1 //===----------------------------------------------------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 // <string> 10 11 // basic_string<charT,traits,Allocator>& 12 // insert(size_type pos, string_view sv); 13 14 // When back-deploying to macosx10.7, the RTTI for exception classes 15 // incorrectly provided by libc++.dylib is mixed with the one in 16 // libc++abi.dylib and exceptions are not caught properly. 17 // XFAIL: with_system_cxx_lib=macosx10.7 18 19 #include <string> 20 #include <stdexcept> 21 #include <cassert> 22 23 #include "test_macros.h" 24 #include "min_allocator.h" 25 26 template <class S, class SV> 27 void 28 test(S s, typename S::size_type pos, SV sv, S expected) 29 { 30 const typename S::size_type old_size = s.size(); 31 S s0 = s; 32 if (pos <= old_size) 33 { 34 s.insert(pos, sv); 35 LIBCPP_ASSERT(s.__invariants()); 36 assert(s == expected); 37 } 38 #ifndef TEST_HAS_NO_EXCEPTIONS 39 else 40 { 41 try 42 { 43 s.insert(pos, sv); 44 assert(false); 45 } 46 catch (std::out_of_range&) 47 { 48 assert(pos > old_size); 49 assert(s == s0); 50 } 51 } 52 #endif 53 } 54 55 int main(int, char**) 56 { 57 { 58 typedef std::string S; 59 typedef std::string_view SV; 60 test(S(""), 0, SV(""), S("")); 61 test(S(""), 0, SV("12345"), S("12345")); 62 test(S(""), 0, SV("1234567890"), S("1234567890")); 63 test(S(""), 0, SV("12345678901234567890"), S("12345678901234567890")); 64 test(S(""), 1, SV(""), S("can't happen")); 65 test(S(""), 1, SV("12345"), S("can't happen")); 66 test(S(""), 1, SV("1234567890"), S("can't happen")); 67 test(S(""), 1, SV("12345678901234567890"), S("can't happen")); 68 test(S("abcde"), 0, SV(""), S("abcde")); 69 test(S("abcde"), 0, SV("12345"), S("12345abcde")); 70 test(S("abcde"), 0, SV("1234567890"), S("1234567890abcde")); 71 test(S("abcde"), 0, SV("12345678901234567890"), S("12345678901234567890abcde")); 72 test(S("abcde"), 1, SV(""), S("abcde")); 73 test(S("abcde"), 1, SV("12345"), S("a12345bcde")); 74 test(S("abcde"), 1, SV("1234567890"), S("a1234567890bcde")); 75 test(S("abcde"), 1, SV("12345678901234567890"), S("a12345678901234567890bcde")); 76 test(S("abcde"), 2, SV(""), S("abcde")); 77 test(S("abcde"), 2, SV("12345"), S("ab12345cde")); 78 test(S("abcde"), 2, SV("1234567890"), S("ab1234567890cde")); 79 test(S("abcde"), 2, SV("12345678901234567890"), S("ab12345678901234567890cde")); 80 test(S("abcde"), 4, SV(""), S("abcde")); 81 test(S("abcde"), 4, SV("12345"), S("abcd12345e")); 82 test(S("abcde"), 4, SV("1234567890"), S("abcd1234567890e")); 83 test(S("abcde"), 4, SV("12345678901234567890"), S("abcd12345678901234567890e")); 84 test(S("abcde"), 5, SV(""), S("abcde")); 85 test(S("abcde"), 5, SV("12345"), S("abcde12345")); 86 test(S("abcde"), 5, SV("1234567890"), S("abcde1234567890")); 87 test(S("abcde"), 5, SV("12345678901234567890"), S("abcde12345678901234567890")); 88 test(S("abcde"), 6, SV(""), S("can't happen")); 89 test(S("abcde"), 6, SV("12345"), S("can't happen")); 90 test(S("abcde"), 6, SV("1234567890"), S("can't happen")); 91 test(S("abcde"), 6, SV("12345678901234567890"), S("can't happen")); 92 test(S("abcdefghij"), 0, SV(""), S("abcdefghij")); 93 test(S("abcdefghij"), 0, SV("12345"), S("12345abcdefghij")); 94 test(S("abcdefghij"), 0, SV("1234567890"), S("1234567890abcdefghij")); 95 test(S("abcdefghij"), 0, SV("12345678901234567890"), S("12345678901234567890abcdefghij")); 96 test(S("abcdefghij"), 1, SV(""), S("abcdefghij")); 97 test(S("abcdefghij"), 1, SV("12345"), S("a12345bcdefghij")); 98 test(S("abcdefghij"), 1, SV("1234567890"), S("a1234567890bcdefghij")); 99 test(S("abcdefghij"), 1, SV("12345678901234567890"), S("a12345678901234567890bcdefghij")); 100 test(S("abcdefghij"), 5, SV(""), S("abcdefghij")); 101 test(S("abcdefghij"), 5, SV("12345"), S("abcde12345fghij")); 102 test(S("abcdefghij"), 5, SV("1234567890"), S("abcde1234567890fghij")); 103 test(S("abcdefghij"), 5, SV("12345678901234567890"), S("abcde12345678901234567890fghij")); 104 test(S("abcdefghij"), 9, SV(""), S("abcdefghij")); 105 test(S("abcdefghij"), 9, SV("12345"), S("abcdefghi12345j")); 106 test(S("abcdefghij"), 9, SV("1234567890"), S("abcdefghi1234567890j")); 107 test(S("abcdefghij"), 9, SV("12345678901234567890"), S("abcdefghi12345678901234567890j")); 108 test(S("abcdefghij"), 10, SV(""), S("abcdefghij")); 109 test(S("abcdefghij"), 10, SV("12345"), S("abcdefghij12345")); 110 test(S("abcdefghij"), 10, SV("1234567890"), S("abcdefghij1234567890")); 111 test(S("abcdefghij"), 10, SV("12345678901234567890"), S("abcdefghij12345678901234567890")); 112 test(S("abcdefghij"), 11, SV(""), S("can't happen")); 113 test(S("abcdefghij"), 11, SV("12345"), S("can't happen")); 114 test(S("abcdefghij"), 11, SV("1234567890"), S("can't happen")); 115 test(S("abcdefghij"), 11, SV("12345678901234567890"), S("can't happen")); 116 test(S("abcdefghijklmnopqrst"), 0, SV(""), S("abcdefghijklmnopqrst")); 117 test(S("abcdefghijklmnopqrst"), 0, SV("12345"), S("12345abcdefghijklmnopqrst")); 118 test(S("abcdefghijklmnopqrst"), 0, SV("1234567890"), S("1234567890abcdefghijklmnopqrst")); 119 test(S("abcdefghijklmnopqrst"), 0, SV("12345678901234567890"), S("12345678901234567890abcdefghijklmnopqrst")); 120 test(S("abcdefghijklmnopqrst"), 1, SV(""), S("abcdefghijklmnopqrst")); 121 test(S("abcdefghijklmnopqrst"), 1, SV("12345"), S("a12345bcdefghijklmnopqrst")); 122 test(S("abcdefghijklmnopqrst"), 1, SV("1234567890"), S("a1234567890bcdefghijklmnopqrst")); 123 test(S("abcdefghijklmnopqrst"), 1, SV("12345678901234567890"), S("a12345678901234567890bcdefghijklmnopqrst")); 124 test(S("abcdefghijklmnopqrst"), 10, SV(""), S("abcdefghijklmnopqrst")); 125 test(S("abcdefghijklmnopqrst"), 10, SV("12345"), S("abcdefghij12345klmnopqrst")); 126 test(S("abcdefghijklmnopqrst"), 10, SV("1234567890"), S("abcdefghij1234567890klmnopqrst")); 127 test(S("abcdefghijklmnopqrst"), 10, SV("12345678901234567890"), S("abcdefghij12345678901234567890klmnopqrst")); 128 test(S("abcdefghijklmnopqrst"), 19, SV(""), S("abcdefghijklmnopqrst")); 129 test(S("abcdefghijklmnopqrst"), 19, SV("12345"), S("abcdefghijklmnopqrs12345t")); 130 test(S("abcdefghijklmnopqrst"), 19, SV("1234567890"), S("abcdefghijklmnopqrs1234567890t")); 131 test(S("abcdefghijklmnopqrst"), 19, SV("12345678901234567890"), S("abcdefghijklmnopqrs12345678901234567890t")); 132 test(S("abcdefghijklmnopqrst"), 20, SV(""), S("abcdefghijklmnopqrst")); 133 test(S("abcdefghijklmnopqrst"), 20, SV("12345"), S("abcdefghijklmnopqrst12345")); 134 test(S("abcdefghijklmnopqrst"), 20, SV("1234567890"), S("abcdefghijklmnopqrst1234567890")); 135 test(S("abcdefghijklmnopqrst"), 20, SV("12345678901234567890"), S("abcdefghijklmnopqrst12345678901234567890")); 136 test(S("abcdefghijklmnopqrst"), 21, SV(""), S("can't happen")); 137 test(S("abcdefghijklmnopqrst"), 21, SV("12345"), S("can't happen")); 138 test(S("abcdefghijklmnopqrst"), 21, SV("1234567890"), S("can't happen")); 139 test(S("abcdefghijklmnopqrst"), 21, SV("12345678901234567890"), S("can't happen")); 140 } 141 #if TEST_STD_VER >= 11 142 { 143 typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S; 144 typedef std::string_view SV; 145 test(S(""), 0, SV(""), S("")); 146 test(S(""), 0, SV("12345"), S("12345")); 147 test(S(""), 0, SV("1234567890"), S("1234567890")); 148 test(S(""), 0, SV("12345678901234567890"), S("12345678901234567890")); 149 test(S(""), 1, SV(""), S("can't happen")); 150 test(S(""), 1, SV("12345"), S("can't happen")); 151 test(S(""), 1, SV("1234567890"), S("can't happen")); 152 test(S(""), 1, SV("12345678901234567890"), S("can't happen")); 153 test(S("abcde"), 0, SV(""), S("abcde")); 154 test(S("abcde"), 0, SV("12345"), S("12345abcde")); 155 test(S("abcde"), 0, SV("1234567890"), S("1234567890abcde")); 156 test(S("abcde"), 0, SV("12345678901234567890"), S("12345678901234567890abcde")); 157 test(S("abcde"), 1, SV(""), S("abcde")); 158 test(S("abcde"), 1, SV("12345"), S("a12345bcde")); 159 test(S("abcde"), 1, SV("1234567890"), S("a1234567890bcde")); 160 test(S("abcde"), 1, SV("12345678901234567890"), S("a12345678901234567890bcde")); 161 test(S("abcde"), 2, SV(""), S("abcde")); 162 test(S("abcde"), 2, SV("12345"), S("ab12345cde")); 163 test(S("abcde"), 2, SV("1234567890"), S("ab1234567890cde")); 164 test(S("abcde"), 2, SV("12345678901234567890"), S("ab12345678901234567890cde")); 165 test(S("abcde"), 4, SV(""), S("abcde")); 166 test(S("abcde"), 4, SV("12345"), S("abcd12345e")); 167 test(S("abcde"), 4, SV("1234567890"), S("abcd1234567890e")); 168 test(S("abcde"), 4, SV("12345678901234567890"), S("abcd12345678901234567890e")); 169 test(S("abcde"), 5, SV(""), S("abcde")); 170 test(S("abcde"), 5, SV("12345"), S("abcde12345")); 171 test(S("abcde"), 5, SV("1234567890"), S("abcde1234567890")); 172 test(S("abcde"), 5, SV("12345678901234567890"), S("abcde12345678901234567890")); 173 test(S("abcde"), 6, SV(""), S("can't happen")); 174 test(S("abcde"), 6, SV("12345"), S("can't happen")); 175 test(S("abcde"), 6, SV("1234567890"), S("can't happen")); 176 test(S("abcde"), 6, SV("12345678901234567890"), S("can't happen")); 177 test(S("abcdefghij"), 0, SV(""), S("abcdefghij")); 178 test(S("abcdefghij"), 0, SV("12345"), S("12345abcdefghij")); 179 test(S("abcdefghij"), 0, SV("1234567890"), S("1234567890abcdefghij")); 180 test(S("abcdefghij"), 0, SV("12345678901234567890"), S("12345678901234567890abcdefghij")); 181 test(S("abcdefghij"), 1, SV(""), S("abcdefghij")); 182 test(S("abcdefghij"), 1, SV("12345"), S("a12345bcdefghij")); 183 test(S("abcdefghij"), 1, SV("1234567890"), S("a1234567890bcdefghij")); 184 test(S("abcdefghij"), 1, SV("12345678901234567890"), S("a12345678901234567890bcdefghij")); 185 test(S("abcdefghij"), 5, SV(""), S("abcdefghij")); 186 test(S("abcdefghij"), 5, SV("12345"), S("abcde12345fghij")); 187 test(S("abcdefghij"), 5, SV("1234567890"), S("abcde1234567890fghij")); 188 test(S("abcdefghij"), 5, SV("12345678901234567890"), S("abcde12345678901234567890fghij")); 189 test(S("abcdefghij"), 9, SV(""), S("abcdefghij")); 190 test(S("abcdefghij"), 9, SV("12345"), S("abcdefghi12345j")); 191 test(S("abcdefghij"), 9, SV("1234567890"), S("abcdefghi1234567890j")); 192 test(S("abcdefghij"), 9, SV("12345678901234567890"), S("abcdefghi12345678901234567890j")); 193 test(S("abcdefghij"), 10, SV(""), S("abcdefghij")); 194 test(S("abcdefghij"), 10, SV("12345"), S("abcdefghij12345")); 195 test(S("abcdefghij"), 10, SV("1234567890"), S("abcdefghij1234567890")); 196 test(S("abcdefghij"), 10, SV("12345678901234567890"), S("abcdefghij12345678901234567890")); 197 test(S("abcdefghij"), 11, SV(""), S("can't happen")); 198 test(S("abcdefghij"), 11, SV("12345"), S("can't happen")); 199 test(S("abcdefghij"), 11, SV("1234567890"), S("can't happen")); 200 test(S("abcdefghij"), 11, SV("12345678901234567890"), S("can't happen")); 201 test(S("abcdefghijklmnopqrst"), 0, SV(""), S("abcdefghijklmnopqrst")); 202 test(S("abcdefghijklmnopqrst"), 0, SV("12345"), S("12345abcdefghijklmnopqrst")); 203 test(S("abcdefghijklmnopqrst"), 0, SV("1234567890"), S("1234567890abcdefghijklmnopqrst")); 204 test(S("abcdefghijklmnopqrst"), 0, SV("12345678901234567890"), S("12345678901234567890abcdefghijklmnopqrst")); 205 test(S("abcdefghijklmnopqrst"), 1, SV(""), S("abcdefghijklmnopqrst")); 206 test(S("abcdefghijklmnopqrst"), 1, SV("12345"), S("a12345bcdefghijklmnopqrst")); 207 test(S("abcdefghijklmnopqrst"), 1, SV("1234567890"), S("a1234567890bcdefghijklmnopqrst")); 208 test(S("abcdefghijklmnopqrst"), 1, SV("12345678901234567890"), S("a12345678901234567890bcdefghijklmnopqrst")); 209 test(S("abcdefghijklmnopqrst"), 10, SV(""), S("abcdefghijklmnopqrst")); 210 test(S("abcdefghijklmnopqrst"), 10, SV("12345"), S("abcdefghij12345klmnopqrst")); 211 test(S("abcdefghijklmnopqrst"), 10, SV("1234567890"), S("abcdefghij1234567890klmnopqrst")); 212 test(S("abcdefghijklmnopqrst"), 10, SV("12345678901234567890"), S("abcdefghij12345678901234567890klmnopqrst")); 213 test(S("abcdefghijklmnopqrst"), 19, SV(""), S("abcdefghijklmnopqrst")); 214 test(S("abcdefghijklmnopqrst"), 19, SV("12345"), S("abcdefghijklmnopqrs12345t")); 215 test(S("abcdefghijklmnopqrst"), 19, SV("1234567890"), S("abcdefghijklmnopqrs1234567890t")); 216 test(S("abcdefghijklmnopqrst"), 19, SV("12345678901234567890"), S("abcdefghijklmnopqrs12345678901234567890t")); 217 test(S("abcdefghijklmnopqrst"), 20, SV(""), S("abcdefghijklmnopqrst")); 218 test(S("abcdefghijklmnopqrst"), 20, SV("12345"), S("abcdefghijklmnopqrst12345")); 219 test(S("abcdefghijklmnopqrst"), 20, SV("1234567890"), S("abcdefghijklmnopqrst1234567890")); 220 test(S("abcdefghijklmnopqrst"), 20, SV("12345678901234567890"), S("abcdefghijklmnopqrst12345678901234567890")); 221 test(S("abcdefghijklmnopqrst"), 21, SV(""), S("can't happen")); 222 test(S("abcdefghijklmnopqrst"), 21, SV("12345"), S("can't happen")); 223 test(S("abcdefghijklmnopqrst"), 21, SV("1234567890"), S("can't happen")); 224 test(S("abcdefghijklmnopqrst"), 21, SV("12345678901234567890"), S("can't happen")); 225 } 226 #endif 227 228 { // test inserting into self 229 typedef std::string S; 230 S s_short = "123/"; 231 S s_long = "Lorem ipsum dolor sit amet, consectetur/"; 232 233 s_short.insert(0, s_short.c_str()); 234 assert(s_short == "123/123/"); 235 s_short.insert(0, s_short.c_str()); 236 assert(s_short == "123/123/123/123/"); 237 s_short.insert(0, s_short.c_str()); 238 assert(s_short == "123/123/123/123/123/123/123/123/"); 239 240 s_long.insert(0, s_long.c_str()); 241 assert(s_long == "Lorem ipsum dolor sit amet, consectetur/Lorem ipsum dolor sit amet, consectetur/"); 242 } 243 244 return 0; 245 } 246