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 "test_macros.h"
25 #include "min_allocator.h"
26 
27 template <class S>
28 void test0(const S& lhs, const 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>
34 void test1(S&& lhs, const typename S::value_type* rhs, const S& x) {
35   assert(move(lhs) + rhs == x);
36 }
37 #endif
38 
39 int main() {
40   {
41     typedef std::string S;
42     test0(S(""), "", S(""));
43     test0(S(""), "12345", S("12345"));
44     test0(S(""), "1234567890", S("1234567890"));
45     test0(S(""), "12345678901234567890", S("12345678901234567890"));
46     test0(S("abcde"), "", S("abcde"));
47     test0(S("abcde"), "12345", S("abcde12345"));
48     test0(S("abcde"), "1234567890", S("abcde1234567890"));
49     test0(S("abcde"), "12345678901234567890", S("abcde12345678901234567890"));
50     test0(S("abcdefghij"), "", S("abcdefghij"));
51     test0(S("abcdefghij"), "12345", S("abcdefghij12345"));
52     test0(S("abcdefghij"), "1234567890", S("abcdefghij1234567890"));
53     test0(S("abcdefghij"), "12345678901234567890",
54           S("abcdefghij12345678901234567890"));
55     test0(S("abcdefghijklmnopqrst"), "", S("abcdefghijklmnopqrst"));
56     test0(S("abcdefghijklmnopqrst"), "12345", S("abcdefghijklmnopqrst12345"));
57     test0(S("abcdefghijklmnopqrst"), "1234567890",
58           S("abcdefghijklmnopqrst1234567890"));
59     test0(S("abcdefghijklmnopqrst"), "12345678901234567890",
60           S("abcdefghijklmnopqrst12345678901234567890"));
61   }
62 #if TEST_STD_VER >= 11
63   {
64     typedef std::string S;
65     test1(S(""), "", S(""));
66     test1(S(""), "12345", S("12345"));
67     test1(S(""), "1234567890", S("1234567890"));
68     test1(S(""), "12345678901234567890", S("12345678901234567890"));
69     test1(S("abcde"), "", S("abcde"));
70     test1(S("abcde"), "12345", S("abcde12345"));
71     test1(S("abcde"), "1234567890", S("abcde1234567890"));
72     test1(S("abcde"), "12345678901234567890", S("abcde12345678901234567890"));
73     test1(S("abcdefghij"), "", S("abcdefghij"));
74     test1(S("abcdefghij"), "12345", S("abcdefghij12345"));
75     test1(S("abcdefghij"), "1234567890", S("abcdefghij1234567890"));
76     test1(S("abcdefghij"), "12345678901234567890",
77           S("abcdefghij12345678901234567890"));
78     test1(S("abcdefghijklmnopqrst"), "", S("abcdefghijklmnopqrst"));
79     test1(S("abcdefghijklmnopqrst"), "12345", S("abcdefghijklmnopqrst12345"));
80     test1(S("abcdefghijklmnopqrst"), "1234567890",
81           S("abcdefghijklmnopqrst1234567890"));
82     test1(S("abcdefghijklmnopqrst"), "12345678901234567890",
83           S("abcdefghijklmnopqrst12345678901234567890"));
84   }
85   {
86     typedef std::basic_string<char, std::char_traits<char>,
87                               min_allocator<char> >
88         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",
101           S("abcdefghij12345678901234567890"));
102     test0(S("abcdefghijklmnopqrst"), "", S("abcdefghijklmnopqrst"));
103     test0(S("abcdefghijklmnopqrst"), "12345", S("abcdefghijklmnopqrst12345"));
104     test0(S("abcdefghijklmnopqrst"), "1234567890",
105           S("abcdefghijklmnopqrst1234567890"));
106     test0(S("abcdefghijklmnopqrst"), "12345678901234567890",
107           S("abcdefghijklmnopqrst12345678901234567890"));
108 
109     test1(S(""), "", S(""));
110     test1(S(""), "12345", S("12345"));
111     test1(S(""), "1234567890", S("1234567890"));
112     test1(S(""), "12345678901234567890", S("12345678901234567890"));
113     test1(S("abcde"), "", S("abcde"));
114     test1(S("abcde"), "12345", S("abcde12345"));
115     test1(S("abcde"), "1234567890", S("abcde1234567890"));
116     test1(S("abcde"), "12345678901234567890", S("abcde12345678901234567890"));
117     test1(S("abcdefghij"), "", S("abcdefghij"));
118     test1(S("abcdefghij"), "12345", S("abcdefghij12345"));
119     test1(S("abcdefghij"), "1234567890", S("abcdefghij1234567890"));
120     test1(S("abcdefghij"), "12345678901234567890",
121           S("abcdefghij12345678901234567890"));
122     test1(S("abcdefghijklmnopqrst"), "", S("abcdefghijklmnopqrst"));
123     test1(S("abcdefghijklmnopqrst"), "12345", S("abcdefghijklmnopqrst12345"));
124     test1(S("abcdefghijklmnopqrst"), "1234567890",
125           S("abcdefghijklmnopqrst1234567890"));
126     test1(S("abcdefghijklmnopqrst"), "12345678901234567890",
127           S("abcdefghijklmnopqrst12345678901234567890"));
128   }
129 #endif
130 }
131