// __ _____ _____ _____ // __| | __| | | | JSON for Modern C++ (supporting code) // | | |__ | | | | | | version 3.11.2 // |_____|_____|_____|_|___| https://github.com/nlohmann/json // // SPDX-FileCopyrightText: 2013-2022 Niels Lohmann // 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 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()), ""); static_assert(!noexcept(j->get()), ""); 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::value == std::is_nothrow_copy_constructible::value); CHECK(std::is_nothrow_copy_constructible::value == std::is_nothrow_copy_constructible::value); CHECK(std::is_nothrow_copy_constructible::value == std::is_nothrow_copy_constructible::value); CHECK(std::is_nothrow_copy_constructible::value == std::is_nothrow_copy_constructible::value); CHECK(std::is_nothrow_copy_constructible::value == std::is_nothrow_copy_constructible::value); CHECK(std::is_nothrow_copy_constructible::value == std::is_nothrow_copy_constructible::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