mirror of git://gcc.gnu.org/git/gcc.git
57 lines
1.4 KiB
C++
57 lines
1.4 KiB
C++
// Copyright (C) 2018 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 3, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING3. If not see
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// <http://www.gnu.org/licenses/>.
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// { dg-do run { target c++14 } }
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#include <experimental/memory_resource>
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namespace pmr = std::experimental::pmr;
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struct X
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{
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pmr::memory_resource* res = nullptr;
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void* ptr = nullptr;
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static constexpr std::size_t n = 64;
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constexpr X() { }
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explicit
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X(pmr::memory_resource* r) : res(r), ptr(r->allocate(n)) { }
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~X() { if (ptr) res->deallocate(ptr, n); }
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};
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void
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swap(X& lhs, X& rhs) {
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std::swap(lhs.res, rhs.res);
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std::swap(lhs.ptr, rhs.ptr);
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}
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void
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test01()
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{
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static X x1;
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X x2(pmr::new_delete_resource());
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swap(x1, x2);
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// Now x1 will deallocate the memory during destruction of static objects.
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}
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int main()
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{
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test01();
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}
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