//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++03
// <forward_list>
// template <class... Args>
// iterator emplace_after(const_iterator p, Args&&... args);
#include <forward_list>
#include <cassert>
#include "test_macros.h"
#include "../../../Emplaceable.h"
#include "min_allocator.h"
int main(int, char**)
{
{
typedef Emplaceable T;
typedef std::forward_list<T> C;
typedef C::iterator I;
C c;
I i = c.emplace_after(c.cbefore_begin());
assert(i == c.begin());
assert(c.front() == Emplaceable());
assert(std::distance(c.begin(), c.end()) == 1);
i = c.emplace_after(c.cbegin(), 1, 2.5);
assert(i == std::next(c.begin()));
assert(c.front() == Emplaceable());
assert(*std::next(c.begin()) == Emplaceable(1, 2.5));
assert(std::distance(c.begin(), c.end()) == 2);
i = c.emplace_after(std::next(c.cbegin()), 2, 3.5);
assert(i == std::next(c.begin(), 2));
assert(c.front() == Emplaceable());
assert(*std::next(c.begin()) == Emplaceable(1, 2.5));
assert(*std::next(c.begin(), 2) == Emplaceable(2, 3.5));
assert(std::distance(c.begin(), c.end()) == 3);
i = c.emplace_after(c.cbegin(), 3, 4.5);
assert(i == std::next(c.begin()));
assert(c.front() == Emplaceable());
assert(*std::next(c.begin(), 1) == Emplaceable(3, 4.5));
assert(*std::next(c.begin(), 2) == Emplaceable(1, 2.5));
assert(*std::next(c.begin(), 3) == Emplaceable(2, 3.5));
assert(std::distance(c.begin(), c.end()) == 4);
}
{
typedef Emplaceable T;
typedef std::forward_list<T, min_allocator<T>> C;
typedef C::iterator I;
C c;
I i = c.emplace_after(c.cbefore_begin());
assert(i == c.begin());
assert(c.front() == Emplaceable());
assert(std::distance(c.begin(), c.end()) == 1);
i = c.emplace_after(c.cbegin(), 1, 2.5);
assert(i == std::next(c.begin()));
assert(c.front() == Emplaceable());
assert(*std::next(c.begin()) == Emplaceable(1, 2.5));
assert(std::distance(c.begin(), c.end()) == 2);
i = c.emplace_after(std::next(c.cbegin()), 2, 3.5);
assert(i == std::next(c.begin(), 2));
assert(c.front() == Emplaceable());
assert(*std::next(c.begin()) == Emplaceable(1, 2.5));
assert(*std::next(c.begin(), 2) == Emplaceable(2, 3.5));
assert(std::distance(c.begin(), c.end()) == 3);
i = c.emplace_after(c.cbegin(), 3, 4.5);
assert(i == std::next(c.begin()));
assert(c.front() == Emplaceable());
assert(*std::next(c.begin(), 1) == Emplaceable(3, 4.5));
assert(*std::next(c.begin(), 2) == Emplaceable(1, 2.5));
assert(*std::next(c.begin(), 3) == Emplaceable(2, 3.5));
assert(std::distance(c.begin(), c.end()) == 4);
}
return 0;
}