94 lines · cpp
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-exception6//7//===----------------------------------------------------------------------===//8 9// UNSUPPORTED: c++03, c++11, c++14, c++17, c++2010 11// <flat_set>12 13// iterator insert(const value_type& v);14 15#include <flat_set>16#include <deque>17#include <cassert>18#include <functional>19 20#include "MinSequenceContainer.h"21#include "test_macros.h"22#include "../helpers.h"23#include "min_allocator.h"24 25template <class KeyContainer>26constexpr void test_one() {27 using Key = typename KeyContainer::value_type;28 using M = std::flat_multiset<Key, std::less<Key>, KeyContainer>;29 using R = typename M::iterator;30 using VT = typename M::value_type;31 M m;32 33 const VT v1(2);34 std::same_as<R> decltype(auto) r = m.insert(v1);35 assert(r == m.begin());36 assert(m.size() == 1);37 assert(*r == 2);38 39 const VT v2(1);40 r = m.insert(v2);41 assert(r == m.begin());42 assert(m.size() == 2);43 assert(*r == 1);44 45 const VT v3(3);46 r = m.insert(v3);47 assert(r == std::ranges::prev(m.end()));48 assert(m.size() == 3);49 assert(*r == 3);50 51 const VT v4(3);52 r = m.insert(v4);53 assert(r == std::ranges::prev(m.end()));54 assert(m.size() == 4);55 assert(*r == 3);56 57 const VT v5(1);58 r = m.insert(v5);59 assert(r == m.begin() + 1);60 assert(m.size() == 5);61 assert(*r == 1);62}63 64constexpr bool test() {65 test_one<std::vector<int>>();66#ifndef __cpp_lib_constexpr_deque67 if (!TEST_IS_CONSTANT_EVALUATED)68#endif69 test_one<std::deque<int>>();70 test_one<MinSequenceContainer<int>>();71 test_one<std::vector<int, min_allocator<int>>>();72 73 return true;74}75 76void test_exception() {77 auto insert_func = [](auto& m, auto key_arg) {78 using value_type = typename std::decay_t<decltype(m)>::value_type;79 const value_type p(key_arg);80 m.insert(p);81 };82 test_emplace_exception_guarantee(insert_func);83}84 85int main(int, char**) {86 test();87#if TEST_STD_VER >= 2688 static_assert(test());89#endif90 test_exception();91 92 return 0;93}94