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// { dg-do run { target c++20 } }
// { dg-require-effective-target cxx11_abi }
#include <chrono>
#include <testsuite_hooks.h>
using namespace std::chrono;
void
test_version()
{
const tzdb& db = get_tzdb();
VERIFY( &db == &get_tzdb_list().front() );
const char* func;
try {
func = "remote_version";
VERIFY( db.version == remote_version() );
func = "reload_tzdb";
const tzdb& reloaded = reload_tzdb();
if (reloaded.version == db.version)
VERIFY( &reloaded == &db );
} catch (const std::exception&) {
std::printf("std::chrono::%s() failed\n", func);
}
}
void
test_current()
{
const tzdb& db = get_tzdb();
const time_zone* tz = db.current_zone();
VERIFY( tz == std::chrono::current_zone() );
}
void
test_locate()
{
const tzdb& db = get_tzdb();
const time_zone* tz = db.locate_zone("GMT");
VERIFY( tz != nullptr );
VERIFY( tz->name() == "Etc/GMT" );
VERIFY( tz == std::chrono::locate_zone("GMT") );
VERIFY( tz == db.locate_zone("Etc/GMT") );
VERIFY( tz == db.locate_zone("Etc/GMT+0") );
VERIFY( db.locate_zone(db.current_zone()->name()) == db.current_zone() );
}
void
test_all_zones()
{
const tzdb& db = get_tzdb();
for (const auto& zone : db.zones)
VERIFY( locate_zone(zone.name())->name() == zone.name() );
for (const auto& link : db.links)
VERIFY( locate_zone(link.name()) == locate_zone(link.target()) );
}
int main()
{
test_version();
test_current();
test_locate();
}
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