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); 413
