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 // template<class charT, class traits, class Allocator>
13 //   basic_string<charT,traits,Allocator>
14 //   operator+(const basic_string<charT,traits,Allocator>& lhs, charT rhs);
15 
16 // template<class charT, class traits, class Allocator>
17 //   basic_string<charT,traits,Allocator>&&
18 //   operator+(basic_string<charT,traits,Allocator>&& lhs, charT rhs);
19 
20 #include <string>
21 #include <utility>
22 #include <cassert>
23 
24 #include "test_macros.h"
25 #include "min_allocator.h"
26 
27 template <class S>
test0(const S & lhs,typename S::value_type rhs,const S & x)28 void test0(const S& lhs, typename S::value_type rhs, const S& x) {
29   assert(lhs + rhs == x);
30 }
31 
32 #if TEST_STD_VER >= 11
33 template <class S>
test1(S && lhs,typename S::value_type rhs,const S & x)34 void test1(S&& lhs, typename S::value_type rhs, const S& x) {
35   assert(move(lhs) + rhs == x);
36 }
37 #endif
38 
main()39 int main() {
40   {
41     typedef std::string S;
42     test0(S(""), '1', S("1"));
43     test0(S("abcde"), '1', S("abcde1"));
44     test0(S("abcdefghij"), '1', S("abcdefghij1"));
45     test0(S("abcdefghijklmnopqrst"), '1', S("abcdefghijklmnopqrst1"));
46   }
47 #if TEST_STD_VER >= 11
48   {
49     typedef std::string S;
50     test1(S(""), '1', S("1"));
51     test1(S("abcde"), '1', S("abcde1"));
52     test1(S("abcdefghij"), '1', S("abcdefghij1"));
53     test1(S("abcdefghijklmnopqrst"), '1', S("abcdefghijklmnopqrst1"));
54   }
55   {
56     typedef std::basic_string<char, std::char_traits<char>,
57                               min_allocator<char> >
58         S;
59     test0(S(""), '1', S("1"));
60     test0(S("abcde"), '1', S("abcde1"));
61     test0(S("abcdefghij"), '1', S("abcdefghij1"));
62     test0(S("abcdefghijklmnopqrst"), '1', S("abcdefghijklmnopqrst1"));
63 
64     test1(S(""), '1', S("1"));
65     test1(S("abcde"), '1', S("abcde1"));
66     test1(S("abcdefghij"), '1', S("abcdefghij1"));
67     test1(S("abcdefghijklmnopqrst"), '1', S("abcdefghijklmnopqrst1"));
68   }
69 #endif
70 }
71