xref: /third_party/json/tests/abi/config/custom.cpp (revision c5f01b2f)
1//     __ _____ _____ _____
2//  __|  |   __|     |   | |  JSON for Modern C++ (supporting code)
3// |  |  |__   |  |  | | | |  version 3.11.2
4// |_____|_____|_____|_|___|  https://github.com/nlohmann/json
5//
6// SPDX-FileCopyrightText: 2013-2022 Niels Lohmann <https://nlohmann.me>
7// SPDX-License-Identifier: MIT
8
9#include "doctest_compatibility.h"
10
11#include "config.hpp"
12
13// define custom namespace
14#define NLOHMANN_JSON_NAMESPACE nlohmann // this line may be omitted
15#define NLOHMANN_JSON_NAMESPACE_BEGIN namespace nlohmann {
16#define NLOHMANN_JSON_NAMESPACE_END }
17#include <nlohmann/json_fwd.hpp>
18
19TEST_CASE("custom namespace")
20{
21    // GCC 4.8 fails with regex_error
22#if !DOCTEST_GCC || DOCTEST_GCC >= DOCTEST_COMPILER(4, 9, 0)
23    SECTION("namespace matches expectation")
24    {
25        std::string expected = "nlohmann::basic_json";
26
27        // fallback for Clang
28        std::string ns{STRINGIZE(NLOHMANN_JSON_NAMESPACE) "::basic_json"};
29
30        CHECK(namespace_name<nlohmann::json>(ns) == expected);
31    }
32#endif
33}
34