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 // void push_back(charT c)
13 
14 #include <string>
15 #include <cassert>
16 
17 #include "../../min_allocator.h"
18 
19 template <class S>
20 void
21 test(S s, typename S::value_type c, S expected)
22 {
23     s.push_back(c);
24     assert(s.__invariants());
25     assert(s == expected);
26 }
27 
28 int main()
29 {
30     {
31     typedef std::string S;
32     test(S(), 'a', S(1, 'a'));
33     test(S("12345"), 'a', S("12345a"));
34     test(S("12345678901234567890"), 'a', S("12345678901234567890a"));
35     }
36 #if __cplusplus >= 201103L
37     {
38     typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S;
39     test(S(), 'a', S(1, 'a'));
40     test(S("12345"), 'a', S("12345a"));
41     test(S("12345678901234567890"), 'a', S("12345678901234567890a"));
42     }
43 #endif
44 }
45