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// <set>
10
11// class multiset
12
13// size_type max_size() const;
14
15#include <cassert>
16#include <limits>
17#include <set>
18#include <type_traits>
19
20#include "test_allocator.h"
21#include "test_macros.h"
22
23int main(int, char**) {
24 {
25 typedef limited_allocator<int, 10> A;
26 typedef std::multiset<int, std::less<int>, A> C;
27 C c;
28 assert(c.max_size() <= 10);
29 LIBCPP_ASSERT(c.max_size() == 10);
30 }
31 {
32 typedef limited_allocator<int, (std::size_t)-1> A;
33 typedef std::multiset<int, std::less<int>, A> C;
34 const C::size_type max_dist = static_cast<C::size_type>(std::numeric_limits<C::difference_type>::max());
35 C c;
36 assert(c.max_size() <= max_dist);
37 LIBCPP_ASSERT(c.max_size() == max_dist);
38 }
39 {
40 typedef std::multiset<char> C;
41 const C::size_type max_dist = static_cast<C::size_type>(std::numeric_limits<C::difference_type>::max());
42 C c;
43 assert(c.max_size() <= max_dist);
44 assert(c.max_size() <= alloc_max_size(c.get_allocator()));
45 }
46
47 return 0;
48}
49

source code of libcxx/test/std/containers/associative/multiset/max_size.pass.cpp