Shamelessly copy Josiah

source/lib/json/tests/abi/config/config.hpp

@@ -0,0 +1,35 @@
+//     __ _____ _____ _____
+//  __|  |   __|     |   | |  JSON for Modern C++ (supporting code)
+// |  |  |__   |  |  | | | |  version 3.11.2
+// |_____|_____|_____|_|___|  https://github.com/nlohmann/json
+//
+// SPDX-FileCopyrightText: 2013-2022 Niels Lohmann <https://nlohmann.me>
+// SPDX-License-Identifier: MIT
+
+#pragma once
+
+#include "doctest.h"
+
+#include <iostream>
+#include <regex>
+#include <string>
+
+#define STRINGIZE_EX(x) #x
+#define STRINGIZE(x) STRINGIZE_EX(x)
+
+template<typename T>
+std::string namespace_name(std::string ns, T* /*unused*/ = nullptr) // NOLINT(performance-unnecessary-value-param)
+{
+#if DOCTEST_MSVC && !DOCTEST_CLANG
+    ns = __FUNCSIG__;
+#elif !DOCTEST_CLANG
+    ns = __PRETTY_FUNCTION__;
+#endif
+    std::smatch m;
+
+    // extract the true namespace name from the function signature
+    CAPTURE(ns);
+    CHECK(std::regex_search(ns, m, std::regex("nlohmann(::[a-zA-Z0-9_]+)*::basic_json")));
+
+    return m.str();
+}