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// basic_string<charT,traits,Allocator>& operator+=(charT c);
13
14#include <string>
15#include <cassert>
16
17#include "../../min_allocator.h"
18
19template <class S>
20void
21test(S s, typename S::value_type str, S expected)
22{
23    s += str;
24    assert(s.__invariants());
25    assert(s == expected);
26}
27
28int main()
29{
30    {
31    typedef std::string S;
32    test(S(), 'a', S("a"));
33    test(S("12345"), 'a', S("12345a"));
34    test(S("1234567890"), 'a', S("1234567890a"));
35    test(S("12345678901234567890"), 'a', S("12345678901234567890a"));
36    }
37#if __cplusplus >= 201103L
38    {
39    typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S;
40    test(S(), 'a', S("a"));
41    test(S("12345"), 'a', S("12345a"));
42    test(S("1234567890"), 'a', S("1234567890a"));
43    test(S("12345678901234567890"), 'a', S("12345678901234567890a"));
44    }
45#endif
46}
47