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// Copyright (C) 2019-2020 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++17" }
// { dg-do compile { target c++17 } }
#include <stack>
#include <deque>
#include <list>
template<typename T, typename U> struct require_same;
template<typename T> struct require_same<T, T> { using type = void; };
template<typename T, typename U>
typename require_same<T, U>::type
check_type(U&) { }
void
test01()
{
std::stack<unsigned> s0;
std::stack s1 = s0;
check_type<std::stack<unsigned>>(s1);
std::stack s2 = std::move(s0);
check_type<std::stack<unsigned>>(s2);
const std::stack s3 = s0;
check_type<const std::stack<unsigned>>(s3);
const std::stack s4 = s3;
check_type<const std::stack<unsigned>>(s4);
std::allocator<unsigned> a;
std::stack s5(s0, a);
check_type<std::stack<unsigned>>(s5);
std::stack s6(std::move(s0), a);
check_type<std::stack<unsigned>>(s6);
const std::stack s7(s3, a);
check_type<const std::stack<unsigned>>(s7);
}
void
test02()
{
std::deque<unsigned> d;
std::list<long> l;
std::stack s1(d);
check_type<std::stack<unsigned>>(s1);
std::stack s2(d, d.get_allocator());
check_type<std::stack<unsigned>>(s2);
std::stack s3(std::move(d));
check_type<std::stack<unsigned>>(s3);
std::stack s4(std::move(d), d.get_allocator());
check_type<std::stack<unsigned>>(s4);
std::stack s5(l);
check_type<std::stack<long, std::list<long>>>(s5);
std::stack s6(l, l.get_allocator());
check_type<std::stack<long, std::list<long>>>(s6);
std::stack s7(std::move(l));
check_type<std::stack<long, std::list<long>>>(s7);
std::stack s8(std::move(l), l.get_allocator());
check_type<std::stack<long, std::list<long>>>(s8);
}
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