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 charT* lhs, const basic_string<charT,traits,Allocator>& rhs);
15
16 // template<class charT, class traits, class Allocator>
17 // basic_string<charT,traits,Allocator>&&
18 // operator+(const charT* lhs, basic_string<charT,traits,Allocator>&& 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 typename S::value_type * lhs,const S & rhs,const S & x)28 void test0(const typename S::value_type* lhs, const S& rhs, const S& x) {
29 assert(lhs + rhs == x);
30 }
31
32 #if TEST_STD_VER >= 11
33 template <class S>
test1(const typename S::value_type * lhs,S && rhs,const S & x)34 void test1(const typename S::value_type* lhs, S&& rhs, const S& x) {
35 assert(lhs + move(rhs) == x);
36 }
37 #endif
38
main()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("abcde", S(""), S("abcde"));
47 test0("abcde", S("12345"), S("abcde12345"));
48 test0("abcde", S("1234567890"), S("abcde1234567890"));
49 test0("abcde", S("12345678901234567890"), S("abcde12345678901234567890"));
50 test0("abcdefghij", S(""), S("abcdefghij"));
51 test0("abcdefghij", S("12345"), S("abcdefghij12345"));
52 test0("abcdefghij", S("1234567890"), S("abcdefghij1234567890"));
53 test0("abcdefghij", S("12345678901234567890"),
54 S("abcdefghij12345678901234567890"));
55 test0("abcdefghijklmnopqrst", S(""), S("abcdefghijklmnopqrst"));
56 test0("abcdefghijklmnopqrst", S("12345"), S("abcdefghijklmnopqrst12345"));
57 test0("abcdefghijklmnopqrst", S("1234567890"),
58 S("abcdefghijklmnopqrst1234567890"));
59 test0("abcdefghijklmnopqrst", S("12345678901234567890"),
60 S("abcdefghijklmnopqrst12345678901234567890"));
61 }
62
63 #if TEST_STD_VER >= 11
64 {
65 typedef std::string S;
66 test1("", S(""), S(""));
67 test1("", S("12345"), S("12345"));
68 test1("", S("1234567890"), S("1234567890"));
69 test1("", S("12345678901234567890"), S("12345678901234567890"));
70 test1("abcde", S(""), S("abcde"));
71 test1("abcde", S("12345"), S("abcde12345"));
72 test1("abcde", S("1234567890"), S("abcde1234567890"));
73 test1("abcde", S("12345678901234567890"), S("abcde12345678901234567890"));
74 test1("abcdefghij", S(""), S("abcdefghij"));
75 test1("abcdefghij", S("12345"), S("abcdefghij12345"));
76 test1("abcdefghij", S("1234567890"), S("abcdefghij1234567890"));
77 test1("abcdefghij", S("12345678901234567890"),
78 S("abcdefghij12345678901234567890"));
79 test1("abcdefghijklmnopqrst", S(""), S("abcdefghijklmnopqrst"));
80 test1("abcdefghijklmnopqrst", S("12345"), S("abcdefghijklmnopqrst12345"));
81 test1("abcdefghijklmnopqrst", S("1234567890"),
82 S("abcdefghijklmnopqrst1234567890"));
83 test1("abcdefghijklmnopqrst", S("12345678901234567890"),
84 S("abcdefghijklmnopqrst12345678901234567890"));
85 }
86 {
87 typedef std::basic_string<char, std::char_traits<char>,
88 min_allocator<char> >
89 S;
90 test0("", S(""), S(""));
91 test0("", S("12345"), S("12345"));
92 test0("", S("1234567890"), S("1234567890"));
93 test0("", S("12345678901234567890"), S("12345678901234567890"));
94 test0("abcde", S(""), S("abcde"));
95 test0("abcde", S("12345"), S("abcde12345"));
96 test0("abcde", S("1234567890"), S("abcde1234567890"));
97 test0("abcde", S("12345678901234567890"), S("abcde12345678901234567890"));
98 test0("abcdefghij", S(""), S("abcdefghij"));
99 test0("abcdefghij", S("12345"), S("abcdefghij12345"));
100 test0("abcdefghij", S("1234567890"), S("abcdefghij1234567890"));
101 test0("abcdefghij", S("12345678901234567890"),
102 S("abcdefghij12345678901234567890"));
103 test0("abcdefghijklmnopqrst", S(""), S("abcdefghijklmnopqrst"));
104 test0("abcdefghijklmnopqrst", S("12345"), S("abcdefghijklmnopqrst12345"));
105 test0("abcdefghijklmnopqrst", S("1234567890"),
106 S("abcdefghijklmnopqrst1234567890"));
107 test0("abcdefghijklmnopqrst", S("12345678901234567890"),
108 S("abcdefghijklmnopqrst12345678901234567890"));
109
110 test1("", S(""), S(""));
111 test1("", S("12345"), S("12345"));
112 test1("", S("1234567890"), S("1234567890"));
113 test1("", S("12345678901234567890"), S("12345678901234567890"));
114 test1("abcde", S(""), S("abcde"));
115 test1("abcde", S("12345"), S("abcde12345"));
116 test1("abcde", S("1234567890"), S("abcde1234567890"));
117 test1("abcde", S("12345678901234567890"), S("abcde12345678901234567890"));
118 test1("abcdefghij", S(""), S("abcdefghij"));
119 test1("abcdefghij", S("12345"), S("abcdefghij12345"));
120 test1("abcdefghij", S("1234567890"), S("abcdefghij1234567890"));
121 test1("abcdefghij", S("12345678901234567890"),
122 S("abcdefghij12345678901234567890"));
123 test1("abcdefghijklmnopqrst", S(""), S("abcdefghijklmnopqrst"));
124 test1("abcdefghijklmnopqrst", S("12345"), S("abcdefghijklmnopqrst12345"));
125 test1("abcdefghijklmnopqrst", S("1234567890"),
126 S("abcdefghijklmnopqrst1234567890"));
127 test1("abcdefghijklmnopqrst", S("12345678901234567890"),
128 S("abcdefghijklmnopqrst12345678901234567890"));
129 }
130 #endif
131 }
132