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// Copyright (C) 2013-2022 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/>.
// 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();
}
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