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Add type_traits unit test

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Florian Albrechtskirchinger 2022-08-05 17:20:49 +02:00
parent 76da3b7aeb
commit 07cbbc548a
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tests/src/unit-type_traits.cpp Normal file
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// __ _____ _____ _____
// __| | __| | | | JSON for Modern C++ (supporting code)
// | | |__ | | | | | | version 3.11.1
// |_____|_____|_____|_|___| https://github.com/nlohmann/json
//
// SPDX-FileCopyrightText: 2013-2022 Niels Lohmann <https://nlohmann.me>
// SPDX-License-Identifier: MIT
#include "doctest_compatibility.h"
#if JSON_TEST_USING_MULTIPLE_HEADERS
#include <nlohmann/detail/meta/type_traits.hpp>
#else
#include <nlohmann/json.hpp>
#endif
TEST_CASE("type traits")
{
SECTION("is_c_string")
{
using nlohmann::detail::is_c_string;
using nlohmann::detail::is_c_string_uncvref;
SECTION("char *")
{
CHECK(is_c_string<char*>::value);
CHECK(is_c_string<const char*>::value);
CHECK(is_c_string<char* const>::value);
CHECK(is_c_string<const char* const>::value);
CHECK_FALSE(is_c_string<char*&>::value);
CHECK_FALSE(is_c_string<const char*&>::value);
CHECK_FALSE(is_c_string<char* const&>::value);
CHECK_FALSE(is_c_string<const char* const&>::value);
CHECK(is_c_string_uncvref<char*&>::value);
CHECK(is_c_string_uncvref<const char*&>::value);
CHECK(is_c_string_uncvref<char* const&>::value);
CHECK(is_c_string_uncvref<const char* const&>::value);
}
SECTION("char[]")
{
// NOLINTBEGIN(hicpp-avoid-c-arrays,modernize-avoid-c-arrays,cppcoreguidelines-avoid-c-arrays)
CHECK(is_c_string<char[]>::value);
CHECK(is_c_string<const char[]>::value);
CHECK_FALSE(is_c_string<char(&)[]>::value);
CHECK_FALSE(is_c_string<const char(&)[]>::value);
CHECK(is_c_string_uncvref<char(&)[]>::value);
CHECK(is_c_string_uncvref<const char(&)[]>::value);
// NOLINTEND(hicpp-avoid-c-arrays,modernize-avoid-c-arrays,cppcoreguidelines-avoid-c-arrays)
}
}
}