// { dg-do compile { target c++20 } } // Copyright (C) 2020-2024 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 // . // Function is_pm [time.12] #include constexpr void constexpr_make24() { using namespace std::chrono; static_assert(make24(0h, false) == 0h); static_assert(make24(1h, false) == 1h); static_assert(make24(5h, false) == 5h); static_assert(make24(11h, false) == 11h); static_assert(make24(12h, false) == 0h); static_assert(make24(0h, true) == 12h); static_assert(make24(1h, true) == 13h); static_assert(make24(5h, true) == 17h); static_assert(make24(11h, true) == 23h); static_assert(make24(12h, true) == 12h); }