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// 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>
26void 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 // empty
62 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
69void test() {
70 test_one<std::vector<int>>();
71 test_one<std::deque<int>>();
72 test_one<MinSequenceContainer<int>>();
73 test_one<std::vector<int, min_allocator<int>>>();
74}
75
76int main(int, char**) {
77 test();
78
79 return 0;
80}
81

source code of libcxx/test/std/containers/container.adaptors/flat.multiset/flat.multiset.operations/contains.pass.cpp