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// Copyright (C) 2017-2022 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-do compile { target c++17 } }
#include <vector>
#include <testsuite_iterators.h>
#include <testsuite_allocator.h>
template<typename T>
using input_iterator_seq
= __gnu_test::test_container<T, __gnu_test::input_iterator_wrapper>;
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::vector<unsigned> s0;
std::vector s1 = s0;
check_type<std::vector<unsigned>>(s1);
std::vector s2 = std::move(s0);
check_type<std::vector<unsigned>>(s2);
const std::vector s3 = s0;
check_type<const std::vector<unsigned>>(s3);
const std::vector s4 = s3;
check_type<const std::vector<unsigned>>(s4);
}
void
test01b()
{
std::vector<bool> s0;
std::vector s1 = s0;
check_type<std::vector<bool>>(s1);
std::vector s2 = std::move(s0);
check_type<std::vector<bool>>(s2);
const std::vector s3 = s0;
check_type<const std::vector<bool>>(s3);
const std::vector s4 = s3;
check_type<const std::vector<bool>>(s4);
}
void
test02()
{
unsigned a[1] = {};
input_iterator_seq<unsigned> seq(a);
std::vector s1(seq.begin(), seq.end());
check_type<std::vector<unsigned>>(s1);
std::vector s2(seq.begin(), seq.end(), std::allocator<unsigned>());
check_type<std::vector<unsigned>>(s2);
std::vector s3(1U, 2L);
check_type<std::vector<long>>(s3);
std::vector s4(1U, 2L, std::allocator<long>());
check_type<std::vector<long>>(s4);
}
void
test02b()
{
bool a[1] = {};
input_iterator_seq<bool> seq(a);
std::vector s1(seq.begin(), seq.end());
check_type<std::vector<bool>>(s1);
std::vector s2(seq.begin(), seq.end(), std::allocator<bool>());
check_type<std::vector<bool>>(s2);
std::vector s3(1U, true);
check_type<std::vector<bool>>(s3);
std::vector s4(1U, true, std::allocator<bool>());
check_type<std::vector<bool>>(s4);
}
struct Pool;
template<typename T>
struct Alloc : __gnu_test::SimpleAllocator<T>
{
Alloc(Pool*) { }
template<typename U>
Alloc(const Alloc<U>&) { }
};
void
test_p1518r2()
{
// P1518R2 - Stop overconstraining allocators in container deduction guides.
// This is a C++23 feature but we support it for C++17 too.
using Vector = std::vector<unsigned, Alloc<unsigned>>;
Pool* p = nullptr;
Vector v(p);
std::vector s1(v, p);
check_type<Vector>(s1);
std::vector s2(std::move(v), p);
check_type<Vector>(s2);
using BVector = std::vector<bool, Alloc<bool>>;
BVector b(p);
std::vector s3(b, p);
check_type<BVector>(s3);
std::vector s4(std::move(b), p);
check_type<BVector>(s4);
}
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