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