blob: c9e941d9a443296468d0f48557a50d04ad8a774b [file] [log] [blame]
// __ _____ _____ _____
// __| | __| | | | JSON for Modern C++ (supporting code)
// | | |__ | | | | | | version 3.11.0
// |_____|_____|_____|_|___| https://github.com/nlohmann/json
//
// SPDX-FileCopyrightText: 2013-2022 Niels Lohmann <https://nlohmann.me>
// SPDX-License-Identifier: MIT
#include "doctest_compatibility.h"
// disable -Wnoexcept due to struct pod_bis
DOCTEST_GCC_SUPPRESS_WARNING_PUSH
DOCTEST_GCC_SUPPRESS_WARNING("-Wnoexcept")
#include <nlohmann/json.hpp>
using nlohmann::json;
namespace
{
enum test
{
};
struct pod {};
struct pod_bis {};
void to_json(json& /*unused*/, pod /*unused*/) noexcept;
void to_json(json& /*unused*/, pod_bis /*unused*/);
void from_json(const json& /*unused*/, pod /*unused*/) noexcept;
void from_json(const json& /*unused*/, pod_bis /*unused*/);
void to_json(json& /*unused*/, pod /*unused*/) noexcept {}
void to_json(json& /*unused*/, pod_bis /*unused*/) {}
void from_json(const json& /*unused*/, pod /*unused*/) noexcept {}
void from_json(const json& /*unused*/, pod_bis /*unused*/) {}
json* j = nullptr;
static_assert(noexcept(json{}), "");
static_assert(noexcept(nlohmann::to_json(*j, 2)), "");
static_assert(noexcept(nlohmann::to_json(*j, 2.5)), "");
static_assert(noexcept(nlohmann::to_json(*j, true)), "");
static_assert(noexcept(nlohmann::to_json(*j, test{})), "");
static_assert(noexcept(nlohmann::to_json(*j, pod{})), "");
static_assert(!noexcept(nlohmann::to_json(*j, pod_bis{})), "");
static_assert(noexcept(json(2)), "");
static_assert(noexcept(json(test{})), "");
static_assert(noexcept(json(pod{})), "");
static_assert(noexcept(j->get<pod>()), "");
static_assert(!noexcept(j->get<pod_bis>()), "");
static_assert(noexcept(json(pod{})), "");
} // namespace
TEST_CASE("runtime checks")
{
SECTION("nothrow-copy-constructible exceptions")
{
// for ERR60-CPP (https://github.com/nlohmann/json/issues/531):
// Exceptions should be nothrow-copy-constructible. However, compilers
// treat std::runtime_exception differently in this regard. Therefore,
// we can only demand nothrow-copy-constructibility for our exceptions
// if std::runtime_exception is.
CHECK(std::is_nothrow_copy_constructible<json::exception>::value == std::is_nothrow_copy_constructible<std::runtime_error>::value);
CHECK(std::is_nothrow_copy_constructible<json::parse_error>::value == std::is_nothrow_copy_constructible<std::runtime_error>::value);
CHECK(std::is_nothrow_copy_constructible<json::invalid_iterator>::value == std::is_nothrow_copy_constructible<std::runtime_error>::value);
CHECK(std::is_nothrow_copy_constructible<json::type_error>::value == std::is_nothrow_copy_constructible<std::runtime_error>::value);
CHECK(std::is_nothrow_copy_constructible<json::out_of_range>::value == std::is_nothrow_copy_constructible<std::runtime_error>::value);
CHECK(std::is_nothrow_copy_constructible<json::other_error>::value == std::is_nothrow_copy_constructible<std::runtime_error>::value);
}
SECTION("silence -Wunneeded-internal-declaration errors")
{
j = nullptr;
json j2;
to_json(j2, pod());
to_json(j2, pod_bis());
from_json(j2, pod());
from_json(j2, pod_bis());
}
}
DOCTEST_GCC_SUPPRESS_WARNING_POP