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// 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/>.
// { dg-do run { target c++11 } }
#include <unordered_set>
#include <testsuite_hooks.h>
#include <testsuite_allocator.h>
struct T { int i; };
struct hash
{
std::size_t operator()(const T t) const noexcept
{ return t.i; }
};
struct equal_to
{
bool operator()(const T& lhs, const T& rhs) const noexcept
{ return lhs.i == rhs.i; }
};
using __gnu_test::propagating_allocator;
void test01()
{
typedef propagating_allocator<T, false> alloc_type;
typedef std::unordered_set<T, hash, equal_to, alloc_type> test_type;
test_type v1(alloc_type(1));
v1.insert(T());
test_type v2(v1);
VERIFY(1 == v1.get_allocator().get_personality());
VERIFY(0 == v2.get_allocator().get_personality());
}
void test02()
{
typedef propagating_allocator<T, true> alloc_type;
typedef std::unordered_set<T, hash, equal_to, alloc_type> test_type;
test_type v1(alloc_type(1));
v1.insert(T());
test_type v2(v1);
VERIFY(1 == v1.get_allocator().get_personality());
VERIFY(1 == v2.get_allocator().get_personality());
}
void test03()
{
typedef propagating_allocator<T, true> alloc_type;
typedef std::unordered_set<T, hash, equal_to, alloc_type> test_type;
test_type v1(alloc_type(1));
v1.insert(T());
test_type v2(v1, alloc_type(2));
VERIFY(1 == v1.get_allocator().get_personality());
VERIFY(2 == v2.get_allocator().get_personality());
}
int main()
{
test01();
test02();
test03();
return 0;
}