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1 //===----------------------------------------------------------------------===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 // <set>
11 
12 // class multiset
13 
14 // size_type max_size() const;
15 
16 #include <cassert>
17 #include <limits>
18 #include <set>
19 #include <type_traits>
20 
21 #include "test_allocator.h"
22 #include "test_macros.h"
23 
main()24 int main()
25 {
26     {
27       typedef limited_allocator<int, 10> A;
28       typedef std::multiset<int, std::less<int>, A> C;
29       C c;
30       assert(c.max_size() <= 10);
31       LIBCPP_ASSERT(c.max_size() == 10);
32     }
33     {
34       typedef limited_allocator<int, (size_t)-1> A;
35       typedef std::multiset<int, std::less<int>, A> C;
36       const C::size_type max_dist =
37           static_cast<C::size_type>(std::numeric_limits<C::difference_type>::max());
38       C c;
39       assert(c.max_size() <= max_dist);
40       LIBCPP_ASSERT(c.max_size() == max_dist);
41     }
42     {
43       typedef std::multiset<char> C;
44       const C::size_type max_dist =
45           static_cast<C::size_type>(std::numeric_limits<C::difference_type>::max());
46       C c;
47       assert(c.max_size() <= max_dist);
48       assert(c.max_size() <= alloc_max_size(c.get_allocator()));
49     }
50 }
51