// Copyright (C) 2015-2025 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 // . // { dg-do run { target c++11 } } // COW strings don't support C++11 allocator propagation: // { dg-require-effective-target cxx11_abi } #include #include #include using C = char; const C c = 'a'; using traits = std::char_traits; using __gnu_test::propagating_allocator; void test01() { typedef propagating_allocator alloc_type; typedef std::basic_string test_type; test_type v1(alloc_type(1)); v1.assign(1, c); test_type v2(v1); VERIFY(1 == v1.get_allocator().get_personality()); VERIFY(0 == v2.get_allocator().get_personality()); v1.assign(100, c); test_type v3(v1); VERIFY(1 == v1.get_allocator().get_personality()); VERIFY(0 == v3.get_allocator().get_personality()); } void test02() { typedef propagating_allocator alloc_type; typedef std::basic_string test_type; test_type v1(alloc_type(1)); v1.assign(1, c); test_type v2(v1); VERIFY(1 == v1.get_allocator().get_personality()); VERIFY(1 == v2.get_allocator().get_personality()); v1.assign(100, c); test_type v3(v1); VERIFY(1 == v1.get_allocator().get_personality()); VERIFY(1 == v3.get_allocator().get_personality()); } void test03() { typedef propagating_allocator alloc_type; typedef std::basic_string test_type; test_type v1(alloc_type(1)); v1.assign(1, c); test_type v2(v1, alloc_type(2)); VERIFY(1 == v1.get_allocator().get_personality()); VERIFY(2 == v2.get_allocator().get_personality()); v1.assign(100, c); test_type v3(v1, alloc_type(3)); VERIFY(1 == v1.get_allocator().get_personality()); VERIFY(3 == v3.get_allocator().get_personality()); } int main() { test01(); test02(); test03(); return 0; }