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//===----------------------------------------------------------------------===//
//
// 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, c++11, c++14, c++17, c++20
// <flat_map>
// iterator insert(const_iterator position, const value_type& v);
#include <flat_map>
#include <cassert>
#include <functional>
#include <deque>
#include "MinSequenceContainer.h"
#include "test_macros.h"
#include "../helpers.h"
#include "min_allocator.h"
template <class KeyContainer, class ValueContainer>
void test() {
using Key = typename KeyContainer::value_type;
using Value = typename ValueContainer::value_type;
using M = std::flat_map<Key, Value, std::less<Key>, KeyContainer, ValueContainer>;
using R = typename M::iterator;
using VT = typename M::value_type;
M m;
const VT v1(2, 2.5);
std::same_as<R> decltype(auto) r = m.insert(m.end(), v1);
assert(r == m.begin());
assert(m.size() == 1);
assert(r->first == 2);
assert(r->second == 2.5);
const VT v2(1, 1.5);
r = m.insert(m.end(), v2);
assert(r == m.begin());
assert(m.size() == 2);
assert(r->first == 1);
assert(r->second == 1.5);
const VT v3(3, 3.5);
r = m.insert(m.end(), v3);
assert(r == std::ranges::prev(m.end()));
assert(m.size() == 3);
assert(r->first == 3);
assert(r->second == 3.5);
const VT v4(3, 4.5);
r = m.insert(m.end(), v4);
assert(r == std::ranges::prev(m.end()));
assert(m.size() == 3);
assert(r->first == 3);
assert(r->second == 3.5);
}
int main(int, char**) {
test<std::vector<int>, std::vector<double>>();
test<std::deque<int>, std::vector<double>>();
test<MinSequenceContainer<int>, MinSequenceContainer<double>>();
test<std::vector<int, min_allocator<int>>, std::vector<double, min_allocator<double>>>();
{
auto insert_func = [](auto& m, auto key_arg, auto value_arg) {
using FlatMap = std::decay_t<decltype(m)>;
using value_type = typename FlatMap::value_type;
const value_type p(std::piecewise_construct, std::tuple(key_arg), std::tuple(value_arg));
m.insert(m.begin(), p);
};
test_emplace_exception_guarantee(insert_func);
}
return 0;
}
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