Fix 'declaration hides global declaration' warning (#3751)

pull/3759/head
Florian Albrechtskirchinger 2022-09-19 08:04:39 +02:00 committed by GitHub
parent 3d1252bbff
commit f4658de270
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 16 additions and 24 deletions

View File

@ -18,9 +18,7 @@ using nlohmann::json;
namespace
{
enum test
{
};
enum test {};
struct pod {};
struct pod_bis {};
@ -34,25 +32,29 @@ 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*/) {}
json* j = nullptr;
static_assert(noexcept(json{}), "");
static_assert(noexcept(nlohmann::to_json(*j, 2)), "");
static_assert(noexcept(nlohmann::to_json(*j, 2.5)), "");
static_assert(noexcept(nlohmann::to_json(*j, true)), "");
static_assert(noexcept(nlohmann::to_json(*j, test{})), "");
static_assert(noexcept(nlohmann::to_json(*j, pod{})), "");
static_assert(!noexcept(nlohmann::to_json(*j, pod_bis{})), "");
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)), "");
static_assert(noexcept(nlohmann::to_json(std::declval<json&>(), test{})), "");
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)), "");
static_assert(noexcept(json(test{})), "");
static_assert(noexcept(json(pod{})), "");
static_assert(noexcept(j->get<pod>()), "");
static_assert(!noexcept(j->get<pod_bis>()), "");
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("runtime checks")
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):
@ -67,16 +69,6 @@ TEST_CASE("runtime checks")
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);
}
SECTION("silence -Wunneeded-internal-declaration errors")
{
j = nullptr;
json j2;
to_json(j2, pod());
to_json(j2, pod_bis());
from_json(j2, pod());
from_json(j2, pod_bis());
}
}
DOCTEST_GCC_SUPPRESS_WARNING_POP