Bag of holding updates

vendor/json/test/thirdparty/doctest/LICENSE.txt

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+The MIT License (MIT)
+
+Copyright (c) 2016-2020 Viktor Kirilov
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

vendor/json/test/thirdparty/doctest/doctest_compatibility.h

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+#ifndef DOCTEST_COMPATIBILITY
+#define DOCTEST_COMPATIBILITY
+
+#define DOCTEST_CONFIG_VOID_CAST_EXPRESSIONS
+#define DOCTEST_THREAD_LOCAL // enable single-threaded builds on XCode 6/7 - https://github.com/onqtam/doctest/issues/172
+#include "doctest.h"
+
+// Catch doesn't require a semicolon after CAPTURE but doctest does
+#undef CAPTURE
+#define CAPTURE(x) DOCTEST_CAPTURE(x);
+
+// Sections from Catch are called Subcases in doctest and don't work with std::string by default
+#undef SUBCASE
+#define SECTION(x) DOCTEST_SUBCASE(x)
+
+// convenience macro around INFO since it doesn't support temporaries (it is optimized to avoid allocations for runtime speed)
+#define INFO_WITH_TEMP_IMPL(x, var_name) const auto var_name = x; INFO(var_name) // lvalue!
+#define INFO_WITH_TEMP(x) INFO_WITH_TEMP_IMPL(x, DOCTEST_ANONYMOUS(DOCTEST_STD_STRING_))
+
+// doctest doesn't support THROWS_WITH for std::string out of the box (has to include <string>...)
+#define CHECK_THROWS_WITH_STD_STR_IMPL(expr, str, var_name)                    \
+    do {                                                                       \
+        std::string var_name = str;                                            \
+        CHECK_THROWS_WITH(expr, var_name.c_str());                             \
+    } while (false)
+#define CHECK_THROWS_WITH_STD_STR(expr, str)                                   \
+    CHECK_THROWS_WITH_STD_STR_IMPL(expr, str, DOCTEST_ANONYMOUS(DOCTEST_STD_STRING_))
+
+// included here because for some tests in the json repository private is defined as
+// public and if no STL header is included before that then in the json include when STL
+// stuff is included the MSVC STL complains (errors) that C++ keywords are being redefined
+#include <iosfwd>
+
+// Catch does this by default
+using doctest::Approx;
+
+#endif