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 28assertEquals(1, String.prototype.endsWith.length); 29 30var testString = "Hello World"; 31assertTrue(testString.endsWith("")); 32assertTrue(testString.endsWith("World")); 33assertFalse(testString.endsWith("world")); 34assertFalse(testString.endsWith("Hello World!")); 35assertFalse(testString.endsWith(null)); 36assertFalse(testString.endsWith(undefined)); 37 38assertTrue("null".endsWith(null)); 39assertTrue("undefined".endsWith(undefined)); 40 41var georgianUnicodeString = "\u10D0\u10D1\u10D2\u10D3\u10D4\u10D5\u10D6\u10D7"; 42assertTrue(georgianUnicodeString.endsWith(georgianUnicodeString)); 43assertTrue(georgianUnicodeString.endsWith("\u10D4\u10D5\u10D6\u10D7")); 44assertFalse(georgianUnicodeString.endsWith("\u10D0")); 45 46assertThrows("String.prototype.endsWith.call(null, 'test')", TypeError); 47assertThrows("String.prototype.endsWith.call(null, null)", TypeError); 48assertThrows("String.prototype.endsWith.call(undefined, undefined)", TypeError); 49 50assertThrows("String.prototype.endsWith.apply(null, ['test'])", TypeError); 51assertThrows("String.prototype.endsWith.apply(null, [null])", TypeError); 52assertThrows("String.prototype.endsWith.apply(undefined, [undefined])", TypeError); 53 54var 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 74function 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} 87testNonStringValues(); 88 89var CustomType = function(value) { 90 this.endsWith = String.prototype.endsWith; 91 this.toString = function() { 92 return String(value); 93 } 94}; 95 96function 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} 107testCutomType(); 108 109 110// Test cases found in FF 111assertTrue("abc".endsWith("abc")); 112assertTrue("abcd".endsWith("bcd")); 113assertTrue("abc".endsWith("c")); 114assertFalse("abc".endsWith("abcd")); 115assertFalse("abc".endsWith("bbc")); 116assertFalse("abc".endsWith("b")); 117assertTrue("abc".endsWith("abc", 3)); 118assertTrue("abc".endsWith("bc", 3)); 119assertFalse("abc".endsWith("a", 3)); 120assertTrue("abc".endsWith("bc", 3)); 121assertTrue("abc".endsWith("a", 1)); 122assertFalse("abc".endsWith("abc", 1)); 123assertTrue("abc".endsWith("b", 2)); 124assertFalse("abc".endsWith("d", 2)); 125assertFalse("abc".endsWith("dcd", 2)); 126assertFalse("abc".endsWith("a", 42)); 127assertTrue("abc".endsWith("bc", Infinity)); 128assertFalse("abc".endsWith("a", Infinity)); 129assertTrue("abc".endsWith("bc", undefined)); 130assertFalse("abc".endsWith("bc", -43)); 131assertFalse("abc".endsWith("bc", -Infinity)); 132assertFalse("abc".endsWith("bc", NaN)); 133 134// Test cases taken from 135// https://github.com/mathiasbynens/String.prototype.endsWith/blob/master/tests/tests.js 136Object.prototype[1] = 2; // try to break `arguments[1]` 137 138assertEquals(String.prototype.endsWith.length, 1); 139assertEquals(String.prototype.propertyIsEnumerable("endsWith"), false); 140 141assertEquals("undefined".endsWith(), true); 142assertEquals("undefined".endsWith(undefined), true); 143assertEquals("undefined".endsWith(null), false); 144assertEquals("null".endsWith(), false); 145assertEquals("null".endsWith(undefined), false); 146assertEquals("null".endsWith(null), true); 147 148assertEquals("abc".endsWith(), false); 149assertEquals("abc".endsWith(""), true); 150assertEquals("abc".endsWith("\0"), false); 151assertEquals("abc".endsWith("c"), true); 152assertEquals("abc".endsWith("b"), false); 153assertEquals("abc".endsWith("ab"), false); 154assertEquals("abc".endsWith("bc"), true); 155assertEquals("abc".endsWith("abc"), true); 156assertEquals("abc".endsWith("bcd"), false); 157assertEquals("abc".endsWith("abcd"), false); 158assertEquals("abc".endsWith("bcde"), false); 159 160assertEquals("abc".endsWith("", NaN), true); 161assertEquals("abc".endsWith("\0", NaN), false); 162assertEquals("abc".endsWith("c", NaN), false); 163assertEquals("abc".endsWith("b", NaN), false); 164assertEquals("abc".endsWith("ab", NaN), false); 165assertEquals("abc".endsWith("bc", NaN), false); 166assertEquals("abc".endsWith("abc", NaN), false); 167assertEquals("abc".endsWith("bcd", NaN), false); 168assertEquals("abc".endsWith("abcd", NaN), false); 169assertEquals("abc".endsWith("bcde", NaN), false); 170 171assertEquals("abc".endsWith("", false), true); 172assertEquals("abc".endsWith("\0", false), false); 173assertEquals("abc".endsWith("c", false), false); 174assertEquals("abc".endsWith("b", false), false); 175assertEquals("abc".endsWith("ab", false), false); 176assertEquals("abc".endsWith("bc", false), false); 177assertEquals("abc".endsWith("abc", false), false); 178assertEquals("abc".endsWith("bcd", false), false); 179assertEquals("abc".endsWith("abcd", false), false); 180assertEquals("abc".endsWith("bcde", false), false); 181 182assertEquals("abc".endsWith("", undefined), true); 183assertEquals("abc".endsWith("\0", undefined), false); 184assertEquals("abc".endsWith("c", undefined), true); 185assertEquals("abc".endsWith("b", undefined), false); 186assertEquals("abc".endsWith("ab", undefined), false); 187assertEquals("abc".endsWith("bc", undefined), true); 188assertEquals("abc".endsWith("abc", undefined), true); 189assertEquals("abc".endsWith("bcd", undefined), false); 190assertEquals("abc".endsWith("abcd", undefined), false); 191assertEquals("abc".endsWith("bcde", undefined), false); 192 193assertEquals("abc".endsWith("", null), true); 194assertEquals("abc".endsWith("\0", null), false); 195assertEquals("abc".endsWith("c", null), false); 196assertEquals("abc".endsWith("b", null), false); 197assertEquals("abc".endsWith("ab", null), false); 198assertEquals("abc".endsWith("bc", null), false); 199assertEquals("abc".endsWith("abc", null), false); 200assertEquals("abc".endsWith("bcd", null), false); 201assertEquals("abc".endsWith("abcd", null), false); 202assertEquals("abc".endsWith("bcde", null), false); 203 204assertEquals("abc".endsWith("", -Infinity), true); 205assertEquals("abc".endsWith("\0", -Infinity), false); 206assertEquals("abc".endsWith("c", -Infinity), false); 207assertEquals("abc".endsWith("b", -Infinity), false); 208assertEquals("abc".endsWith("ab", -Infinity), false); 209assertEquals("abc".endsWith("bc", -Infinity), false); 210assertEquals("abc".endsWith("abc", -Infinity), false); 211assertEquals("abc".endsWith("bcd", -Infinity), false); 212assertEquals("abc".endsWith("abcd", -Infinity), false); 213assertEquals("abc".endsWith("bcde", -Infinity), false); 214 215assertEquals("abc".endsWith("", -1), true); 216assertEquals("abc".endsWith("\0", -1), false); 217assertEquals("abc".endsWith("c", -1), false); 218assertEquals("abc".endsWith("b", -1), false); 219assertEquals("abc".endsWith("ab", -1), false); 220assertEquals("abc".endsWith("bc", -1), false); 221assertEquals("abc".endsWith("abc", -1), false); 222assertEquals("abc".endsWith("bcd", -1), false); 223assertEquals("abc".endsWith("abcd", -1), false); 224assertEquals("abc".endsWith("bcde", -1), false); 225 226assertEquals("abc".endsWith("", -0), true); 227assertEquals("abc".endsWith("\0", -0), false); 228assertEquals("abc".endsWith("c", -0), false); 229assertEquals("abc".endsWith("b", -0), false); 230assertEquals("abc".endsWith("ab", -0), false); 231assertEquals("abc".endsWith("bc", -0), false); 232assertEquals("abc".endsWith("abc", -0), false); 233assertEquals("abc".endsWith("bcd", -0), false); 234assertEquals("abc".endsWith("abcd", -0), false); 235assertEquals("abc".endsWith("bcde", -0), false); 236 237assertEquals("abc".endsWith("", +0), true); 238assertEquals("abc".endsWith("\0", +0), false); 239assertEquals("abc".endsWith("c", +0), false); 240assertEquals("abc".endsWith("b", +0), false); 241assertEquals("abc".endsWith("ab", +0), false); 242assertEquals("abc".endsWith("bc", +0), false); 243assertEquals("abc".endsWith("abc", +0), false); 244assertEquals("abc".endsWith("bcd", +0), false); 245assertEquals("abc".endsWith("abcd", +0), false); 246assertEquals("abc".endsWith("bcde", +0), false); 247 248assertEquals("abc".endsWith("", 1), true); 249assertEquals("abc".endsWith("\0", 1), false); 250assertEquals("abc".endsWith("c", 1), false); 251assertEquals("abc".endsWith("b", 1), false); 252assertEquals("abc".endsWith("ab", 1), false); 253assertEquals("abc".endsWith("bc", 1), false); 254assertEquals("abc".endsWith("abc", 1), false); 255assertEquals("abc".endsWith("bcd", 1), false); 256assertEquals("abc".endsWith("abcd", 1), false); 257assertEquals("abc".endsWith("bcde", 1), false); 258 259assertEquals("abc".endsWith("", 2), true); 260assertEquals("abc".endsWith("\0", 2), false); 261assertEquals("abc".endsWith("c", 2), false); 262assertEquals("abc".endsWith("b", 2), true); 263assertEquals("abc".endsWith("ab", 2), true); 264assertEquals("abc".endsWith("bc", 2), false); 265assertEquals("abc".endsWith("abc", 2), false); 266assertEquals("abc".endsWith("bcd", 2), false); 267assertEquals("abc".endsWith("abcd", 2), false); 268assertEquals("abc".endsWith("bcde", 2), false); 269 270assertEquals("abc".endsWith("", +Infinity), true); 271assertEquals("abc".endsWith("\0", +Infinity), false); 272assertEquals("abc".endsWith("c", +Infinity), true); 273assertEquals("abc".endsWith("b", +Infinity), false); 274assertEquals("abc".endsWith("ab", +Infinity), false); 275assertEquals("abc".endsWith("bc", +Infinity), true); 276assertEquals("abc".endsWith("abc", +Infinity), true); 277assertEquals("abc".endsWith("bcd", +Infinity), false); 278assertEquals("abc".endsWith("abcd", +Infinity), false); 279assertEquals("abc".endsWith("bcde", +Infinity), false); 280 281assertEquals("abc".endsWith("", true), true); 282assertEquals("abc".endsWith("\0", true), false); 283assertEquals("abc".endsWith("c", true), false); 284assertEquals("abc".endsWith("b", true), false); 285assertEquals("abc".endsWith("ab", true), false); 286assertEquals("abc".endsWith("bc", true), false); 287assertEquals("abc".endsWith("abc", true), false); 288assertEquals("abc".endsWith("bcd", true), false); 289assertEquals("abc".endsWith("abcd", true), false); 290assertEquals("abc".endsWith("bcde", true), false); 291 292assertEquals("abc".endsWith("", "x"), true); 293assertEquals("abc".endsWith("\0", "x"), false); 294assertEquals("abc".endsWith("c", "x"), false); 295assertEquals("abc".endsWith("b", "x"), false); 296assertEquals("abc".endsWith("ab", "x"), false); 297assertEquals("abc".endsWith("bc", "x"), false); 298assertEquals("abc".endsWith("abc", "x"), false); 299assertEquals("abc".endsWith("bcd", "x"), false); 300assertEquals("abc".endsWith("abcd", "x"), false); 301assertEquals("abc".endsWith("bcde", "x"), false); 302 303assertEquals("[a-z]+(bar)?".endsWith("(bar)?"), true); 304assertThrows(function() { "[a-z]+(bar)?".endsWith(/(bar)?/); 305}, TypeError); 306assertEquals("[a-z]+(bar)?".endsWith("[a-z]+", 6), true); 307assertThrows(function() { "[a-z]+(bar)?".endsWith(/(bar)?/); 308}, TypeError); 309assertThrows(function() { "[a-z]+/(bar)?/".endsWith(/(bar)?/); 310}, TypeError); 311 312// http://mathiasbynens.be/notes/javascript-unicode#poo-test 313var string = "I\xF1t\xEBrn\xE2ti\xF4n\xE0liz\xE6ti\xF8n\u2603\uD83D\uDCA9"; 314assertEquals(string.endsWith(""), true); 315assertEquals(string.endsWith("\xF1t\xEBr"), false); 316assertEquals(string.endsWith("\xF1t\xEBr", 5), true); 317assertEquals(string.endsWith("\xE0liz\xE6"), false); 318assertEquals(string.endsWith("\xE0liz\xE6", 16), true); 319assertEquals(string.endsWith("\xF8n\u2603\uD83D\uDCA9"), true); 320assertEquals(string.endsWith("\xF8n\u2603\uD83D\uDCA9", 23), true); 321assertEquals(string.endsWith("\u2603"), false); 322assertEquals(string.endsWith("\u2603", 21), true); 323assertEquals(string.endsWith("\uD83D\uDCA9"), true); 324assertEquals(string.endsWith("\uD83D\uDCA9", 23), true); 325 326assertThrows(function() { 327 String.prototype.endsWith.call(undefined); 328}, TypeError); 329assertThrows(function() { 330 String.prototype.endsWith.call(undefined, "b"); 331}, TypeError); 332assertThrows(function() { 333 String.prototype.endsWith.call(undefined, "b", 4); 334}, TypeError); 335assertThrows(function() { 336 String.prototype.endsWith.call(null); 337}, TypeError); 338assertThrows(function() { 339 String.prototype.endsWith.call(null, "b"); 340}, TypeError); 341assertThrows(function() { 342 String.prototype.endsWith.call(null, "b", 4); 343}, TypeError); 344assertEquals(String.prototype.endsWith.call(42, "2"), true); 345assertEquals(String.prototype.endsWith.call(42, "4"), false); 346assertEquals(String.prototype.endsWith.call(42, "b", 4), false); 347assertEquals(String.prototype.endsWith.call(42, "2", 1), false); 348assertEquals(String.prototype.endsWith.call(42, "2", 4), true); 349assertEquals(String.prototype.endsWith.call({ 350 "toString": function() { return "abc"; } 351}, "b", 0), false); 352assertEquals(String.prototype.endsWith.call({ 353 "toString": function() { return "abc"; } 354}, "b", 1), false); 355assertEquals(String.prototype.endsWith.call({ 356 "toString": function() { return "abc"; } 357}, "b", 2), true); 358assertThrows(function() { 359 String.prototype.endsWith.call({ 360 "toString": function() { throw RangeError(); } 361 }, /./); 362}, RangeError); 363assertThrows(function() { 364 String.prototype.endsWith.call({ 365 "toString": function() { return "abc"; } 366 }, /./); 367}, TypeError); 368 369assertThrows(function() { 370 String.prototype.endsWith.apply(undefined); 371}, TypeError); 372assertThrows(function() { 373 String.prototype.endsWith.apply(undefined, ["b"]); }, 374TypeError); 375assertThrows(function() { 376 String.prototype.endsWith.apply(undefined, ["b", 4]); 377}, TypeError); 378assertThrows(function() { 379 String.prototype.endsWith.apply(null); 380}, TypeError); 381assertThrows(function() { 382 String.prototype.endsWith.apply(null, ["b"]); 383}, TypeError); 384assertThrows(function() { 385 String.prototype.endsWith.apply(null, ["b", 4]); 386}, TypeError); 387assertEquals(String.prototype.endsWith.apply(42, ["2"]), true); 388assertEquals(String.prototype.endsWith.apply(42, ["4"]), false); 389assertEquals(String.prototype.endsWith.apply(42, ["b", 4]), false); 390assertEquals(String.prototype.endsWith.apply(42, ["2", 1]), false); 391assertEquals(String.prototype.endsWith.apply(42, ["2", 4]), true); 392assertEquals(String.prototype.endsWith.apply({ 393 "toString": function() { return "abc"; } 394}, ["b", 0]), false); 395assertEquals(String.prototype.endsWith.apply({ 396 "toString": function() { return "abc"; } 397}, ["b", 1]), false); 398assertEquals(String.prototype.endsWith.apply({ 399 "toString": function() { return "abc"; } 400}, ["b", 2]), true); 401assertThrows(function() { 402 String.prototype.endsWith.apply({ 403 "toString": function() { throw RangeError(); } 404 }, [/./]); 405}, RangeError); 406assertThrows(function() { 407 String.prototype.endsWith.apply({ 408 "toString": function() { return "abc"; } 409 }, [/./]); 410}, TypeError); 411