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// __ _____ _____ _____
// __| | __| | | | JSON for Modern C++ (supporting code)
// | | |__ | | | | | | version 3.12.0
// |_____|_____|_____|_|___| https://github.com/nlohmann/json
//
// SPDX-FileCopyrightText: 2013-2026 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")
// skip tests if JSON_DisableEnumSerialization=ON (#4384)
#if defined(JSON_DISABLE_ENUM_SERIALIZATION) && (JSON_DISABLE_ENUM_SERIALIZATION == 1)
#define SKIP_TESTS_FOR_ENUM_SERIALIZATION
#endif
#include <nlohmann/json.hpp>
using nlohmann::json;
namespace
{
enum test {}; // NOLINT(cppcoreguidelines-use-enum-class)
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*/) {}
static_assert(noexcept(json{}), "");
static_assert(noexcept(nlohmann::to_json(std::declval<json&>(), 2)), "");
static_assert(noexcept(nlohmann::to_json(std::declval<json&>(), 2.5)), "");
static_assert(noexcept(nlohmann::to_json(std::declval<json&>(), true)), "");
#ifndef SKIP_TESTS_FOR_ENUM_SERIALIZATION
static_assert(noexcept(nlohmann::to_json(std::declval<json&>(), test {})), "");
#endif
static_assert(noexcept(nlohmann::to_json(std::declval<json&>(), pod {})), "");
static_assert(!noexcept(nlohmann::to_json(std::declval<json&>(), pod_bis{})), "");
static_assert(noexcept(json(2)), "");
#ifndef SKIP_TESTS_FOR_ENUM_SERIALIZATION
static_assert(noexcept(json(test {})), "");
#endif
static_assert(noexcept(json(pod {})), "");
static_assert(noexcept(std::declval<json>().get<pod>()), "");
static_assert(!noexcept(std::declval<json>().get<pod_bis>()), "");
static_assert(noexcept(json(pod{})), "");
} // namespace
TEST_CASE("noexcept")
{
// silence -Wunneeded-internal-declaration errors
static_cast<void>(static_cast<void(*)(json&, pod)>(&to_json));
static_cast<void>(static_cast<void(*)(json&, pod_bis)>(&to_json));
static_cast<void>(static_cast<void(*)(const json&, pod)>(&from_json));
static_cast<void>(static_cast<void(*)(const json&, pod_bis)>(&from_json));
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);
}
}
DOCTEST_GCC_SUPPRESS_WARNING_POP
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