89 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// bool contains(const key_type& x) const;14 15#include <cassert>16#include <deque>17#include <flat_set>18#include <functional>19#include <utility>20 21#include "MinSequenceContainer.h"22#include "test_macros.h"23#include "min_allocator.h"24 25template <class KeyContainer>26constexpr void test_one() {27 using Key = typename KeyContainer::value_type;28 {29 using M = std::flat_multiset<Key, std::less<>, KeyContainer>;30 M m = {1, 2, 2, 2, 4, 4, 5, 8};31 assert(!m.contains(0));32 assert(m.contains(1));33 assert(m.contains(2));34 assert(!m.contains(3));35 assert(m.contains(4));36 assert(m.contains(5));37 assert(!m.contains(6));38 assert(!m.contains(7));39 assert(std::as_const(m).contains(8));40 assert(!std::as_const(m).contains(9));41 m.clear();42 assert(!m.contains(1));43 }44 {45 using M = std::flat_multiset<Key, std::greater<int>, KeyContainer>;46 M m = {1, 2, 2, 4, 4, 5, 5, 8};47 assert(!m.contains(0));48 assert(m.contains(1));49 assert(m.contains(2));50 assert(!m.contains(3));51 assert(m.contains(4));52 assert(m.contains(5));53 assert(!m.contains(6));54 assert(!m.contains(7));55 assert(std::as_const(m).contains(8));56 assert(!std::as_const(m).contains(9));57 m.clear();58 assert(!m.contains(1));59 }60 {61 // empty62 using M = std::flat_multiset<Key, std::less<>, KeyContainer>;63 M m;64 assert(!m.contains(0));65 assert(!m.contains(1));66 }67}68 69constexpr bool test() {70 test_one<std::vector<int>>();71#ifndef __cpp_lib_constexpr_deque72 if (!TEST_IS_CONSTANT_EVALUATED)73#endif74 test_one<std::deque<int>>();75 test_one<MinSequenceContainer<int>>();76 test_one<std::vector<int, min_allocator<int>>>();77 78 return true;79}80 81int main(int, char**) {82 test();83#if TEST_STD_VER >= 2684 static_assert(test());85#endif86 87 return 0;88}89