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 assertEquals(1, String.prototype.endsWith.length); 29 30 var testString = "Hello World"; 31 assertTrue(testString.endsWith("")); 32 assertTrue(testString.endsWith("World")); 33 assertFalse(testString.endsWith("world")); 34 assertFalse(testString.endsWith("Hello World!")); 35 assertFalse(testString.endsWith(null)); 36 assertFalse(testString.endsWith(undefined)); 37 38 assertTrue("null".endsWith(null)); 39 assertTrue("undefined".endsWith(undefined)); 40 41 var georgianUnicodeString = "\u10D0\u10D1\u10D2\u10D3\u10D4\u10D5\u10D6\u10D7"; 42 assertTrue(georgianUnicodeString.endsWith(georgianUnicodeString)); 43 assertTrue(georgianUnicodeString.endsWith("\u10D4\u10D5\u10D6\u10D7")); 44 assertFalse(georgianUnicodeString.endsWith("\u10D0")); 45 46 assertThrows("String.prototype.endsWith.call(null, 'test')", TypeError); 47 assertThrows("String.prototype.endsWith.call(null, null)", TypeError); 48 assertThrows("String.prototype.endsWith.call(undefined, undefined)", TypeError); 49 50 assertThrows("String.prototype.endsWith.apply(null, ['test'])", TypeError); 51 assertThrows("String.prototype.endsWith.apply(null, [null])", TypeError); 52 assertThrows("String.prototype.endsWith.apply(undefined, [undefined])", TypeError); 53 54 var TEST_INPUT = [{ 55 msg: "Empty string", val: "" 56 }, { 57 msg: "Number 1234.34", val: 1234.34 58 }, { 59 msg: "Integer number 0", val: 0 60 }, { 61 msg: "Negative number -1", val: -1 62 }, { 63 msg: "Boolean true", val: true 64 }, { 65 msg: "Boolean false", val: false 66 }, { 67 msg: "Empty array []", val: [] 68 }, { 69 msg: "Empty object {}", val: {} 70 }, { 71 msg: "Array of size 3", val: new Array(3) 72 }]; 73 74 function testNonStringValues() { 75 var i = 0; 76 var l = TEST_INPUT.length; 77 78 for (; i < l; i++) { 79 var e = TEST_INPUT[i]; 80 var v = e.val; 81 var s = String(v); 82 assertTrue(s.endsWith(v), e.msg); 83 assertTrue(String.prototype.endsWith.call(v, v), e.msg); 84 assertTrue(String.prototype.endsWith.apply(v, [v]), e.msg); 85 } 86 } 87 testNonStringValues(); 88 89 var CustomType = function(value) { 90 this.endsWith = String.prototype.endsWith; 91 this.toString = function() { 92 return String(value); 93 } 94 }; 95 96 function testCutomType() { 97 var i = 0; 98 var l = TEST_INPUT.length; 99 100 for (; i < l; i++) { 101 var e = TEST_INPUT[i]; 102 var v = e.val; 103 var o = new CustomType(v); 104 assertTrue(o.endsWith(v), e.msg); 105 } 106 } 107 testCutomType(); 108 109 110 // Test cases found in FF 111 assertTrue("abc".endsWith("abc")); 112 assertTrue("abcd".endsWith("bcd")); 113 assertTrue("abc".endsWith("c")); 114 assertFalse("abc".endsWith("abcd")); 115 assertFalse("abc".endsWith("bbc")); 116 assertFalse("abc".endsWith("b")); 117 assertTrue("abc".endsWith("abc", 3)); 118 assertTrue("abc".endsWith("bc", 3)); 119 assertFalse("abc".endsWith("a", 3)); 120 assertTrue("abc".endsWith("bc", 3)); 121 assertTrue("abc".endsWith("a", 1)); 122 assertFalse("abc".endsWith("abc", 1)); 123 assertTrue("abc".endsWith("b", 2)); 124 assertFalse("abc".endsWith("d", 2)); 125 assertFalse("abc".endsWith("dcd", 2)); 126 assertFalse("abc".endsWith("a", 42)); 127 assertTrue("abc".endsWith("bc", Infinity)); 128 assertFalse("abc".endsWith("a", Infinity)); 129 assertTrue("abc".endsWith("bc", undefined)); 130 assertFalse("abc".endsWith("bc", -43)); 131 assertFalse("abc".endsWith("bc", -Infinity)); 132 assertFalse("abc".endsWith("bc", NaN)); 133 134 // Test cases taken from 135 // https://github.com/mathiasbynens/String.prototype.endsWith/blob/master/tests/tests.js 136 Object.prototype[1] = 2; // try to break `arguments[1]` 137 138 assertEquals(String.prototype.endsWith.length, 1); 139 assertEquals(String.prototype.propertyIsEnumerable("endsWith"), false); 140 141 assertEquals("undefined".endsWith(), true); 142 assertEquals("undefined".endsWith(undefined), true); 143 assertEquals("undefined".endsWith(null), false); 144 assertEquals("null".endsWith(), false); 145 assertEquals("null".endsWith(undefined), false); 146 assertEquals("null".endsWith(null), true); 147 148 assertEquals("abc".endsWith(), false); 149 assertEquals("abc".endsWith(""), true); 150 assertEquals("abc".endsWith("\0"), false); 151 assertEquals("abc".endsWith("c"), true); 152 assertEquals("abc".endsWith("b"), false); 153 assertEquals("abc".endsWith("ab"), false); 154 assertEquals("abc".endsWith("bc"), true); 155 assertEquals("abc".endsWith("abc"), true); 156 assertEquals("abc".endsWith("bcd"), false); 157 assertEquals("abc".endsWith("abcd"), false); 158 assertEquals("abc".endsWith("bcde"), false); 159 160 assertEquals("abc".endsWith("", NaN), true); 161 assertEquals("abc".endsWith("\0", NaN), false); 162 assertEquals("abc".endsWith("c", NaN), false); 163 assertEquals("abc".endsWith("b", NaN), false); 164 assertEquals("abc".endsWith("ab", NaN), false); 165 assertEquals("abc".endsWith("bc", NaN), false); 166 assertEquals("abc".endsWith("abc", NaN), false); 167 assertEquals("abc".endsWith("bcd", NaN), false); 168 assertEquals("abc".endsWith("abcd", NaN), false); 169 assertEquals("abc".endsWith("bcde", NaN), false); 170 171 assertEquals("abc".endsWith("", false), true); 172 assertEquals("abc".endsWith("\0", false), false); 173 assertEquals("abc".endsWith("c", false), false); 174 assertEquals("abc".endsWith("b", false), false); 175 assertEquals("abc".endsWith("ab", false), false); 176 assertEquals("abc".endsWith("bc", false), false); 177 assertEquals("abc".endsWith("abc", false), false); 178 assertEquals("abc".endsWith("bcd", false), false); 179 assertEquals("abc".endsWith("abcd", false), false); 180 assertEquals("abc".endsWith("bcde", false), false); 181 182 assertEquals("abc".endsWith("", undefined), true); 183 assertEquals("abc".endsWith("\0", undefined), false); 184 assertEquals("abc".endsWith("c", undefined), true); 185 assertEquals("abc".endsWith("b", undefined), false); 186 assertEquals("abc".endsWith("ab", undefined), false); 187 assertEquals("abc".endsWith("bc", undefined), true); 188 assertEquals("abc".endsWith("abc", undefined), true); 189 assertEquals("abc".endsWith("bcd", undefined), false); 190 assertEquals("abc".endsWith("abcd", undefined), false); 191 assertEquals("abc".endsWith("bcde", undefined), false); 192 193 assertEquals("abc".endsWith("", null), true); 194 assertEquals("abc".endsWith("\0", null), false); 195 assertEquals("abc".endsWith("c", null), false); 196 assertEquals("abc".endsWith("b", null), false); 197 assertEquals("abc".endsWith("ab", null), false); 198 assertEquals("abc".endsWith("bc", null), false); 199 assertEquals("abc".endsWith("abc", null), false); 200 assertEquals("abc".endsWith("bcd", null), false); 201 assertEquals("abc".endsWith("abcd", null), false); 202 assertEquals("abc".endsWith("bcde", null), false); 203 204 assertEquals("abc".endsWith("", -Infinity), true); 205 assertEquals("abc".endsWith("\0", -Infinity), false); 206 assertEquals("abc".endsWith("c", -Infinity), false); 207 assertEquals("abc".endsWith("b", -Infinity), false); 208 assertEquals("abc".endsWith("ab", -Infinity), false); 209 assertEquals("abc".endsWith("bc", -Infinity), false); 210 assertEquals("abc".endsWith("abc", -Infinity), false); 211 assertEquals("abc".endsWith("bcd", -Infinity), false); 212 assertEquals("abc".endsWith("abcd", -Infinity), false); 213 assertEquals("abc".endsWith("bcde", -Infinity), false); 214 215 assertEquals("abc".endsWith("", -1), true); 216 assertEquals("abc".endsWith("\0", -1), false); 217 assertEquals("abc".endsWith("c", -1), false); 218 assertEquals("abc".endsWith("b", -1), false); 219 assertEquals("abc".endsWith("ab", -1), false); 220 assertEquals("abc".endsWith("bc", -1), false); 221 assertEquals("abc".endsWith("abc", -1), false); 222 assertEquals("abc".endsWith("bcd", -1), false); 223 assertEquals("abc".endsWith("abcd", -1), false); 224 assertEquals("abc".endsWith("bcde", -1), false); 225 226 assertEquals("abc".endsWith("", -0), true); 227 assertEquals("abc".endsWith("\0", -0), false); 228 assertEquals("abc".endsWith("c", -0), false); 229 assertEquals("abc".endsWith("b", -0), false); 230 assertEquals("abc".endsWith("ab", -0), false); 231 assertEquals("abc".endsWith("bc", -0), false); 232 assertEquals("abc".endsWith("abc", -0), false); 233 assertEquals("abc".endsWith("bcd", -0), false); 234 assertEquals("abc".endsWith("abcd", -0), false); 235 assertEquals("abc".endsWith("bcde", -0), false); 236 237 assertEquals("abc".endsWith("", +0), true); 238 assertEquals("abc".endsWith("\0", +0), false); 239 assertEquals("abc".endsWith("c", +0), false); 240 assertEquals("abc".endsWith("b", +0), false); 241 assertEquals("abc".endsWith("ab", +0), false); 242 assertEquals("abc".endsWith("bc", +0), false); 243 assertEquals("abc".endsWith("abc", +0), false); 244 assertEquals("abc".endsWith("bcd", +0), false); 245 assertEquals("abc".endsWith("abcd", +0), false); 246 assertEquals("abc".endsWith("bcde", +0), false); 247 248 assertEquals("abc".endsWith("", 1), true); 249 assertEquals("abc".endsWith("\0", 1), false); 250 assertEquals("abc".endsWith("c", 1), false); 251 assertEquals("abc".endsWith("b", 1), false); 252 assertEquals("abc".endsWith("ab", 1), false); 253 assertEquals("abc".endsWith("bc", 1), false); 254 assertEquals("abc".endsWith("abc", 1), false); 255 assertEquals("abc".endsWith("bcd", 1), false); 256 assertEquals("abc".endsWith("abcd", 1), false); 257 assertEquals("abc".endsWith("bcde", 1), false); 258 259 assertEquals("abc".endsWith("", 2), true); 260 assertEquals("abc".endsWith("\0", 2), false); 261 assertEquals("abc".endsWith("c", 2), false); 262 assertEquals("abc".endsWith("b", 2), true); 263 assertEquals("abc".endsWith("ab", 2), true); 264 assertEquals("abc".endsWith("bc", 2), false); 265 assertEquals("abc".endsWith("abc", 2), false); 266 assertEquals("abc".endsWith("bcd", 2), false); 267 assertEquals("abc".endsWith("abcd", 2), false); 268 assertEquals("abc".endsWith("bcde", 2), false); 269 270 assertEquals("abc".endsWith("", +Infinity), true); 271 assertEquals("abc".endsWith("\0", +Infinity), false); 272 assertEquals("abc".endsWith("c", +Infinity), true); 273 assertEquals("abc".endsWith("b", +Infinity), false); 274 assertEquals("abc".endsWith("ab", +Infinity), false); 275 assertEquals("abc".endsWith("bc", +Infinity), true); 276 assertEquals("abc".endsWith("abc", +Infinity), true); 277 assertEquals("abc".endsWith("bcd", +Infinity), false); 278 assertEquals("abc".endsWith("abcd", +Infinity), false); 279 assertEquals("abc".endsWith("bcde", +Infinity), false); 280 281 assertEquals("abc".endsWith("", true), true); 282 assertEquals("abc".endsWith("\0", true), false); 283 assertEquals("abc".endsWith("c", true), false); 284 assertEquals("abc".endsWith("b", true), false); 285 assertEquals("abc".endsWith("ab", true), false); 286 assertEquals("abc".endsWith("bc", true), false); 287 assertEquals("abc".endsWith("abc", true), false); 288 assertEquals("abc".endsWith("bcd", true), false); 289 assertEquals("abc".endsWith("abcd", true), false); 290 assertEquals("abc".endsWith("bcde", true), false); 291 292 assertEquals("abc".endsWith("", "x"), true); 293 assertEquals("abc".endsWith("\0", "x"), false); 294 assertEquals("abc".endsWith("c", "x"), false); 295 assertEquals("abc".endsWith("b", "x"), false); 296 assertEquals("abc".endsWith("ab", "x"), false); 297 assertEquals("abc".endsWith("bc", "x"), false); 298 assertEquals("abc".endsWith("abc", "x"), false); 299 assertEquals("abc".endsWith("bcd", "x"), false); 300 assertEquals("abc".endsWith("abcd", "x"), false); 301 assertEquals("abc".endsWith("bcde", "x"), false); 302 303 assertEquals("[a-z]+(bar)?".endsWith("(bar)?"), true); 304 assertThrows(function() { "[a-z]+(bar)?".endsWith(/(bar)?/); 305 }, TypeError); 306 assertEquals("[a-z]+(bar)?".endsWith("[a-z]+", 6), true); 307 assertThrows(function() { "[a-z]+(bar)?".endsWith(/(bar)?/); 308 }, TypeError); 309 assertThrows(function() { "[a-z]+/(bar)?/".endsWith(/(bar)?/); 310 }, TypeError); 311 312 // http://mathiasbynens.be/notes/javascript-unicode#poo-test 313 var string = "I\xF1t\xEBrn\xE2ti\xF4n\xE0liz\xE6ti\xF8n\u2603\uD83D\uDCA9"; 314 assertEquals(string.endsWith(""), true); 315 assertEquals(string.endsWith("\xF1t\xEBr"), false); 316 assertEquals(string.endsWith("\xF1t\xEBr", 5), true); 317 assertEquals(string.endsWith("\xE0liz\xE6"), false); 318 assertEquals(string.endsWith("\xE0liz\xE6", 16), true); 319 assertEquals(string.endsWith("\xF8n\u2603\uD83D\uDCA9"), true); 320 assertEquals(string.endsWith("\xF8n\u2603\uD83D\uDCA9", 23), true); 321 assertEquals(string.endsWith("\u2603"), false); 322 assertEquals(string.endsWith("\u2603", 21), true); 323 assertEquals(string.endsWith("\uD83D\uDCA9"), true); 324 assertEquals(string.endsWith("\uD83D\uDCA9", 23), true); 325 326 assertThrows(function() { 327 String.prototype.endsWith.call(undefined); 328 }, TypeError); 329 assertThrows(function() { 330 String.prototype.endsWith.call(undefined, "b"); 331 }, TypeError); 332 assertThrows(function() { 333 String.prototype.endsWith.call(undefined, "b", 4); 334 }, TypeError); 335 assertThrows(function() { 336 String.prototype.endsWith.call(null); 337 }, TypeError); 338 assertThrows(function() { 339 String.prototype.endsWith.call(null, "b"); 340 }, TypeError); 341 assertThrows(function() { 342 String.prototype.endsWith.call(null, "b", 4); 343 }, TypeError); 344 assertEquals(String.prototype.endsWith.call(42, "2"), true); 345 assertEquals(String.prototype.endsWith.call(42, "4"), false); 346 assertEquals(String.prototype.endsWith.call(42, "b", 4), false); 347 assertEquals(String.prototype.endsWith.call(42, "2", 1), false); 348 assertEquals(String.prototype.endsWith.call(42, "2", 4), true); 349 assertEquals(String.prototype.endsWith.call({ 350 "toString": function() { return "abc"; } 351 }, "b", 0), false); 352 assertEquals(String.prototype.endsWith.call({ 353 "toString": function() { return "abc"; } 354 }, "b", 1), false); 355 assertEquals(String.prototype.endsWith.call({ 356 "toString": function() { return "abc"; } 357 }, "b", 2), true); 358 assertThrows(function() { 359 String.prototype.endsWith.call({ 360 "toString": function() { throw RangeError(); } 361 }, /./); 362 }, RangeError); 363 assertThrows(function() { 364 String.prototype.endsWith.call({ 365 "toString": function() { return "abc"; } 366 }, /./); 367 }, TypeError); 368 369 assertThrows(function() { 370 String.prototype.endsWith.apply(undefined); 371 }, TypeError); 372 assertThrows(function() { 373 String.prototype.endsWith.apply(undefined, ["b"]); }, 374 TypeError); 375 assertThrows(function() { 376 String.prototype.endsWith.apply(undefined, ["b", 4]); 377 }, TypeError); 378 assertThrows(function() { 379 String.prototype.endsWith.apply(null); 380 }, TypeError); 381 assertThrows(function() { 382 String.prototype.endsWith.apply(null, ["b"]); 383 }, TypeError); 384 assertThrows(function() { 385 String.prototype.endsWith.apply(null, ["b", 4]); 386 }, TypeError); 387 assertEquals(String.prototype.endsWith.apply(42, ["2"]), true); 388 assertEquals(String.prototype.endsWith.apply(42, ["4"]), false); 389 assertEquals(String.prototype.endsWith.apply(42, ["b", 4]), false); 390 assertEquals(String.prototype.endsWith.apply(42, ["2", 1]), false); 391 assertEquals(String.prototype.endsWith.apply(42, ["2", 4]), true); 392 assertEquals(String.prototype.endsWith.apply({ 393 "toString": function() { return "abc"; } 394 }, ["b", 0]), false); 395 assertEquals(String.prototype.endsWith.apply({ 396 "toString": function() { return "abc"; } 397 }, ["b", 1]), false); 398 assertEquals(String.prototype.endsWith.apply({ 399 "toString": function() { return "abc"; } 400 }, ["b", 2]), true); 401 assertThrows(function() { 402 String.prototype.endsWith.apply({ 403 "toString": function() { throw RangeError(); } 404 }, [/./]); 405 }, RangeError); 406 assertThrows(function() { 407 String.prototype.endsWith.apply({ 408 "toString": function() { return "abc"; } 409 }, [/./]); 410 }, TypeError); 411
