1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
|
//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <string>
// const_reference at(size_type pos) const;
// reference at(size_type pos);
#include <string>
#include <stdexcept>
#include <cassert>
#include "min_allocator.h"
template <class S>
void
test(S s, typename S::size_type pos)
{
try
{
const S& cs = s;
assert(s.at(pos) == s[pos]);
assert(cs.at(pos) == cs[pos]);
assert(pos < cs.size());
}
catch (std::out_of_range&)
{
assert(pos >= s.size());
}
}
int main()
{
{
typedef std::string S;
test(S(), 0);
test(S("123"), 0);
test(S("123"), 1);
test(S("123"), 2);
test(S("123"), 3);
}
#if __cplusplus >= 201103L
{
typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S;
test(S(), 0);
test(S("123"), 0);
test(S("123"), 1);
test(S("123"), 2);
test(S("123"), 3);
}
#endif
}
|
