Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1 | //===----------------------------------------------------------------------===// |
| 2 | // |
Howard Hinnant | f5256e1 | 2010-05-11 21:36:01 +0000 | [diff] [blame] | 3 | // The LLVM Compiler Infrastructure |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 4 | // |
Howard Hinnant | b64f8b0 | 2010-11-16 22:09:02 +0000 | [diff] [blame] | 5 | // This file is dual licensed under the MIT and the University of Illinois Open |
| 6 | // Source Licenses. See LICENSE.TXT for details. |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | |
| 10 | // <string> |
| 11 | |
Howard Hinnant | 6e0a1f4 | 2010-08-22 00:47:54 +0000 | [diff] [blame] | 12 | // basic_string<charT,traits,Allocator>& |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 13 | // erase(size_type pos = 0, size_type n = npos); |
| 14 | |
| 15 | #include <string> |
| 16 | #include <stdexcept> |
| 17 | #include <cassert> |
| 18 | |
Marshall Clow | 061d0cc | 2013-11-26 20:58:02 +0000 | [diff] [blame] | 19 | #include "min_allocator.h" |
Howard Hinnant | 9dcdcde | 2013-06-28 16:59:19 +0000 | [diff] [blame] | 20 | |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 21 | template <class S> |
| 22 | void |
| 23 | test(S s, typename S::size_type pos, typename S::size_type n, S expected) |
| 24 | { |
| 25 | typename S::size_type old_size = s.size(); |
| 26 | S s0 = s; |
| 27 | try |
| 28 | { |
| 29 | s.erase(pos, n); |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 30 | assert(s.__invariants()); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 31 | assert(pos <= old_size); |
| 32 | assert(s == expected); |
| 33 | } |
| 34 | catch (std::out_of_range&) |
| 35 | { |
| 36 | assert(pos > old_size); |
| 37 | assert(s == s0); |
| 38 | } |
| 39 | } |
| 40 | |
| 41 | template <class S> |
| 42 | void |
| 43 | test(S s, typename S::size_type pos, S expected) |
| 44 | { |
| 45 | typename S::size_type old_size = s.size(); |
| 46 | S s0 = s; |
| 47 | try |
| 48 | { |
| 49 | s.erase(pos); |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 50 | assert(s.__invariants()); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 51 | assert(pos <= old_size); |
| 52 | assert(s == expected); |
| 53 | } |
| 54 | catch (std::out_of_range&) |
| 55 | { |
| 56 | assert(pos > old_size); |
| 57 | assert(s == s0); |
| 58 | } |
| 59 | } |
| 60 | |
| 61 | template <class S> |
| 62 | void |
| 63 | test(S s, S expected) |
| 64 | { |
| 65 | s.erase(); |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 66 | assert(s.__invariants()); |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 67 | assert(s == expected); |
| 68 | } |
| 69 | |
| 70 | int main() |
| 71 | { |
Howard Hinnant | 9dcdcde | 2013-06-28 16:59:19 +0000 | [diff] [blame] | 72 | { |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 73 | typedef std::string S; |
| 74 | test(S(""), 0, 0, S("")); |
| 75 | test(S(""), 0, 1, S("")); |
| 76 | test(S(""), 1, 0, S("can't happen")); |
| 77 | test(S("abcde"), 0, 0, S("abcde")); |
| 78 | test(S("abcde"), 0, 1, S("bcde")); |
| 79 | test(S("abcde"), 0, 2, S("cde")); |
| 80 | test(S("abcde"), 0, 4, S("e")); |
| 81 | test(S("abcde"), 0, 5, S("")); |
| 82 | test(S("abcde"), 0, 6, S("")); |
| 83 | test(S("abcde"), 1, 0, S("abcde")); |
| 84 | test(S("abcde"), 1, 1, S("acde")); |
| 85 | test(S("abcde"), 1, 2, S("ade")); |
| 86 | test(S("abcde"), 1, 3, S("ae")); |
| 87 | test(S("abcde"), 1, 4, S("a")); |
| 88 | test(S("abcde"), 1, 5, S("a")); |
| 89 | test(S("abcde"), 2, 0, S("abcde")); |
| 90 | test(S("abcde"), 2, 1, S("abde")); |
| 91 | test(S("abcde"), 2, 2, S("abe")); |
| 92 | test(S("abcde"), 2, 3, S("ab")); |
| 93 | test(S("abcde"), 2, 4, S("ab")); |
| 94 | test(S("abcde"), 4, 0, S("abcde")); |
| 95 | test(S("abcde"), 4, 1, S("abcd")); |
| 96 | test(S("abcde"), 4, 2, S("abcd")); |
| 97 | test(S("abcde"), 5, 0, S("abcde")); |
| 98 | test(S("abcde"), 5, 1, S("abcde")); |
| 99 | test(S("abcde"), 6, 0, S("can't happen")); |
| 100 | test(S("abcdefghij"), 0, 0, S("abcdefghij")); |
| 101 | test(S("abcdefghij"), 0, 1, S("bcdefghij")); |
| 102 | test(S("abcdefghij"), 0, 5, S("fghij")); |
| 103 | test(S("abcdefghij"), 0, 9, S("j")); |
| 104 | test(S("abcdefghij"), 0, 10, S("")); |
| 105 | test(S("abcdefghij"), 0, 11, S("")); |
| 106 | test(S("abcdefghij"), 1, 0, S("abcdefghij")); |
| 107 | test(S("abcdefghij"), 1, 1, S("acdefghij")); |
| 108 | test(S("abcdefghij"), 1, 4, S("afghij")); |
| 109 | test(S("abcdefghij"), 1, 8, S("aj")); |
| 110 | test(S("abcdefghij"), 1, 9, S("a")); |
| 111 | test(S("abcdefghij"), 1, 10, S("a")); |
| 112 | test(S("abcdefghij"), 5, 0, S("abcdefghij")); |
| 113 | test(S("abcdefghij"), 5, 1, S("abcdeghij")); |
| 114 | test(S("abcdefghij"), 5, 2, S("abcdehij")); |
| 115 | test(S("abcdefghij"), 5, 4, S("abcdej")); |
| 116 | test(S("abcdefghij"), 5, 5, S("abcde")); |
| 117 | test(S("abcdefghij"), 5, 6, S("abcde")); |
| 118 | test(S("abcdefghij"), 9, 0, S("abcdefghij")); |
| 119 | test(S("abcdefghij"), 9, 1, S("abcdefghi")); |
| 120 | test(S("abcdefghij"), 9, 2, S("abcdefghi")); |
| 121 | test(S("abcdefghij"), 10, 0, S("abcdefghij")); |
| 122 | test(S("abcdefghij"), 10, 1, S("abcdefghij")); |
| 123 | test(S("abcdefghij"), 11, 0, S("can't happen")); |
| 124 | test(S("abcdefghijklmnopqrst"), 0, 0, S("abcdefghijklmnopqrst")); |
| 125 | test(S("abcdefghijklmnopqrst"), 0, 1, S("bcdefghijklmnopqrst")); |
| 126 | test(S("abcdefghijklmnopqrst"), 0, 10, S("klmnopqrst")); |
| 127 | test(S("abcdefghijklmnopqrst"), 0, 19, S("t")); |
| 128 | test(S("abcdefghijklmnopqrst"), 0, 20, S("")); |
| 129 | test(S("abcdefghijklmnopqrst"), 0, 21, S("")); |
| 130 | test(S("abcdefghijklmnopqrst"), 1, 0, S("abcdefghijklmnopqrst")); |
| 131 | test(S("abcdefghijklmnopqrst"), 1, 1, S("acdefghijklmnopqrst")); |
| 132 | test(S("abcdefghijklmnopqrst"), 1, 9, S("aklmnopqrst")); |
| 133 | test(S("abcdefghijklmnopqrst"), 1, 18, S("at")); |
| 134 | test(S("abcdefghijklmnopqrst"), 1, 19, S("a")); |
| 135 | test(S("abcdefghijklmnopqrst"), 1, 20, S("a")); |
| 136 | test(S("abcdefghijklmnopqrst"), 10, 0, S("abcdefghijklmnopqrst")); |
| 137 | test(S("abcdefghijklmnopqrst"), 10, 1, S("abcdefghijlmnopqrst")); |
| 138 | test(S("abcdefghijklmnopqrst"), 10, 5, S("abcdefghijpqrst")); |
| 139 | test(S("abcdefghijklmnopqrst"), 10, 9, S("abcdefghijt")); |
| 140 | test(S("abcdefghijklmnopqrst"), 10, 10, S("abcdefghij")); |
| 141 | test(S("abcdefghijklmnopqrst"), 10, 11, S("abcdefghij")); |
| 142 | test(S("abcdefghijklmnopqrst"), 19, 0, S("abcdefghijklmnopqrst")); |
| 143 | test(S("abcdefghijklmnopqrst"), 19, 1, S("abcdefghijklmnopqrs")); |
| 144 | test(S("abcdefghijklmnopqrst"), 19, 2, S("abcdefghijklmnopqrs")); |
| 145 | test(S("abcdefghijklmnopqrst"), 20, 0, S("abcdefghijklmnopqrst")); |
| 146 | test(S("abcdefghijklmnopqrst"), 20, 1, S("abcdefghijklmnopqrst")); |
| 147 | test(S("abcdefghijklmnopqrst"), 21, 0, S("can't happen")); |
| 148 | |
| 149 | test(S(""), 0, S("")); |
| 150 | test(S(""), 1, S("can't happen")); |
| 151 | test(S("abcde"), 0, S("")); |
| 152 | test(S("abcde"), 1, S("a")); |
| 153 | test(S("abcde"), 2, S("ab")); |
| 154 | test(S("abcde"), 4, S("abcd")); |
| 155 | test(S("abcde"), 5, S("abcde")); |
| 156 | test(S("abcde"), 6, S("can't happen")); |
| 157 | test(S("abcdefghij"), 0, S("")); |
| 158 | test(S("abcdefghij"), 1, S("a")); |
| 159 | test(S("abcdefghij"), 5, S("abcde")); |
| 160 | test(S("abcdefghij"), 9, S("abcdefghi")); |
| 161 | test(S("abcdefghij"), 10, S("abcdefghij")); |
| 162 | test(S("abcdefghij"), 11, S("can't happen")); |
| 163 | test(S("abcdefghijklmnopqrst"), 0, S("")); |
| 164 | test(S("abcdefghijklmnopqrst"), 1, S("a")); |
| 165 | test(S("abcdefghijklmnopqrst"), 10, S("abcdefghij")); |
| 166 | test(S("abcdefghijklmnopqrst"), 19, S("abcdefghijklmnopqrs")); |
| 167 | test(S("abcdefghijklmnopqrst"), 20, S("abcdefghijklmnopqrst")); |
| 168 | test(S("abcdefghijklmnopqrst"), 21, S("can't happen")); |
| 169 | |
| 170 | test(S(""), S("")); |
| 171 | test(S("abcde"), S("")); |
| 172 | test(S("abcdefghij"), S("")); |
| 173 | test(S("abcdefghijklmnopqrst"), S("")); |
Howard Hinnant | 9dcdcde | 2013-06-28 16:59:19 +0000 | [diff] [blame] | 174 | } |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 175 | #if __cplusplus >= 201103L |
Howard Hinnant | 9dcdcde | 2013-06-28 16:59:19 +0000 | [diff] [blame] | 176 | { |
| 177 | typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S; |
| 178 | test(S(""), 0, 0, S("")); |
| 179 | test(S(""), 0, 1, S("")); |
| 180 | test(S(""), 1, 0, S("can't happen")); |
| 181 | test(S("abcde"), 0, 0, S("abcde")); |
| 182 | test(S("abcde"), 0, 1, S("bcde")); |
| 183 | test(S("abcde"), 0, 2, S("cde")); |
| 184 | test(S("abcde"), 0, 4, S("e")); |
| 185 | test(S("abcde"), 0, 5, S("")); |
| 186 | test(S("abcde"), 0, 6, S("")); |
| 187 | test(S("abcde"), 1, 0, S("abcde")); |
| 188 | test(S("abcde"), 1, 1, S("acde")); |
| 189 | test(S("abcde"), 1, 2, S("ade")); |
| 190 | test(S("abcde"), 1, 3, S("ae")); |
| 191 | test(S("abcde"), 1, 4, S("a")); |
| 192 | test(S("abcde"), 1, 5, S("a")); |
| 193 | test(S("abcde"), 2, 0, S("abcde")); |
| 194 | test(S("abcde"), 2, 1, S("abde")); |
| 195 | test(S("abcde"), 2, 2, S("abe")); |
| 196 | test(S("abcde"), 2, 3, S("ab")); |
| 197 | test(S("abcde"), 2, 4, S("ab")); |
| 198 | test(S("abcde"), 4, 0, S("abcde")); |
| 199 | test(S("abcde"), 4, 1, S("abcd")); |
| 200 | test(S("abcde"), 4, 2, S("abcd")); |
| 201 | test(S("abcde"), 5, 0, S("abcde")); |
| 202 | test(S("abcde"), 5, 1, S("abcde")); |
| 203 | test(S("abcde"), 6, 0, S("can't happen")); |
| 204 | test(S("abcdefghij"), 0, 0, S("abcdefghij")); |
| 205 | test(S("abcdefghij"), 0, 1, S("bcdefghij")); |
| 206 | test(S("abcdefghij"), 0, 5, S("fghij")); |
| 207 | test(S("abcdefghij"), 0, 9, S("j")); |
| 208 | test(S("abcdefghij"), 0, 10, S("")); |
| 209 | test(S("abcdefghij"), 0, 11, S("")); |
| 210 | test(S("abcdefghij"), 1, 0, S("abcdefghij")); |
| 211 | test(S("abcdefghij"), 1, 1, S("acdefghij")); |
| 212 | test(S("abcdefghij"), 1, 4, S("afghij")); |
| 213 | test(S("abcdefghij"), 1, 8, S("aj")); |
| 214 | test(S("abcdefghij"), 1, 9, S("a")); |
| 215 | test(S("abcdefghij"), 1, 10, S("a")); |
| 216 | test(S("abcdefghij"), 5, 0, S("abcdefghij")); |
| 217 | test(S("abcdefghij"), 5, 1, S("abcdeghij")); |
| 218 | test(S("abcdefghij"), 5, 2, S("abcdehij")); |
| 219 | test(S("abcdefghij"), 5, 4, S("abcdej")); |
| 220 | test(S("abcdefghij"), 5, 5, S("abcde")); |
| 221 | test(S("abcdefghij"), 5, 6, S("abcde")); |
| 222 | test(S("abcdefghij"), 9, 0, S("abcdefghij")); |
| 223 | test(S("abcdefghij"), 9, 1, S("abcdefghi")); |
| 224 | test(S("abcdefghij"), 9, 2, S("abcdefghi")); |
| 225 | test(S("abcdefghij"), 10, 0, S("abcdefghij")); |
| 226 | test(S("abcdefghij"), 10, 1, S("abcdefghij")); |
| 227 | test(S("abcdefghij"), 11, 0, S("can't happen")); |
| 228 | test(S("abcdefghijklmnopqrst"), 0, 0, S("abcdefghijklmnopqrst")); |
| 229 | test(S("abcdefghijklmnopqrst"), 0, 1, S("bcdefghijklmnopqrst")); |
| 230 | test(S("abcdefghijklmnopqrst"), 0, 10, S("klmnopqrst")); |
| 231 | test(S("abcdefghijklmnopqrst"), 0, 19, S("t")); |
| 232 | test(S("abcdefghijklmnopqrst"), 0, 20, S("")); |
| 233 | test(S("abcdefghijklmnopqrst"), 0, 21, S("")); |
| 234 | test(S("abcdefghijklmnopqrst"), 1, 0, S("abcdefghijklmnopqrst")); |
| 235 | test(S("abcdefghijklmnopqrst"), 1, 1, S("acdefghijklmnopqrst")); |
| 236 | test(S("abcdefghijklmnopqrst"), 1, 9, S("aklmnopqrst")); |
| 237 | test(S("abcdefghijklmnopqrst"), 1, 18, S("at")); |
| 238 | test(S("abcdefghijklmnopqrst"), 1, 19, S("a")); |
| 239 | test(S("abcdefghijklmnopqrst"), 1, 20, S("a")); |
| 240 | test(S("abcdefghijklmnopqrst"), 10, 0, S("abcdefghijklmnopqrst")); |
| 241 | test(S("abcdefghijklmnopqrst"), 10, 1, S("abcdefghijlmnopqrst")); |
| 242 | test(S("abcdefghijklmnopqrst"), 10, 5, S("abcdefghijpqrst")); |
| 243 | test(S("abcdefghijklmnopqrst"), 10, 9, S("abcdefghijt")); |
| 244 | test(S("abcdefghijklmnopqrst"), 10, 10, S("abcdefghij")); |
| 245 | test(S("abcdefghijklmnopqrst"), 10, 11, S("abcdefghij")); |
| 246 | test(S("abcdefghijklmnopqrst"), 19, 0, S("abcdefghijklmnopqrst")); |
| 247 | test(S("abcdefghijklmnopqrst"), 19, 1, S("abcdefghijklmnopqrs")); |
| 248 | test(S("abcdefghijklmnopqrst"), 19, 2, S("abcdefghijklmnopqrs")); |
| 249 | test(S("abcdefghijklmnopqrst"), 20, 0, S("abcdefghijklmnopqrst")); |
| 250 | test(S("abcdefghijklmnopqrst"), 20, 1, S("abcdefghijklmnopqrst")); |
| 251 | test(S("abcdefghijklmnopqrst"), 21, 0, S("can't happen")); |
| 252 | |
| 253 | test(S(""), 0, S("")); |
| 254 | test(S(""), 1, S("can't happen")); |
| 255 | test(S("abcde"), 0, S("")); |
| 256 | test(S("abcde"), 1, S("a")); |
| 257 | test(S("abcde"), 2, S("ab")); |
| 258 | test(S("abcde"), 4, S("abcd")); |
| 259 | test(S("abcde"), 5, S("abcde")); |
| 260 | test(S("abcde"), 6, S("can't happen")); |
| 261 | test(S("abcdefghij"), 0, S("")); |
| 262 | test(S("abcdefghij"), 1, S("a")); |
| 263 | test(S("abcdefghij"), 5, S("abcde")); |
| 264 | test(S("abcdefghij"), 9, S("abcdefghi")); |
| 265 | test(S("abcdefghij"), 10, S("abcdefghij")); |
| 266 | test(S("abcdefghij"), 11, S("can't happen")); |
| 267 | test(S("abcdefghijklmnopqrst"), 0, S("")); |
| 268 | test(S("abcdefghijklmnopqrst"), 1, S("a")); |
| 269 | test(S("abcdefghijklmnopqrst"), 10, S("abcdefghij")); |
| 270 | test(S("abcdefghijklmnopqrst"), 19, S("abcdefghijklmnopqrs")); |
| 271 | test(S("abcdefghijklmnopqrst"), 20, S("abcdefghijklmnopqrst")); |
| 272 | test(S("abcdefghijklmnopqrst"), 21, S("can't happen")); |
| 273 | |
| 274 | test(S(""), S("")); |
| 275 | test(S("abcde"), S("")); |
| 276 | test(S("abcdefghij"), S("")); |
| 277 | test(S("abcdefghijklmnopqrst"), S("")); |
| 278 | } |
| 279 | #endif |
Howard Hinnant | bc8d3f9 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 280 | } |