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 | // size_type size() const noexcept; |
14 | |
15 | #include <cassert> |
16 | #include <deque> |
17 | #include <flat_set> |
18 | #include <functional> |
19 | #include <vector> |
20 | |
21 | #include "MinSequenceContainer.h" |
22 | #include "test_macros.h" |
23 | #include "min_allocator.h" |
24 | |
25 | template <class KeyContainer> |
26 | void test_one() { |
27 | using M = std::flat_multiset<int, std::less<int>, KeyContainer>; |
28 | using S = typename M::size_type; |
29 | { |
30 | const M m = {1, 1, 4, 5, 5}; |
31 | ASSERT_SAME_TYPE(decltype(m.size()), S); |
32 | ASSERT_NOEXCEPT(m.size()); |
33 | assert(m.size() == 5); |
34 | } |
35 | { |
36 | const M m = {1}; |
37 | ASSERT_SAME_TYPE(decltype(m.size()), S); |
38 | ASSERT_NOEXCEPT(m.size()); |
39 | assert(m.size() == 1); |
40 | } |
41 | { |
42 | const M m; |
43 | ASSERT_SAME_TYPE(decltype(m.size()), S); |
44 | ASSERT_NOEXCEPT(m.size()); |
45 | assert(m.size() == 0); |
46 | } |
47 | { |
48 | M m; |
49 | S s = 500000; |
50 | for (std::size_t i = 0u; i < s; ++i) { |
51 | m.emplace(i); |
52 | m.emplace(i); |
53 | } |
54 | ASSERT_SAME_TYPE(decltype(m.size()), S); |
55 | ASSERT_NOEXCEPT(m.size()); |
56 | assert(m.size() == 2 * s); |
57 | } |
58 | } |
59 | |
60 | void test() { |
61 | test_one<std::vector<int>>(); |
62 | test_one<std::deque<int>>(); |
63 | test_one<MinSequenceContainer<int>>(); |
64 | test_one<std::vector<int, min_allocator<int>>>(); |
65 | } |
66 | |
67 | int main(int, char**) { |
68 | test(); |
69 | |
70 | return 0; |
71 | } |
72 | |