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, const 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, const charT* rhs);
19 
20 #include <string>
21 #include <utility>
22 #include <cassert>
23 
24 #include "min_allocator.h"
25 
26 template <class S>
27 void
28 test0(const S& lhs, const typename S::value_type* rhs, const S& x)
29 {
30     assert(lhs + rhs == x);
31 }
32 
33 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
34 
35 template <class S>
36 void
37 test1(S&& lhs, const typename S::value_type* rhs, const S& x)
38 {
39     assert(move(lhs) + rhs == x);
40 }
41 
42 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
43 
44 int main()
45 {
46     {
47     typedef std::string S;
48     test0(S(""), "", S(""));
49     test0(S(""), "12345", S("12345"));
50     test0(S(""), "1234567890", S("1234567890"));
51     test0(S(""), "12345678901234567890", S("12345678901234567890"));
52     test0(S("abcde"), "", S("abcde"));
53     test0(S("abcde"), "12345", S("abcde12345"));
54     test0(S("abcde"), "1234567890", S("abcde1234567890"));
55     test0(S("abcde"), "12345678901234567890", S("abcde12345678901234567890"));
56     test0(S("abcdefghij"), "", S("abcdefghij"));
57     test0(S("abcdefghij"), "12345", S("abcdefghij12345"));
58     test0(S("abcdefghij"), "1234567890", S("abcdefghij1234567890"));
59     test0(S("abcdefghij"), "12345678901234567890", S("abcdefghij12345678901234567890"));
60     test0(S("abcdefghijklmnopqrst"), "", S("abcdefghijklmnopqrst"));
61     test0(S("abcdefghijklmnopqrst"), "12345", S("abcdefghijklmnopqrst12345"));
62     test0(S("abcdefghijklmnopqrst"), "1234567890", S("abcdefghijklmnopqrst1234567890"));
63     test0(S("abcdefghijklmnopqrst"), "12345678901234567890", S("abcdefghijklmnopqrst12345678901234567890"));
64 
65 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
66 
67     test1(S(""), "", S(""));
68     test1(S(""), "12345", S("12345"));
69     test1(S(""), "1234567890", S("1234567890"));
70     test1(S(""), "12345678901234567890", S("12345678901234567890"));
71     test1(S("abcde"), "", S("abcde"));
72     test1(S("abcde"), "12345", S("abcde12345"));
73     test1(S("abcde"), "1234567890", S("abcde1234567890"));
74     test1(S("abcde"), "12345678901234567890", S("abcde12345678901234567890"));
75     test1(S("abcdefghij"), "", S("abcdefghij"));
76     test1(S("abcdefghij"), "12345", S("abcdefghij12345"));
77     test1(S("abcdefghij"), "1234567890", S("abcdefghij1234567890"));
78     test1(S("abcdefghij"), "12345678901234567890", S("abcdefghij12345678901234567890"));
79     test1(S("abcdefghijklmnopqrst"), "", S("abcdefghijklmnopqrst"));
80     test1(S("abcdefghijklmnopqrst"), "12345", S("abcdefghijklmnopqrst12345"));
81     test1(S("abcdefghijklmnopqrst"), "1234567890", S("abcdefghijklmnopqrst1234567890"));
82     test1(S("abcdefghijklmnopqrst"), "12345678901234567890", S("abcdefghijklmnopqrst12345678901234567890"));
83 
84 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
85     }
86 #if __cplusplus >= 201103L
87     {
88     typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S;
89     test0(S(""), "", S(""));
90     test0(S(""), "12345", S("12345"));
91     test0(S(""), "1234567890", S("1234567890"));
92     test0(S(""), "12345678901234567890", S("12345678901234567890"));
93     test0(S("abcde"), "", S("abcde"));
94     test0(S("abcde"), "12345", S("abcde12345"));
95     test0(S("abcde"), "1234567890", S("abcde1234567890"));
96     test0(S("abcde"), "12345678901234567890", S("abcde12345678901234567890"));
97     test0(S("abcdefghij"), "", S("abcdefghij"));
98     test0(S("abcdefghij"), "12345", S("abcdefghij12345"));
99     test0(S("abcdefghij"), "1234567890", S("abcdefghij1234567890"));
100     test0(S("abcdefghij"), "12345678901234567890", S("abcdefghij12345678901234567890"));
101     test0(S("abcdefghijklmnopqrst"), "", S("abcdefghijklmnopqrst"));
102     test0(S("abcdefghijklmnopqrst"), "12345", S("abcdefghijklmnopqrst12345"));
103     test0(S("abcdefghijklmnopqrst"), "1234567890", S("abcdefghijklmnopqrst1234567890"));
104     test0(S("abcdefghijklmnopqrst"), "12345678901234567890", S("abcdefghijklmnopqrst12345678901234567890"));
105 
106 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
107 
108     test1(S(""), "", S(""));
109     test1(S(""), "12345", S("12345"));
110     test1(S(""), "1234567890", S("1234567890"));
111     test1(S(""), "12345678901234567890", S("12345678901234567890"));
112     test1(S("abcde"), "", S("abcde"));
113     test1(S("abcde"), "12345", S("abcde12345"));
114     test1(S("abcde"), "1234567890", S("abcde1234567890"));
115     test1(S("abcde"), "12345678901234567890", S("abcde12345678901234567890"));
116     test1(S("abcdefghij"), "", S("abcdefghij"));
117     test1(S("abcdefghij"), "12345", S("abcdefghij12345"));
118     test1(S("abcdefghij"), "1234567890", S("abcdefghij1234567890"));
119     test1(S("abcdefghij"), "12345678901234567890", S("abcdefghij12345678901234567890"));
120     test1(S("abcdefghijklmnopqrst"), "", S("abcdefghijklmnopqrst"));
121     test1(S("abcdefghijklmnopqrst"), "12345", S("abcdefghijklmnopqrst12345"));
122     test1(S("abcdefghijklmnopqrst"), "1234567890", S("abcdefghijklmnopqrst1234567890"));
123     test1(S("abcdefghijklmnopqrst"), "12345678901234567890", S("abcdefghijklmnopqrst12345678901234567890"));
124 
125 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
126     }
127 #endif
128 }
129