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 max_size() const noexcept; |
14 | |
15 | #include <cassert> |
16 | #include <deque> |
17 | #include <flat_set> |
18 | #include <functional> |
19 | #include <limits> |
20 | #include <type_traits> |
21 | #include <vector> |
22 | |
23 | #include "MinSequenceContainer.h" |
24 | #include "test_allocator.h" |
25 | #include "test_macros.h" |
26 | |
27 | void test() { |
28 | { |
29 | using A1 = limited_allocator<int, 10>; |
30 | using C = std::flat_multiset<int, std::less<int>, std::vector<int, A1>>; |
31 | ASSERT_SAME_TYPE(C::difference_type, std::ptrdiff_t); |
32 | ASSERT_SAME_TYPE(C::size_type, std::size_t); |
33 | const C c; |
34 | ASSERT_NOEXCEPT(c.max_size()); |
35 | ASSERT_SAME_TYPE(decltype(c.max_size()), C::size_type); |
36 | assert(c.max_size() <= 10); |
37 | LIBCPP_ASSERT(c.max_size() == 10); |
38 | } |
39 | { |
40 | using A = limited_allocator<int, (size_t)-1>; |
41 | using C = std::flat_multiset<int, std::less<int>, std::vector<int, A>>; |
42 | ASSERT_SAME_TYPE(C::difference_type, std::ptrdiff_t); |
43 | ASSERT_SAME_TYPE(C::size_type, std::size_t); |
44 | const C::size_type max_dist = static_cast<C::size_type>(std::numeric_limits<C::difference_type>::max()); |
45 | const C c; |
46 | ASSERT_NOEXCEPT(c.max_size()); |
47 | ASSERT_SAME_TYPE(decltype(c.max_size()), C::size_type); |
48 | assert(c.max_size() <= max_dist); |
49 | LIBCPP_ASSERT(c.max_size() == max_dist); |
50 | } |
51 | { |
52 | typedef std::flat_multiset<char> C; |
53 | ASSERT_SAME_TYPE(C::difference_type, std::ptrdiff_t); |
54 | ASSERT_SAME_TYPE(C::size_type, std::size_t); |
55 | const C::size_type max_dist = static_cast<C::size_type>(std::numeric_limits<C::difference_type>::max()); |
56 | const C c; |
57 | ASSERT_NOEXCEPT(c.max_size()); |
58 | ASSERT_SAME_TYPE(decltype(c.max_size()), C::size_type); |
59 | assert(c.max_size() <= max_dist); |
60 | assert(c.max_size() <= alloc_max_size(std::allocator<char>())); |
61 | } |
62 | } |
63 | |
64 | int main(int, char**) { |
65 | test(); |
66 | |
67 | return 0; |
68 | } |
69 | |