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// <string>
11
12//       reverse_iterator rend();
13// const_reverse_iterator rend() const;
14
15#include <string>
16#include <cassert>
17
18#include "min_allocator.h"
19
20template <class S>
21void
22test(S s)
23{
24    const S& cs = s;
25    typename S::reverse_iterator e = s.rend();
26    typename S::const_reverse_iterator ce = cs.rend();
27    if (s.empty())
28    {
29        assert(e == s.rbegin());
30        assert(ce == cs.rbegin());
31    }
32    assert(e - s.rbegin() == s.size());
33    assert(ce - cs.rbegin() == cs.size());
34}
35
36int main()
37{
38    {
39    typedef std::string S;
40    test(S());
41    test(S("123"));
42    }
43#if __cplusplus >= 201103L
44    {
45    typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S;
46    test(S());
47    test(S("123"));
48    }
49#endif
50}
51