Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1 | // Copyright 2014 the V8 project authors. All rights reserved. |
| 2 | // Redistribution and use in source and binary forms, with or without |
| 3 | // modification, are permitted provided that the following conditions are |
| 4 | // met: |
| 5 | // |
| 6 | // * Redistributions of source code must retain the above copyright |
| 7 | // notice, this list of conditions and the following disclaimer. |
| 8 | // * Redistributions in binary form must reproduce the above |
| 9 | // copyright notice, this list of conditions and the following |
| 10 | // disclaimer in the documentation and/or other materials provided |
| 11 | // with the distribution. |
| 12 | // * Neither the name of Google Inc. nor the names of its |
| 13 | // contributors may be used to endorse or promote products derived |
| 14 | // from this software without specific prior written permission. |
| 15 | // |
| 16 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 17 | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 18 | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 19 | // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 20 | // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 21 | // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 22 | // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 23 | // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 | // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 26 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | |
| 28 | // Flags: --harmony-strings |
| 29 | |
| 30 | assertEquals(1, String.prototype.endsWith.length); |
| 31 | |
| 32 | var testString = "Hello World"; |
| 33 | assertTrue(testString.endsWith("")); |
| 34 | assertTrue(testString.endsWith("World")); |
| 35 | assertFalse(testString.endsWith("world")); |
| 36 | assertFalse(testString.endsWith("Hello World!")); |
| 37 | assertFalse(testString.endsWith(null)); |
| 38 | assertFalse(testString.endsWith(undefined)); |
| 39 | |
| 40 | assertTrue("null".endsWith(null)); |
| 41 | assertTrue("undefined".endsWith(undefined)); |
| 42 | |
| 43 | var georgianUnicodeString = "\u10D0\u10D1\u10D2\u10D3\u10D4\u10D5\u10D6\u10D7"; |
| 44 | assertTrue(georgianUnicodeString.endsWith(georgianUnicodeString)); |
| 45 | assertTrue(georgianUnicodeString.endsWith("\u10D4\u10D5\u10D6\u10D7")); |
| 46 | assertFalse(georgianUnicodeString.endsWith("\u10D0")); |
| 47 | |
| 48 | assertThrows("String.prototype.endsWith.call(null, 'test')", TypeError); |
| 49 | assertThrows("String.prototype.endsWith.call(null, null)", TypeError); |
| 50 | assertThrows("String.prototype.endsWith.call(undefined, undefined)", TypeError); |
| 51 | |
| 52 | assertThrows("String.prototype.endsWith.apply(null, ['test'])", TypeError); |
| 53 | assertThrows("String.prototype.endsWith.apply(null, [null])", TypeError); |
| 54 | assertThrows("String.prototype.endsWith.apply(undefined, [undefined])", TypeError); |
| 55 | |
| 56 | var TEST_INPUT = [{ |
| 57 | msg: "Empty string", val: "" |
| 58 | }, { |
| 59 | msg: "Number 1234.34", val: 1234.34 |
| 60 | }, { |
| 61 | msg: "Integer number 0", val: 0 |
| 62 | }, { |
| 63 | msg: "Negative number -1", val: -1 |
| 64 | }, { |
| 65 | msg: "Boolean true", val: true |
| 66 | }, { |
| 67 | msg: "Boolean false", val: false |
| 68 | }, { |
| 69 | msg: "Empty array []", val: [] |
| 70 | }, { |
| 71 | msg: "Empty object {}", val: {} |
| 72 | }, { |
| 73 | msg: "Array of size 3", val: new Array(3) |
| 74 | }]; |
| 75 | |
| 76 | function testNonStringValues() { |
| 77 | var i = 0; |
| 78 | var l = TEST_INPUT.length; |
| 79 | |
| 80 | for (; i < l; i++) { |
| 81 | var e = TEST_INPUT[i]; |
| 82 | var v = e.val; |
| 83 | var s = String(v); |
| 84 | assertTrue(s.endsWith(v), e.msg); |
| 85 | assertTrue(String.prototype.endsWith.call(v, v), e.msg); |
| 86 | assertTrue(String.prototype.endsWith.apply(v, [v]), e.msg); |
| 87 | } |
| 88 | } |
| 89 | testNonStringValues(); |
| 90 | |
| 91 | var CustomType = function(value) { |
| 92 | this.endsWith = String.prototype.endsWith; |
| 93 | this.toString = function() { |
| 94 | return String(value); |
| 95 | } |
| 96 | }; |
| 97 | |
| 98 | function testCutomType() { |
| 99 | var i = 0; |
| 100 | var l = TEST_INPUT.length; |
| 101 | |
| 102 | for (; i < l; i++) { |
| 103 | var e = TEST_INPUT[i]; |
| 104 | var v = e.val; |
| 105 | var o = new CustomType(v); |
| 106 | assertTrue(o.endsWith(v), e.msg); |
| 107 | } |
| 108 | } |
| 109 | testCutomType(); |
| 110 | |
| 111 | |
| 112 | // Test cases found in FF |
| 113 | assertTrue("abc".endsWith("abc")); |
| 114 | assertTrue("abcd".endsWith("bcd")); |
| 115 | assertTrue("abc".endsWith("c")); |
| 116 | assertFalse("abc".endsWith("abcd")); |
| 117 | assertFalse("abc".endsWith("bbc")); |
| 118 | assertFalse("abc".endsWith("b")); |
| 119 | assertTrue("abc".endsWith("abc", 3)); |
| 120 | assertTrue("abc".endsWith("bc", 3)); |
| 121 | assertFalse("abc".endsWith("a", 3)); |
| 122 | assertTrue("abc".endsWith("bc", 3)); |
| 123 | assertTrue("abc".endsWith("a", 1)); |
| 124 | assertFalse("abc".endsWith("abc", 1)); |
| 125 | assertTrue("abc".endsWith("b", 2)); |
| 126 | assertFalse("abc".endsWith("d", 2)); |
| 127 | assertFalse("abc".endsWith("dcd", 2)); |
| 128 | assertFalse("abc".endsWith("a", 42)); |
| 129 | assertTrue("abc".endsWith("bc", Infinity)); |
| 130 | assertFalse("abc".endsWith("a", Infinity)); |
| 131 | assertTrue("abc".endsWith("bc", undefined)); |
| 132 | assertFalse("abc".endsWith("bc", -43)); |
| 133 | assertFalse("abc".endsWith("bc", -Infinity)); |
| 134 | assertFalse("abc".endsWith("bc", NaN)); |
| 135 | |
| 136 | // Test cases taken from |
| 137 | // https://github.com/mathiasbynens/String.prototype.endsWith/blob/master/tests/tests.js |
| 138 | Object.prototype[1] = 2; // try to break `arguments[1]` |
| 139 | |
| 140 | assertEquals(String.prototype.endsWith.length, 1); |
| 141 | assertEquals(String.prototype.propertyIsEnumerable("endsWith"), false); |
| 142 | |
| 143 | assertEquals("undefined".endsWith(), true); |
| 144 | assertEquals("undefined".endsWith(undefined), true); |
| 145 | assertEquals("undefined".endsWith(null), false); |
| 146 | assertEquals("null".endsWith(), false); |
| 147 | assertEquals("null".endsWith(undefined), false); |
| 148 | assertEquals("null".endsWith(null), true); |
| 149 | |
| 150 | assertEquals("abc".endsWith(), false); |
| 151 | assertEquals("abc".endsWith(""), true); |
| 152 | assertEquals("abc".endsWith("\0"), false); |
| 153 | assertEquals("abc".endsWith("c"), true); |
| 154 | assertEquals("abc".endsWith("b"), false); |
| 155 | assertEquals("abc".endsWith("ab"), false); |
| 156 | assertEquals("abc".endsWith("bc"), true); |
| 157 | assertEquals("abc".endsWith("abc"), true); |
| 158 | assertEquals("abc".endsWith("bcd"), false); |
| 159 | assertEquals("abc".endsWith("abcd"), false); |
| 160 | assertEquals("abc".endsWith("bcde"), false); |
| 161 | |
| 162 | assertEquals("abc".endsWith("", NaN), true); |
| 163 | assertEquals("abc".endsWith("\0", NaN), false); |
| 164 | assertEquals("abc".endsWith("c", NaN), false); |
| 165 | assertEquals("abc".endsWith("b", NaN), false); |
| 166 | assertEquals("abc".endsWith("ab", NaN), false); |
| 167 | assertEquals("abc".endsWith("bc", NaN), false); |
| 168 | assertEquals("abc".endsWith("abc", NaN), false); |
| 169 | assertEquals("abc".endsWith("bcd", NaN), false); |
| 170 | assertEquals("abc".endsWith("abcd", NaN), false); |
| 171 | assertEquals("abc".endsWith("bcde", NaN), false); |
| 172 | |
| 173 | assertEquals("abc".endsWith("", false), true); |
| 174 | assertEquals("abc".endsWith("\0", false), false); |
| 175 | assertEquals("abc".endsWith("c", false), false); |
| 176 | assertEquals("abc".endsWith("b", false), false); |
| 177 | assertEquals("abc".endsWith("ab", false), false); |
| 178 | assertEquals("abc".endsWith("bc", false), false); |
| 179 | assertEquals("abc".endsWith("abc", false), false); |
| 180 | assertEquals("abc".endsWith("bcd", false), false); |
| 181 | assertEquals("abc".endsWith("abcd", false), false); |
| 182 | assertEquals("abc".endsWith("bcde", false), false); |
| 183 | |
| 184 | assertEquals("abc".endsWith("", undefined), true); |
| 185 | assertEquals("abc".endsWith("\0", undefined), false); |
| 186 | assertEquals("abc".endsWith("c", undefined), true); |
| 187 | assertEquals("abc".endsWith("b", undefined), false); |
| 188 | assertEquals("abc".endsWith("ab", undefined), false); |
| 189 | assertEquals("abc".endsWith("bc", undefined), true); |
| 190 | assertEquals("abc".endsWith("abc", undefined), true); |
| 191 | assertEquals("abc".endsWith("bcd", undefined), false); |
| 192 | assertEquals("abc".endsWith("abcd", undefined), false); |
| 193 | assertEquals("abc".endsWith("bcde", undefined), false); |
| 194 | |
| 195 | assertEquals("abc".endsWith("", null), true); |
| 196 | assertEquals("abc".endsWith("\0", null), false); |
| 197 | assertEquals("abc".endsWith("c", null), false); |
| 198 | assertEquals("abc".endsWith("b", null), false); |
| 199 | assertEquals("abc".endsWith("ab", null), false); |
| 200 | assertEquals("abc".endsWith("bc", null), false); |
| 201 | assertEquals("abc".endsWith("abc", null), false); |
| 202 | assertEquals("abc".endsWith("bcd", null), false); |
| 203 | assertEquals("abc".endsWith("abcd", null), false); |
| 204 | assertEquals("abc".endsWith("bcde", null), false); |
| 205 | |
| 206 | assertEquals("abc".endsWith("", -Infinity), true); |
| 207 | assertEquals("abc".endsWith("\0", -Infinity), false); |
| 208 | assertEquals("abc".endsWith("c", -Infinity), false); |
| 209 | assertEquals("abc".endsWith("b", -Infinity), false); |
| 210 | assertEquals("abc".endsWith("ab", -Infinity), false); |
| 211 | assertEquals("abc".endsWith("bc", -Infinity), false); |
| 212 | assertEquals("abc".endsWith("abc", -Infinity), false); |
| 213 | assertEquals("abc".endsWith("bcd", -Infinity), false); |
| 214 | assertEquals("abc".endsWith("abcd", -Infinity), false); |
| 215 | assertEquals("abc".endsWith("bcde", -Infinity), false); |
| 216 | |
| 217 | assertEquals("abc".endsWith("", -1), true); |
| 218 | assertEquals("abc".endsWith("\0", -1), false); |
| 219 | assertEquals("abc".endsWith("c", -1), false); |
| 220 | assertEquals("abc".endsWith("b", -1), false); |
| 221 | assertEquals("abc".endsWith("ab", -1), false); |
| 222 | assertEquals("abc".endsWith("bc", -1), false); |
| 223 | assertEquals("abc".endsWith("abc", -1), false); |
| 224 | assertEquals("abc".endsWith("bcd", -1), false); |
| 225 | assertEquals("abc".endsWith("abcd", -1), false); |
| 226 | assertEquals("abc".endsWith("bcde", -1), false); |
| 227 | |
| 228 | assertEquals("abc".endsWith("", -0), true); |
| 229 | assertEquals("abc".endsWith("\0", -0), false); |
| 230 | assertEquals("abc".endsWith("c", -0), false); |
| 231 | assertEquals("abc".endsWith("b", -0), false); |
| 232 | assertEquals("abc".endsWith("ab", -0), false); |
| 233 | assertEquals("abc".endsWith("bc", -0), false); |
| 234 | assertEquals("abc".endsWith("abc", -0), false); |
| 235 | assertEquals("abc".endsWith("bcd", -0), false); |
| 236 | assertEquals("abc".endsWith("abcd", -0), false); |
| 237 | assertEquals("abc".endsWith("bcde", -0), false); |
| 238 | |
| 239 | assertEquals("abc".endsWith("", +0), true); |
| 240 | assertEquals("abc".endsWith("\0", +0), false); |
| 241 | assertEquals("abc".endsWith("c", +0), false); |
| 242 | assertEquals("abc".endsWith("b", +0), false); |
| 243 | assertEquals("abc".endsWith("ab", +0), false); |
| 244 | assertEquals("abc".endsWith("bc", +0), false); |
| 245 | assertEquals("abc".endsWith("abc", +0), false); |
| 246 | assertEquals("abc".endsWith("bcd", +0), false); |
| 247 | assertEquals("abc".endsWith("abcd", +0), false); |
| 248 | assertEquals("abc".endsWith("bcde", +0), false); |
| 249 | |
| 250 | assertEquals("abc".endsWith("", 1), true); |
| 251 | assertEquals("abc".endsWith("\0", 1), false); |
| 252 | assertEquals("abc".endsWith("c", 1), false); |
| 253 | assertEquals("abc".endsWith("b", 1), false); |
| 254 | assertEquals("abc".endsWith("ab", 1), false); |
| 255 | assertEquals("abc".endsWith("bc", 1), false); |
| 256 | assertEquals("abc".endsWith("abc", 1), false); |
| 257 | assertEquals("abc".endsWith("bcd", 1), false); |
| 258 | assertEquals("abc".endsWith("abcd", 1), false); |
| 259 | assertEquals("abc".endsWith("bcde", 1), false); |
| 260 | |
| 261 | assertEquals("abc".endsWith("", 2), true); |
| 262 | assertEquals("abc".endsWith("\0", 2), false); |
| 263 | assertEquals("abc".endsWith("c", 2), false); |
| 264 | assertEquals("abc".endsWith("b", 2), true); |
| 265 | assertEquals("abc".endsWith("ab", 2), true); |
| 266 | assertEquals("abc".endsWith("bc", 2), false); |
| 267 | assertEquals("abc".endsWith("abc", 2), false); |
| 268 | assertEquals("abc".endsWith("bcd", 2), false); |
| 269 | assertEquals("abc".endsWith("abcd", 2), false); |
| 270 | assertEquals("abc".endsWith("bcde", 2), false); |
| 271 | |
| 272 | assertEquals("abc".endsWith("", +Infinity), true); |
| 273 | assertEquals("abc".endsWith("\0", +Infinity), false); |
| 274 | assertEquals("abc".endsWith("c", +Infinity), true); |
| 275 | assertEquals("abc".endsWith("b", +Infinity), false); |
| 276 | assertEquals("abc".endsWith("ab", +Infinity), false); |
| 277 | assertEquals("abc".endsWith("bc", +Infinity), true); |
| 278 | assertEquals("abc".endsWith("abc", +Infinity), true); |
| 279 | assertEquals("abc".endsWith("bcd", +Infinity), false); |
| 280 | assertEquals("abc".endsWith("abcd", +Infinity), false); |
| 281 | assertEquals("abc".endsWith("bcde", +Infinity), false); |
| 282 | |
| 283 | assertEquals("abc".endsWith("", true), true); |
| 284 | assertEquals("abc".endsWith("\0", true), false); |
| 285 | assertEquals("abc".endsWith("c", true), false); |
| 286 | assertEquals("abc".endsWith("b", true), false); |
| 287 | assertEquals("abc".endsWith("ab", true), false); |
| 288 | assertEquals("abc".endsWith("bc", true), false); |
| 289 | assertEquals("abc".endsWith("abc", true), false); |
| 290 | assertEquals("abc".endsWith("bcd", true), false); |
| 291 | assertEquals("abc".endsWith("abcd", true), false); |
| 292 | assertEquals("abc".endsWith("bcde", true), false); |
| 293 | |
| 294 | assertEquals("abc".endsWith("", "x"), true); |
| 295 | assertEquals("abc".endsWith("\0", "x"), false); |
| 296 | assertEquals("abc".endsWith("c", "x"), false); |
| 297 | assertEquals("abc".endsWith("b", "x"), false); |
| 298 | assertEquals("abc".endsWith("ab", "x"), false); |
| 299 | assertEquals("abc".endsWith("bc", "x"), false); |
| 300 | assertEquals("abc".endsWith("abc", "x"), false); |
| 301 | assertEquals("abc".endsWith("bcd", "x"), false); |
| 302 | assertEquals("abc".endsWith("abcd", "x"), false); |
| 303 | assertEquals("abc".endsWith("bcde", "x"), false); |
| 304 | |
| 305 | assertEquals("[a-z]+(bar)?".endsWith("(bar)?"), true); |
| 306 | assertThrows(function() { "[a-z]+(bar)?".endsWith(/(bar)?/); |
| 307 | }, TypeError); |
| 308 | assertEquals("[a-z]+(bar)?".endsWith("[a-z]+", 6), true); |
| 309 | assertThrows(function() { "[a-z]+(bar)?".endsWith(/(bar)?/); |
| 310 | }, TypeError); |
| 311 | assertThrows(function() { "[a-z]+/(bar)?/".endsWith(/(bar)?/); |
| 312 | }, TypeError); |
| 313 | |
| 314 | // http://mathiasbynens.be/notes/javascript-unicode#poo-test |
| 315 | var string = "I\xF1t\xEBrn\xE2ti\xF4n\xE0liz\xE6ti\xF8n\u2603\uD83D\uDCA9"; |
| 316 | assertEquals(string.endsWith(""), true); |
| 317 | assertEquals(string.endsWith("\xF1t\xEBr"), false); |
| 318 | assertEquals(string.endsWith("\xF1t\xEBr", 5), true); |
| 319 | assertEquals(string.endsWith("\xE0liz\xE6"), false); |
| 320 | assertEquals(string.endsWith("\xE0liz\xE6", 16), true); |
| 321 | assertEquals(string.endsWith("\xF8n\u2603\uD83D\uDCA9"), true); |
| 322 | assertEquals(string.endsWith("\xF8n\u2603\uD83D\uDCA9", 23), true); |
| 323 | assertEquals(string.endsWith("\u2603"), false); |
| 324 | assertEquals(string.endsWith("\u2603", 21), true); |
| 325 | assertEquals(string.endsWith("\uD83D\uDCA9"), true); |
| 326 | assertEquals(string.endsWith("\uD83D\uDCA9", 23), true); |
| 327 | |
| 328 | assertThrows(function() { |
| 329 | String.prototype.endsWith.call(undefined); |
| 330 | }, TypeError); |
| 331 | assertThrows(function() { |
| 332 | String.prototype.endsWith.call(undefined, "b"); |
| 333 | }, TypeError); |
| 334 | assertThrows(function() { |
| 335 | String.prototype.endsWith.call(undefined, "b", 4); |
| 336 | }, TypeError); |
| 337 | assertThrows(function() { |
| 338 | String.prototype.endsWith.call(null); |
| 339 | }, TypeError); |
| 340 | assertThrows(function() { |
| 341 | String.prototype.endsWith.call(null, "b"); |
| 342 | }, TypeError); |
| 343 | assertThrows(function() { |
| 344 | String.prototype.endsWith.call(null, "b", 4); |
| 345 | }, TypeError); |
| 346 | assertEquals(String.prototype.endsWith.call(42, "2"), true); |
| 347 | assertEquals(String.prototype.endsWith.call(42, "4"), false); |
| 348 | assertEquals(String.prototype.endsWith.call(42, "b", 4), false); |
| 349 | assertEquals(String.prototype.endsWith.call(42, "2", 1), false); |
| 350 | assertEquals(String.prototype.endsWith.call(42, "2", 4), true); |
| 351 | assertEquals(String.prototype.endsWith.call({ |
| 352 | "toString": function() { return "abc"; } |
| 353 | }, "b", 0), false); |
| 354 | assertEquals(String.prototype.endsWith.call({ |
| 355 | "toString": function() { return "abc"; } |
| 356 | }, "b", 1), false); |
| 357 | assertEquals(String.prototype.endsWith.call({ |
| 358 | "toString": function() { return "abc"; } |
| 359 | }, "b", 2), true); |
| 360 | assertThrows(function() { |
| 361 | String.prototype.endsWith.call({ |
| 362 | "toString": function() { throw RangeError(); } |
| 363 | }, /./); |
| 364 | }, RangeError); |
| 365 | assertThrows(function() { |
| 366 | String.prototype.endsWith.call({ |
| 367 | "toString": function() { return "abc"; } |
| 368 | }, /./); |
| 369 | }, TypeError); |
| 370 | |
| 371 | assertThrows(function() { |
| 372 | String.prototype.endsWith.apply(undefined); |
| 373 | }, TypeError); |
| 374 | assertThrows(function() { |
| 375 | String.prototype.endsWith.apply(undefined, ["b"]); }, |
| 376 | TypeError); |
| 377 | assertThrows(function() { |
| 378 | String.prototype.endsWith.apply(undefined, ["b", 4]); |
| 379 | }, TypeError); |
| 380 | assertThrows(function() { |
| 381 | String.prototype.endsWith.apply(null); |
| 382 | }, TypeError); |
| 383 | assertThrows(function() { |
| 384 | String.prototype.endsWith.apply(null, ["b"]); |
| 385 | }, TypeError); |
| 386 | assertThrows(function() { |
| 387 | String.prototype.endsWith.apply(null, ["b", 4]); |
| 388 | }, TypeError); |
| 389 | assertEquals(String.prototype.endsWith.apply(42, ["2"]), true); |
| 390 | assertEquals(String.prototype.endsWith.apply(42, ["4"]), false); |
| 391 | assertEquals(String.prototype.endsWith.apply(42, ["b", 4]), false); |
| 392 | assertEquals(String.prototype.endsWith.apply(42, ["2", 1]), false); |
| 393 | assertEquals(String.prototype.endsWith.apply(42, ["2", 4]), true); |
| 394 | assertEquals(String.prototype.endsWith.apply({ |
| 395 | "toString": function() { return "abc"; } |
| 396 | }, ["b", 0]), false); |
| 397 | assertEquals(String.prototype.endsWith.apply({ |
| 398 | "toString": function() { return "abc"; } |
| 399 | }, ["b", 1]), false); |
| 400 | assertEquals(String.prototype.endsWith.apply({ |
| 401 | "toString": function() { return "abc"; } |
| 402 | }, ["b", 2]), true); |
| 403 | assertThrows(function() { |
| 404 | String.prototype.endsWith.apply({ |
| 405 | "toString": function() { throw RangeError(); } |
| 406 | }, [/./]); |
| 407 | }, RangeError); |
| 408 | assertThrows(function() { |
| 409 | String.prototype.endsWith.apply({ |
| 410 | "toString": function() { return "abc"; } |
| 411 | }, [/./]); |
| 412 | }, TypeError); |