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// Copyright (C) 2020-2022 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
// { dg-options "-std=gnu++2a" }
// { dg-do compile { target c++2a } }
#include <mutex>
struct clok
{
// no clok::rep or clok::period defined
using duration = std::chrono::milliseconds;
using time_point = std::chrono::time_point<clok>;
static constexpr bool is_steady = false;
static time_point now();
};
void
test01()
{
std::timed_mutex m;
std::unique_lock<std::timed_mutex> l(m, std::defer_lock);
l.try_lock_until(clok::now()); // { dg-error "here" }
}
struct cloc
{
using duration = std::chrono::milliseconds;
using rep = duration::rep;
using period = duration::period;
// cloc::time_point::duration should be the same as cloc::duration:
using time_point = std::chrono::time_point<cloc, std::chrono::seconds>;
static constexpr bool is_steady = false;
static time_point now();
};
void
test02()
{
std::recursive_timed_mutex m;
std::unique_lock<std::recursive_timed_mutex> l(m, std::defer_lock);
l.try_lock_until(cloc::now()); // { dg-error "here" }
}
// { dg-error "static assertion failed" "" { target *-*-* } 0 }
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