Mercurial > hg > CbC > CbC_gcc
view libstdc++-v3/testsuite/20_util/allocator_traits/members/construct.cc @ 152:2b5abeee2509
update gcc11
author | anatofuz |
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date | Mon, 25 May 2020 07:50:57 +0900 |
parents | 1830386684a0 |
children |
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// { dg-do run { target c++11 } } // Copyright (C) 2011-2020 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/>. #include <memory> #include <cstddef> #include <testsuite_hooks.h> struct X { static int counter; X() { } X(const X&) { ++counter; } explicit X(int) { ++counter; } X(int, int) { ++counter; } X(int, int, int) { ++counter; } }; int X::counter = 0; template<typename T> struct fake_allocator { typedef T value_type; fake_allocator() : counter() {} int counter; T* allocate(std::size_t n) { return (T*)new char[n*sizeof(T)]; } void deallocate(T* p, std::size_t) { delete[] (char*)p; } // don't actually construct anything when these are called void construct(T* p) { ++counter; } void construct(T* p, int, int) { ++counter; } }; void test01() { typedef std::allocator_traits<fake_allocator<X>> traits_type; traits_type::allocator_type a; X* p = traits_type::allocate(a, 1); traits_type::construct(a, p); VERIFY( a.counter == 1 ); traits_type::construct(a, p, 1); VERIFY( a.counter == 1 ); VERIFY( X::counter == 1 ); traits_type::destroy(a, p); traits_type::construct(a, p, 1, 1); VERIFY( a.counter == 2 ); VERIFY( X::counter == 1 ); traits_type::construct(a, p, 1, 1, 1); VERIFY( a.counter == 2 ); VERIFY( X::counter == 2 ); traits_type::destroy(a, p); traits_type::deallocate(a, p, 1); } int main() { test01(); }