Mercurial > hg > CbC > CbC_gcc
view libstdc++-v3/testsuite/experimental/memory_resource/70966.cc @ 145:1830386684a0
gcc-9.2.0
author | anatofuz |
---|---|
date | Thu, 13 Feb 2020 11:34:05 +0900 |
parents | 84e7813d76e9 |
children |
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// Copyright (C) 2018-2020 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-do run { target c++14 } } #include <experimental/memory_resource> namespace pmr = std::experimental::pmr; struct X { pmr::memory_resource* res = nullptr; void* ptr = nullptr; static constexpr std::size_t n = 64; constexpr X() { } explicit X(pmr::memory_resource* r) : res(r), ptr(r->allocate(n)) { } ~X() { if (ptr) res->deallocate(ptr, n); } }; void swap(X& lhs, X& rhs) { std::swap(lhs.res, rhs.res); std::swap(lhs.ptr, rhs.ptr); } void test01() { static X x1; X x2(pmr::new_delete_resource()); swap(x1, x2); // Now x1 will deallocate the memory during destruction of static objects. } int main() { test01(); }