| // Copyright (C) 2021-2022 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-options "-std=gnu++23" } |
| // { dg-do run { target c++23 } } |
| |
| #include <stack> |
| |
| #ifndef __cpp_lib_adaptor_iterator_pair_constructor |
| #error Feature test macro for iterator pair constructors is missing in <stack> |
| #elif __cpp_lib_adaptor_iterator_pair_constructor != 202106L |
| #error Feature test macro for iterator pair constructors has wrong value in <stack> |
| #endif |
| |
| #include <testsuite_hooks.h> |
| #include <testsuite_allocator.h> |
| |
| void |
| test_p1425r4() |
| { |
| const int vals[] = { 1, 2, 3, 7, 8, 9, 5, 6, 7 }; |
| |
| std::stack<int> s(std::begin(vals), std::end(vals)); |
| VERIFY( s.size() == std::size(vals) ); |
| VERIFY( s.top() == 7 ); |
| |
| using Alloc = __gnu_test::uneq_allocator<int>; |
| |
| struct Stack : std::stack<int, std::deque<int, Alloc>> |
| { |
| using stack::stack; |
| |
| Alloc get_allocator() const { return c.get_allocator(); } |
| }; |
| |
| Alloc a0, a1(1); |
| Stack s0(std::begin(vals), std::end(vals) - 1); |
| VERIFY( s0.size() == std::size(vals) - 1 ); |
| VERIFY( s0.top() == 6 ); |
| VERIFY( s0.get_allocator() == a0 ); |
| |
| Stack s1(std::begin(vals), std::end(vals) - 2, a1); |
| VERIFY( s1.size() == std::size(vals) - 2 ); |
| VERIFY( s1.top() == 5 ); |
| VERIFY( s1.get_allocator() == a1 ); |
| } |
| |
| int main() |
| { |
| test_p1425r4(); |
| } |