1//===----------------------------------------------------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9// UNSUPPORTED: c++03, c++11, c++14, c++17, c++20
10
11// <flat_set>
12
13// class flat_multiset
14
15// iterator insert(value_type&& v);
16
17#include <flat_set>
18#include <cassert>
19#include <deque>
20
21#include "MinSequenceContainer.h"
22#include "MoveOnly.h"
23#include "min_allocator.h"
24#include "test_macros.h"
25#include "../helpers.h"
26
27template <class KeyContainer>
28void test_one() {
29 using Key = typename KeyContainer::value_type;
30 using M = std::flat_multiset<Key, TransparentComparator, KeyContainer>;
31 using R = typename M::iterator;
32 using V = typename M::value_type;
33
34 M m;
35 std::same_as<R> decltype(auto) r = m.insert(V(2));
36 assert(r == m.begin());
37 assert(m.size() == 1);
38 assert(*r == V(2));
39
40 r = m.insert(V(1));
41 assert(r == m.begin());
42 assert(m.size() == 2);
43 assert(*r == V(1));
44
45 r = m.insert(V(3));
46 assert(r == std::ranges::prev(m.end()));
47 assert(m.size() == 3);
48 assert(*r == V(3));
49
50 r = m.insert(V(3));
51 assert(r == std::ranges::prev(m.end()));
52 assert(m.size() == 4);
53 assert(*r == V(3));
54
55 r = m.insert(V(2));
56 assert(r == m.begin() + 2);
57 assert(m.size() == 5);
58 assert(*r == V(2));
59
60 r = m.insert(V(1));
61 assert(r == m.begin() + 1);
62 assert(m.size() == 6);
63 assert(*r == V(1));
64}
65
66void test() {
67 test_one<std::vector<int>>();
68 test_one<std::vector<MoveOnly>>();
69 test_one<std::deque<int>>();
70 test_one<std::deque<MoveOnly>>();
71 test_one<MinSequenceContainer<int>>();
72 test_one<MinSequenceContainer<MoveOnly>>();
73 test_one<std::vector<int, min_allocator<int>>>();
74 test_one<std::vector<MoveOnly, min_allocator<MoveOnly>>>();
75}
76
77void test_exception() {
78 auto insert_func = [](auto& m, auto key_arg) {
79 using FlatSet = std::decay_t<decltype(m)>;
80 using value_type = typename FlatSet::value_type;
81 value_type p(key_arg);
82 m.insert(std::move(p));
83 };
84 test_emplace_exception_guarantee(emplace_function&: insert_func);
85}
86
87int main(int, char**) {
88 test();
89 test_exception();
90
91 return 0;
92}
93

source code of libcxx/test/std/containers/container.adaptors/flat.multiset/flat.multiset.modifiers/insert_rv.pass.cpp