{
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uuid empty;
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auto engine = uuids::uuid_random_generator::engine_type{};
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seed_rng(engine);
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uuid guid = uuids::uuid_random_generator{engine}();
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REQUIRE(empty == empty);
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REQUIRE(guid == guid);
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REQUIRE(empty != guid);
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}
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TEST_CASE("Test comparison", "[operators]")
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{
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auto empty = uuid{};
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auto engine = uuids::uuid_random_generator::engine_type{};
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seed_rng(engine);
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uuids::uuid_random_generator gen{ engine };
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auto id = gen();
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REQUIRE(empty < id);
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std::set<uuids::uuid> ids{
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uuid{},
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gen(),
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gen(),
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gen(),
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gen()
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};
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REQUIRE(ids.size() == 5);
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REQUIRE(ids.find(uuid{}) != ids.end());
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}
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TEST_CASE("Test hashing", "[ops]")
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{
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using namespace std::string_literals;
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auto str = "47183823-2574-4bfd-b411-99ed177d3e43"s;
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auto guid = uuids::uuid::from_string(str).value();
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auto h1 = std::hash<std::string>{};
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auto h2 = std::hash<uuid>{};
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REQUIRE(h1(str) == h2(guid));
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auto engine = uuids::uuid_random_generator::engine_type{};
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seed_rng(engine);
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uuids::uuid_random_generator gen{ engine };
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std::unordered_set<uuids::uuid> ids{
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uuid{},
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gen(),
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gen(),
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gen(),
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gen()
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};
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REQUIRE(ids.size() == 5);
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REQUIRE(ids.find(uuid{}) != ids.end());
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}
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TEST_CASE("Test swap", "[ops]")
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{
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uuid empty;
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auto engine = uuids::uuid_random_generator::engine_type{};
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seed_rng(engine);
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uuid guid = uuids::uuid_random_generator{engine}();
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REQUIRE(empty.is_nil());
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REQUIRE(!guid.is_nil());
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std::swap(empty, guid);
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REQUIRE(!empty.is_nil());
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REQUIRE(guid.is_nil());
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empty.swap(guid);
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REQUIRE(empty.is_nil());
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REQUIRE(!guid.is_nil());
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}
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TEST_CASE("Test constexpr", "[const]")
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{
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constexpr uuid empty;
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[[maybe_unused]] constexpr bool isnil = empty.is_nil();
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[[maybe_unused]] constexpr uuids::uuid_variant variant = empty.variant();
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[[maybe_unused]] constexpr uuid_version version = empty.version();
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}
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|
|
TEST_CASE("Test size", "[operators]")
|
|
{
|
|
REQUIRE(sizeof(uuid) == 16);
|
|
}
|
|
|
|
TEST_CASE("Test assignment", "[ops]")
|
|
{
|
|
auto id1 = uuids::uuid::from_string("47183823-2574-4bfd-b411-99ed177d3e43").value();
|
|
auto id2 = id1;
|
|
REQUIRE(id1 == id2);
|
|
|
|
id1 = uuids::uuid::from_string("{fea43102-064f-4444-adc2-02cec42623f8}").value();
|
|
REQUIRE(id1 != id2);
|
|
|
|
auto id3 = std::move(id2);
|
|
REQUIRE(uuids::to_string(id3) == "47183823-2574-4bfd-b411-99ed177d3e43");
|
|
}
|
|
|
|
TEST_CASE("Test trivial", "[trivial]")
|
|
{
|
|
REQUIRE(std::is_trivially_copyable_v<uuids::uuid>);
|
|
}
|
|
|
|
TEST_CASE("Test as_bytes", "[ops]")
|
|
{
|
|
std::array<uuids::uuid::value_type, 16> arr{ {
|
|
0x47, 0x18, 0x38, 0x23,
|
|
0x25, 0x74,
|
|
0x4b, 0xfd,
|
|
0xb4, 0x11,
|
|
0x99, 0xed, 0x17, 0x7d, 0x3e, 0x43
|
|
} };
|
|
|
|
{
|
|
uuids::uuid id{ arr };
|
|
REQUIRE(!id.is_nil());
|
|
|
|
auto view = id.as_bytes();
|
|
REQUIRE(memcmp(view.data(), arr.data(), arr.size()) == 0);
|
|
}
|
|
|
|
{
|
|
const uuids::uuid id{ arr };
|
|
REQUIRE(!id.is_nil());
|
|
|
|
auto view = id.as_bytes();
|
|
REQUIRE(memcmp(view.data(), arr.data(), arr.size()) == 0);
|
|
}
|
|
|
|
}
|