The Tor Browser / annotate

js/src/jit-test/tests/basic/string-startswith.js@6474c204b198 (annotated)

js/src/jit-test/tests/basic/string-startswith.js

Wed, 31 Dec 2014 06:09:35 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 06:09:35 +0100
changeset 0
6474c204b198
permissions
-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

michael@0 1 /*
michael@0 2 * Copyright (c) 2013 Mathias Bynens. All rights reserved.
michael@0 3 *
michael@0 4 * Permission is hereby granted, free of charge, to any person obtaining a
michael@0 5 * copy of this software and associated documentation files (the "Software"),
michael@0 6 * to deal in the Software without restriction, including without limitation
michael@0 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
michael@0 8 * and/or sell copies of the Software, and to permit persons to whom the
michael@0 9 * Software is furnished to do so, subject to the following conditions:
michael@0 10 *
michael@0 11 * The above copyright notice and this permission notice shall be included in
michael@0 12 * all copies or substantial portions of the Software.
michael@0 13 *
michael@0 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
michael@0 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
michael@0 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
michael@0 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
michael@0 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
michael@0 19 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
michael@0 20 * DEALINGS IN THE SOFTWARE.
michael@0 21 */
michael@0 22
michael@0 23 function assertThrows(fun, errorType) {
michael@0 24 try {
michael@0 25 fun();
michael@0 26 assertEq(true, false, "Expected error, but none was thrown");
michael@0 27 } catch (e) {
michael@0 28 assertEq(e instanceof errorType, true, "Wrong error type thrown");
michael@0 29 }
michael@0 30 }
michael@0 31
michael@0 32 Object.prototype[1] = 2; // try to break `arguments[1]`
michael@0 33
michael@0 34 assertEq(String.prototype.startsWith.length, 1);
michael@0 35 assertEq(String.prototype.propertyIsEnumerable('startsWith'), false);
michael@0 36
michael@0 37 assertEq('undefined'.startsWith(), true);
michael@0 38 assertEq('undefined'.startsWith(undefined), true);
michael@0 39 assertEq('undefined'.startsWith(null), false);
michael@0 40 assertEq('null'.startsWith(), false);
michael@0 41 assertEq('null'.startsWith(undefined), false);
michael@0 42 assertEq('null'.startsWith(null), true);
michael@0 43
michael@0 44 assertEq('abc'.startsWith(), false);
michael@0 45 assertEq('abc'.startsWith(''), true);
michael@0 46 assertEq('abc'.startsWith('\0'), false);
michael@0 47 assertEq('abc'.startsWith('a'), true);
michael@0 48 assertEq('abc'.startsWith('b'), false);
michael@0 49 assertEq('abc'.startsWith('ab'), true);
michael@0 50 assertEq('abc'.startsWith('bc'), false);
michael@0 51 assertEq('abc'.startsWith('abc'), true);
michael@0 52 assertEq('abc'.startsWith('bcd'), false);
michael@0 53 assertEq('abc'.startsWith('abcd'), false);
michael@0 54 assertEq('abc'.startsWith('bcde'), false);
michael@0 55
michael@0 56 assertEq('abc'.startsWith('', NaN), true);
michael@0 57 assertEq('abc'.startsWith('\0', NaN), false);
michael@0 58 assertEq('abc'.startsWith('a', NaN), true);
michael@0 59 assertEq('abc'.startsWith('b', NaN), false);
michael@0 60 assertEq('abc'.startsWith('ab', NaN), true);
michael@0 61 assertEq('abc'.startsWith('bc', NaN), false);
michael@0 62 assertEq('abc'.startsWith('abc', NaN), true);
michael@0 63 assertEq('abc'.startsWith('bcd', NaN), false);
michael@0 64 assertEq('abc'.startsWith('abcd', NaN), false);
michael@0 65 assertEq('abc'.startsWith('bcde', NaN), false);
michael@0 66
michael@0 67 assertEq('abc'.startsWith('', false), true);
michael@0 68 assertEq('abc'.startsWith('\0', false), false);
michael@0 69 assertEq('abc'.startsWith('a', false), true);
michael@0 70 assertEq('abc'.startsWith('b', false), false);
michael@0 71 assertEq('abc'.startsWith('ab', false), true);
michael@0 72 assertEq('abc'.startsWith('bc', false), false);
michael@0 73 assertEq('abc'.startsWith('abc', false), true);
michael@0 74 assertEq('abc'.startsWith('bcd', false), false);
michael@0 75 assertEq('abc'.startsWith('abcd', false), false);
michael@0 76 assertEq('abc'.startsWith('bcde', false), false);
michael@0 77
michael@0 78 assertEq('abc'.startsWith('', undefined), true);
michael@0 79 assertEq('abc'.startsWith('\0', undefined), false);
michael@0 80 assertEq('abc'.startsWith('a', undefined), true);
michael@0 81 assertEq('abc'.startsWith('b', undefined), false);
michael@0 82 assertEq('abc'.startsWith('ab', undefined), true);
michael@0 83 assertEq('abc'.startsWith('bc', undefined), false);
michael@0 84 assertEq('abc'.startsWith('abc', undefined), true);
michael@0 85 assertEq('abc'.startsWith('bcd', undefined), false);
michael@0 86 assertEq('abc'.startsWith('abcd', undefined), false);
michael@0 87 assertEq('abc'.startsWith('bcde', undefined), false);
michael@0 88
michael@0 89 assertEq('abc'.startsWith('', null), true);
michael@0 90 assertEq('abc'.startsWith('\0', null), false);
michael@0 91 assertEq('abc'.startsWith('a', null), true);
michael@0 92 assertEq('abc'.startsWith('b', null), false);
michael@0 93 assertEq('abc'.startsWith('ab', null), true);
michael@0 94 assertEq('abc'.startsWith('bc', null), false);
michael@0 95 assertEq('abc'.startsWith('abc', null), true);
michael@0 96 assertEq('abc'.startsWith('bcd', null), false);
michael@0 97 assertEq('abc'.startsWith('abcd', null), false);
michael@0 98 assertEq('abc'.startsWith('bcde', null), false);
michael@0 99
michael@0 100 assertEq('abc'.startsWith('', -Infinity), true);
michael@0 101 assertEq('abc'.startsWith('\0', -Infinity), false);
michael@0 102 assertEq('abc'.startsWith('a', -Infinity), true);
michael@0 103 assertEq('abc'.startsWith('b', -Infinity), false);
michael@0 104 assertEq('abc'.startsWith('ab', -Infinity), true);
michael@0 105 assertEq('abc'.startsWith('bc', -Infinity), false);
michael@0 106 assertEq('abc'.startsWith('abc', -Infinity), true);
michael@0 107 assertEq('abc'.startsWith('bcd', -Infinity), false);
michael@0 108 assertEq('abc'.startsWith('abcd', -Infinity), false);
michael@0 109 assertEq('abc'.startsWith('bcde', -Infinity), false);
michael@0 110
michael@0 111 assertEq('abc'.startsWith('', -1), true);
michael@0 112 assertEq('abc'.startsWith('\0', -1), false);
michael@0 113 assertEq('abc'.startsWith('a', -1), true);
michael@0 114 assertEq('abc'.startsWith('b', -1), false);
michael@0 115 assertEq('abc'.startsWith('ab', -1), true);
michael@0 116 assertEq('abc'.startsWith('bc', -1), false);
michael@0 117 assertEq('abc'.startsWith('abc', -1), true);
michael@0 118 assertEq('abc'.startsWith('bcd', -1), false);
michael@0 119 assertEq('abc'.startsWith('abcd', -1), false);
michael@0 120 assertEq('abc'.startsWith('bcde', -1), false);
michael@0 121
michael@0 122 assertEq('abc'.startsWith('', -0), true);
michael@0 123 assertEq('abc'.startsWith('\0', -0), false);
michael@0 124 assertEq('abc'.startsWith('a', -0), true);
michael@0 125 assertEq('abc'.startsWith('b', -0), false);
michael@0 126 assertEq('abc'.startsWith('ab', -0), true);
michael@0 127 assertEq('abc'.startsWith('bc', -0), false);
michael@0 128 assertEq('abc'.startsWith('abc', -0), true);
michael@0 129 assertEq('abc'.startsWith('bcd', -0), false);
michael@0 130 assertEq('abc'.startsWith('abcd', -0), false);
michael@0 131 assertEq('abc'.startsWith('bcde', -0), false);
michael@0 132
michael@0 133 assertEq('abc'.startsWith('', +0), true);
michael@0 134 assertEq('abc'.startsWith('\0', +0), false);
michael@0 135 assertEq('abc'.startsWith('a', +0), true);
michael@0 136 assertEq('abc'.startsWith('b', +0), false);
michael@0 137 assertEq('abc'.startsWith('ab', +0), true);
michael@0 138 assertEq('abc'.startsWith('bc', +0), false);
michael@0 139 assertEq('abc'.startsWith('abc', +0), true);
michael@0 140 assertEq('abc'.startsWith('bcd', +0), false);
michael@0 141 assertEq('abc'.startsWith('abcd', +0), false);
michael@0 142 assertEq('abc'.startsWith('bcde', +0), false);
michael@0 143
michael@0 144 assertEq('abc'.startsWith('', 1), true);
michael@0 145 assertEq('abc'.startsWith('\0', 1), false);
michael@0 146 assertEq('abc'.startsWith('a', 1), false);
michael@0 147 assertEq('abc'.startsWith('b', 1), true);
michael@0 148 assertEq('abc'.startsWith('ab', 1), false);
michael@0 149 assertEq('abc'.startsWith('bc', 1), true);
michael@0 150 assertEq('abc'.startsWith('abc', 1), false);
michael@0 151 assertEq('abc'.startsWith('bcd', 1), false);
michael@0 152 assertEq('abc'.startsWith('abcd', 1), false);
michael@0 153 assertEq('abc'.startsWith('bcde', 1), false);
michael@0 154
michael@0 155 assertEq('abc'.startsWith('', +Infinity), true);
michael@0 156 assertEq('abc'.startsWith('\0', +Infinity), false);
michael@0 157 assertEq('abc'.startsWith('a', +Infinity), false);
michael@0 158 assertEq('abc'.startsWith('b', +Infinity), false);
michael@0 159 assertEq('abc'.startsWith('ab', +Infinity), false);
michael@0 160 assertEq('abc'.startsWith('bc', +Infinity), false);
michael@0 161 assertEq('abc'.startsWith('abc', +Infinity), false);
michael@0 162 assertEq('abc'.startsWith('bcd', +Infinity), false);
michael@0 163 assertEq('abc'.startsWith('abcd', +Infinity), false);
michael@0 164 assertEq('abc'.startsWith('bcde', +Infinity), false);
michael@0 165
michael@0 166 assertEq('abc'.startsWith('', true), true);
michael@0 167 assertEq('abc'.startsWith('\0', true), false);
michael@0 168 assertEq('abc'.startsWith('a', true), false);
michael@0 169 assertEq('abc'.startsWith('b', true), true);
michael@0 170 assertEq('abc'.startsWith('ab', true), false);
michael@0 171 assertEq('abc'.startsWith('bc', true), true);
michael@0 172 assertEq('abc'.startsWith('abc', true), false);
michael@0 173 assertEq('abc'.startsWith('bcd', true), false);
michael@0 174 assertEq('abc'.startsWith('abcd', true), false);
michael@0 175 assertEq('abc'.startsWith('bcde', true), false);
michael@0 176
michael@0 177 assertEq('abc'.startsWith('', 'x'), true);
michael@0 178 assertEq('abc'.startsWith('\0', 'x'), false);
michael@0 179 assertEq('abc'.startsWith('a', 'x'), true);
michael@0 180 assertEq('abc'.startsWith('b', 'x'), false);
michael@0 181 assertEq('abc'.startsWith('ab', 'x'), true);
michael@0 182 assertEq('abc'.startsWith('bc', 'x'), false);
michael@0 183 assertEq('abc'.startsWith('abc', 'x'), true);
michael@0 184 assertEq('abc'.startsWith('bcd', 'x'), false);
michael@0 185 assertEq('abc'.startsWith('abcd', 'x'), false);
michael@0 186 assertEq('abc'.startsWith('bcde', 'x'), false);
michael@0 187
michael@0 188 assertEq('[a-z]+(bar)?'.startsWith('[a-z]+'), true);
michael@0 189 assertThrows(function() { '[a-z]+(bar)?'.startsWith(/[a-z]+/); }, TypeError);
michael@0 190 assertEq('[a-z]+(bar)?'.startsWith('(bar)?', 6), true);
michael@0 191 assertThrows(function() { '[a-z]+(bar)?'.startsWith(/(bar)?/); }, TypeError);
michael@0 192 assertThrows(function() { '[a-z]+/(bar)?/'.startsWith(/(bar)?/); }, TypeError);
michael@0 193 var global = newGlobal();
michael@0 194 global.eval('this.re = /(bar)?/');
michael@0 195 assertThrows(function() { '[a-z]+/(bar)?/'.startsWith(global.re); }, TypeError);
michael@0 196
michael@0 197 // http://mathiasbynens.be/notes/javascript-unicode#poo-test
michael@0 198 var string = 'I\xF1t\xEBrn\xE2ti\xF4n\xE0liz\xE6ti\xF8n\u2603\uD83D\uDCA9';
michael@0 199 assertEq(string.startsWith(''), true);
michael@0 200 assertEq(string.startsWith('\xF1t\xEBr'), false);
michael@0 201 assertEq(string.startsWith('\xF1t\xEBr', 1), true);
michael@0 202 assertEq(string.startsWith('\xE0liz\xE6'), false);
michael@0 203 assertEq(string.startsWith('\xE0liz\xE6', 11), true);
michael@0 204 assertEq(string.startsWith('\xF8n\u2603\uD83D\uDCA9'), false);
michael@0 205 assertEq(string.startsWith('\xF8n\u2603\uD83D\uDCA9', 18), true);
michael@0 206 assertEq(string.startsWith('\u2603'), false);
michael@0 207 assertEq(string.startsWith('\u2603', 20), true);
michael@0 208 assertEq(string.startsWith('\uD83D\uDCA9'), false);
michael@0 209 assertEq(string.startsWith('\uD83D\uDCA9', 21), true);
michael@0 210
michael@0 211 assertThrows(function() { String.prototype.startsWith.call(undefined); }, TypeError);
michael@0 212 assertThrows(function() { String.prototype.startsWith.call(undefined, 'b'); }, TypeError);
michael@0 213 assertThrows(function() { String.prototype.startsWith.call(undefined, 'b', 4); }, TypeError);
michael@0 214 assertThrows(function() { String.prototype.startsWith.call(null); }, TypeError);
michael@0 215 assertThrows(function() { String.prototype.startsWith.call(null, 'b'); }, TypeError);
michael@0 216 assertThrows(function() { String.prototype.startsWith.call(null, 'b', 4); }, TypeError);
michael@0 217 assertEq(String.prototype.startsWith.call(42, '2'), false);
michael@0 218 assertEq(String.prototype.startsWith.call(42, '4'), true);
michael@0 219 assertEq(String.prototype.startsWith.call(42, 'b', 4), false);
michael@0 220 assertEq(String.prototype.startsWith.call(42, '2', 1), true);
michael@0 221 assertEq(String.prototype.startsWith.call(42, '2', 4), false);
michael@0 222 assertEq(String.prototype.startsWith.call({ 'toString': function() { return 'abc'; } }, 'b', 0), false);
michael@0 223 assertEq(String.prototype.startsWith.call({ 'toString': function() { return 'abc'; } }, 'b', 1), true);
michael@0 224 assertEq(String.prototype.startsWith.call({ 'toString': function() { return 'abc'; } }, 'b', 2), false);
michael@0 225 assertThrows(function() { String.prototype.startsWith.call({ 'toString': function() { throw RangeError(); } }, /./); }, RangeError);
michael@0 226 assertThrows(function() { String.prototype.startsWith.call({ 'toString': function() { return 'abc'; } }, /./); }, TypeError);
michael@0 227
michael@0 228 assertThrows(function() { String.prototype.startsWith.apply(undefined); }, TypeError);
michael@0 229 assertThrows(function() { String.prototype.startsWith.apply(undefined, ['b']); }, TypeError);
michael@0 230 assertThrows(function() { String.prototype.startsWith.apply(undefined, ['b', 4]); }, TypeError);
michael@0 231 assertThrows(function() { String.prototype.startsWith.apply(null); }, TypeError);
michael@0 232 assertThrows(function() { String.prototype.startsWith.apply(null, ['b']); }, TypeError);
michael@0 233 assertThrows(function() { String.prototype.startsWith.apply(null, ['b', 4]); }, TypeError);
michael@0 234 assertEq(String.prototype.startsWith.apply(42, ['2']), false);
michael@0 235 assertEq(String.prototype.startsWith.apply(42, ['4']), true);
michael@0 236 assertEq(String.prototype.startsWith.apply(42, ['b', 4]), false);
michael@0 237 assertEq(String.prototype.startsWith.apply(42, ['2', 1]), true);
michael@0 238 assertEq(String.prototype.startsWith.apply(42, ['2', 4]), false);
michael@0 239 assertEq(String.prototype.startsWith.apply({ 'toString': function() { return 'abc'; } }, ['b', 0]), false);
michael@0 240 assertEq(String.prototype.startsWith.apply({ 'toString': function() { return 'abc'; } }, ['b', 1]), true);
michael@0 241 assertEq(String.prototype.startsWith.apply({ 'toString': function() { return 'abc'; } }, ['b', 2]), false);
michael@0 242 assertThrows(function() { String.prototype.startsWith.apply({ 'toString': function() { throw RangeError(); } }, [/./]); }, RangeError);
michael@0 243 assertThrows(function() { String.prototype.startsWith.apply({ 'toString': function() { return 'abc'; } }, [/./]); }, TypeError);

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