| // Copyright (C) 2013-2021 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/>. |
| |
| // This test fails to compile since C++17 (see xfail-if below) so we can only |
| // do a "run" test for C++11 and C++14, and a "compile" test for C++17 and up. |
| // { dg-do run { target { c++11_only || c++14_only } } } |
| // { dg-do compile { target c++17 } } |
| |
| #include <unordered_set> |
| #include <memory> |
| #include <testsuite_hooks.h> |
| #include <testsuite_allocator.h> |
| |
| struct T { int i; }; |
| bool operator==(const T& l, const T& r) { return l.i == r.i; } |
| struct H { std::size_t operator()(const T& t) const noexcept { return t.i; } |
| }; |
| struct E : std::equal_to<T> { }; |
| |
| using __gnu_test::CustomPointerAlloc; |
| |
| // { dg-xfail-if "node reinsertion assumes raw pointers" { c++17 } } |
| // TODO when removing this xfail change the test back to "dg-do run". |
| template class std::unordered_set<T, H, E, CustomPointerAlloc<T>>; |
| |
| void test01() |
| { |
| typedef CustomPointerAlloc<T> alloc_type; |
| typedef std::unordered_set<T, H, E, alloc_type> test_type; |
| test_type v; |
| v.insert(T()); |
| VERIFY( ++v.begin() == v.end() ); |
| } |
| |
| int main() |
| { |
| test01(); |
| } |