1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/js/src/jit-test/tests/basic/string-startswith.js Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,243 @@
1.4 +/*
1.5 +* Copyright (c) 2013 Mathias Bynens. All rights reserved.
1.6 +*
1.7 +* Permission is hereby granted, free of charge, to any person obtaining a
1.8 +* copy of this software and associated documentation files (the "Software"),
1.9 +* to deal in the Software without restriction, including without limitation
1.10 +* the rights to use, copy, modify, merge, publish, distribute, sublicense,
1.11 +* and/or sell copies of the Software, and to permit persons to whom the
1.12 +* Software is furnished to do so, subject to the following conditions:
1.13 +*
1.14 +* The above copyright notice and this permission notice shall be included in
1.15 +* all copies or substantial portions of the Software.
1.16 +*
1.17 +* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
1.18 +* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
1.19 +* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
1.20 +* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
1.21 +* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
1.22 +* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
1.23 +* DEALINGS IN THE SOFTWARE.
1.24 +*/
1.25 +
1.26 +function assertThrows(fun, errorType) {
1.27 + try {
1.28 + fun();
1.29 + assertEq(true, false, "Expected error, but none was thrown");
1.30 + } catch (e) {
1.31 + assertEq(e instanceof errorType, true, "Wrong error type thrown");
1.32 + }
1.33 +}
1.34 +
1.35 +Object.prototype[1] = 2; // try to break `arguments[1]`
1.36 +
1.37 +assertEq(String.prototype.startsWith.length, 1);
1.38 +assertEq(String.prototype.propertyIsEnumerable('startsWith'), false);
1.39 +
1.40 +assertEq('undefined'.startsWith(), true);
1.41 +assertEq('undefined'.startsWith(undefined), true);
1.42 +assertEq('undefined'.startsWith(null), false);
1.43 +assertEq('null'.startsWith(), false);
1.44 +assertEq('null'.startsWith(undefined), false);
1.45 +assertEq('null'.startsWith(null), true);
1.46 +
1.47 +assertEq('abc'.startsWith(), false);
1.48 +assertEq('abc'.startsWith(''), true);
1.49 +assertEq('abc'.startsWith('\0'), false);
1.50 +assertEq('abc'.startsWith('a'), true);
1.51 +assertEq('abc'.startsWith('b'), false);
1.52 +assertEq('abc'.startsWith('ab'), true);
1.53 +assertEq('abc'.startsWith('bc'), false);
1.54 +assertEq('abc'.startsWith('abc'), true);
1.55 +assertEq('abc'.startsWith('bcd'), false);
1.56 +assertEq('abc'.startsWith('abcd'), false);
1.57 +assertEq('abc'.startsWith('bcde'), false);
1.58 +
1.59 +assertEq('abc'.startsWith('', NaN), true);
1.60 +assertEq('abc'.startsWith('\0', NaN), false);
1.61 +assertEq('abc'.startsWith('a', NaN), true);
1.62 +assertEq('abc'.startsWith('b', NaN), false);
1.63 +assertEq('abc'.startsWith('ab', NaN), true);
1.64 +assertEq('abc'.startsWith('bc', NaN), false);
1.65 +assertEq('abc'.startsWith('abc', NaN), true);
1.66 +assertEq('abc'.startsWith('bcd', NaN), false);
1.67 +assertEq('abc'.startsWith('abcd', NaN), false);
1.68 +assertEq('abc'.startsWith('bcde', NaN), false);
1.69 +
1.70 +assertEq('abc'.startsWith('', false), true);
1.71 +assertEq('abc'.startsWith('\0', false), false);
1.72 +assertEq('abc'.startsWith('a', false), true);
1.73 +assertEq('abc'.startsWith('b', false), false);
1.74 +assertEq('abc'.startsWith('ab', false), true);
1.75 +assertEq('abc'.startsWith('bc', false), false);
1.76 +assertEq('abc'.startsWith('abc', false), true);
1.77 +assertEq('abc'.startsWith('bcd', false), false);
1.78 +assertEq('abc'.startsWith('abcd', false), false);
1.79 +assertEq('abc'.startsWith('bcde', false), false);
1.80 +
1.81 +assertEq('abc'.startsWith('', undefined), true);
1.82 +assertEq('abc'.startsWith('\0', undefined), false);
1.83 +assertEq('abc'.startsWith('a', undefined), true);
1.84 +assertEq('abc'.startsWith('b', undefined), false);
1.85 +assertEq('abc'.startsWith('ab', undefined), true);
1.86 +assertEq('abc'.startsWith('bc', undefined), false);
1.87 +assertEq('abc'.startsWith('abc', undefined), true);
1.88 +assertEq('abc'.startsWith('bcd', undefined), false);
1.89 +assertEq('abc'.startsWith('abcd', undefined), false);
1.90 +assertEq('abc'.startsWith('bcde', undefined), false);
1.91 +
1.92 +assertEq('abc'.startsWith('', null), true);
1.93 +assertEq('abc'.startsWith('\0', null), false);
1.94 +assertEq('abc'.startsWith('a', null), true);
1.95 +assertEq('abc'.startsWith('b', null), false);
1.96 +assertEq('abc'.startsWith('ab', null), true);
1.97 +assertEq('abc'.startsWith('bc', null), false);
1.98 +assertEq('abc'.startsWith('abc', null), true);
1.99 +assertEq('abc'.startsWith('bcd', null), false);
1.100 +assertEq('abc'.startsWith('abcd', null), false);
1.101 +assertEq('abc'.startsWith('bcde', null), false);
1.102 +
1.103 +assertEq('abc'.startsWith('', -Infinity), true);
1.104 +assertEq('abc'.startsWith('\0', -Infinity), false);
1.105 +assertEq('abc'.startsWith('a', -Infinity), true);
1.106 +assertEq('abc'.startsWith('b', -Infinity), false);
1.107 +assertEq('abc'.startsWith('ab', -Infinity), true);
1.108 +assertEq('abc'.startsWith('bc', -Infinity), false);
1.109 +assertEq('abc'.startsWith('abc', -Infinity), true);
1.110 +assertEq('abc'.startsWith('bcd', -Infinity), false);
1.111 +assertEq('abc'.startsWith('abcd', -Infinity), false);
1.112 +assertEq('abc'.startsWith('bcde', -Infinity), false);
1.113 +
1.114 +assertEq('abc'.startsWith('', -1), true);
1.115 +assertEq('abc'.startsWith('\0', -1), false);
1.116 +assertEq('abc'.startsWith('a', -1), true);
1.117 +assertEq('abc'.startsWith('b', -1), false);
1.118 +assertEq('abc'.startsWith('ab', -1), true);
1.119 +assertEq('abc'.startsWith('bc', -1), false);
1.120 +assertEq('abc'.startsWith('abc', -1), true);
1.121 +assertEq('abc'.startsWith('bcd', -1), false);
1.122 +assertEq('abc'.startsWith('abcd', -1), false);
1.123 +assertEq('abc'.startsWith('bcde', -1), false);
1.124 +
1.125 +assertEq('abc'.startsWith('', -0), true);
1.126 +assertEq('abc'.startsWith('\0', -0), false);
1.127 +assertEq('abc'.startsWith('a', -0), true);
1.128 +assertEq('abc'.startsWith('b', -0), false);
1.129 +assertEq('abc'.startsWith('ab', -0), true);
1.130 +assertEq('abc'.startsWith('bc', -0), false);
1.131 +assertEq('abc'.startsWith('abc', -0), true);
1.132 +assertEq('abc'.startsWith('bcd', -0), false);
1.133 +assertEq('abc'.startsWith('abcd', -0), false);
1.134 +assertEq('abc'.startsWith('bcde', -0), false);
1.135 +
1.136 +assertEq('abc'.startsWith('', +0), true);
1.137 +assertEq('abc'.startsWith('\0', +0), false);
1.138 +assertEq('abc'.startsWith('a', +0), true);
1.139 +assertEq('abc'.startsWith('b', +0), false);
1.140 +assertEq('abc'.startsWith('ab', +0), true);
1.141 +assertEq('abc'.startsWith('bc', +0), false);
1.142 +assertEq('abc'.startsWith('abc', +0), true);
1.143 +assertEq('abc'.startsWith('bcd', +0), false);
1.144 +assertEq('abc'.startsWith('abcd', +0), false);
1.145 +assertEq('abc'.startsWith('bcde', +0), false);
1.146 +
1.147 +assertEq('abc'.startsWith('', 1), true);
1.148 +assertEq('abc'.startsWith('\0', 1), false);
1.149 +assertEq('abc'.startsWith('a', 1), false);
1.150 +assertEq('abc'.startsWith('b', 1), true);
1.151 +assertEq('abc'.startsWith('ab', 1), false);
1.152 +assertEq('abc'.startsWith('bc', 1), true);
1.153 +assertEq('abc'.startsWith('abc', 1), false);
1.154 +assertEq('abc'.startsWith('bcd', 1), false);
1.155 +assertEq('abc'.startsWith('abcd', 1), false);
1.156 +assertEq('abc'.startsWith('bcde', 1), false);
1.157 +
1.158 +assertEq('abc'.startsWith('', +Infinity), true);
1.159 +assertEq('abc'.startsWith('\0', +Infinity), false);
1.160 +assertEq('abc'.startsWith('a', +Infinity), false);
1.161 +assertEq('abc'.startsWith('b', +Infinity), false);
1.162 +assertEq('abc'.startsWith('ab', +Infinity), false);
1.163 +assertEq('abc'.startsWith('bc', +Infinity), false);
1.164 +assertEq('abc'.startsWith('abc', +Infinity), false);
1.165 +assertEq('abc'.startsWith('bcd', +Infinity), false);
1.166 +assertEq('abc'.startsWith('abcd', +Infinity), false);
1.167 +assertEq('abc'.startsWith('bcde', +Infinity), false);
1.168 +
1.169 +assertEq('abc'.startsWith('', true), true);
1.170 +assertEq('abc'.startsWith('\0', true), false);
1.171 +assertEq('abc'.startsWith('a', true), false);
1.172 +assertEq('abc'.startsWith('b', true), true);
1.173 +assertEq('abc'.startsWith('ab', true), false);
1.174 +assertEq('abc'.startsWith('bc', true), true);
1.175 +assertEq('abc'.startsWith('abc', true), false);
1.176 +assertEq('abc'.startsWith('bcd', true), false);
1.177 +assertEq('abc'.startsWith('abcd', true), false);
1.178 +assertEq('abc'.startsWith('bcde', true), false);
1.179 +
1.180 +assertEq('abc'.startsWith('', 'x'), true);
1.181 +assertEq('abc'.startsWith('\0', 'x'), false);
1.182 +assertEq('abc'.startsWith('a', 'x'), true);
1.183 +assertEq('abc'.startsWith('b', 'x'), false);
1.184 +assertEq('abc'.startsWith('ab', 'x'), true);
1.185 +assertEq('abc'.startsWith('bc', 'x'), false);
1.186 +assertEq('abc'.startsWith('abc', 'x'), true);
1.187 +assertEq('abc'.startsWith('bcd', 'x'), false);
1.188 +assertEq('abc'.startsWith('abcd', 'x'), false);
1.189 +assertEq('abc'.startsWith('bcde', 'x'), false);
1.190 +
1.191 +assertEq('[a-z]+(bar)?'.startsWith('[a-z]+'), true);
1.192 +assertThrows(function() { '[a-z]+(bar)?'.startsWith(/[a-z]+/); }, TypeError);
1.193 +assertEq('[a-z]+(bar)?'.startsWith('(bar)?', 6), true);
1.194 +assertThrows(function() { '[a-z]+(bar)?'.startsWith(/(bar)?/); }, TypeError);
1.195 +assertThrows(function() { '[a-z]+/(bar)?/'.startsWith(/(bar)?/); }, TypeError);
1.196 +var global = newGlobal();
1.197 +global.eval('this.re = /(bar)?/');
1.198 +assertThrows(function() { '[a-z]+/(bar)?/'.startsWith(global.re); }, TypeError);
1.199 +
1.200 +// http://mathiasbynens.be/notes/javascript-unicode#poo-test
1.201 +var string = 'I\xF1t\xEBrn\xE2ti\xF4n\xE0liz\xE6ti\xF8n\u2603\uD83D\uDCA9';
1.202 +assertEq(string.startsWith(''), true);
1.203 +assertEq(string.startsWith('\xF1t\xEBr'), false);
1.204 +assertEq(string.startsWith('\xF1t\xEBr', 1), true);
1.205 +assertEq(string.startsWith('\xE0liz\xE6'), false);
1.206 +assertEq(string.startsWith('\xE0liz\xE6', 11), true);
1.207 +assertEq(string.startsWith('\xF8n\u2603\uD83D\uDCA9'), false);
1.208 +assertEq(string.startsWith('\xF8n\u2603\uD83D\uDCA9', 18), true);
1.209 +assertEq(string.startsWith('\u2603'), false);
1.210 +assertEq(string.startsWith('\u2603', 20), true);
1.211 +assertEq(string.startsWith('\uD83D\uDCA9'), false);
1.212 +assertEq(string.startsWith('\uD83D\uDCA9', 21), true);
1.213 +
1.214 +assertThrows(function() { String.prototype.startsWith.call(undefined); }, TypeError);
1.215 +assertThrows(function() { String.prototype.startsWith.call(undefined, 'b'); }, TypeError);
1.216 +assertThrows(function() { String.prototype.startsWith.call(undefined, 'b', 4); }, TypeError);
1.217 +assertThrows(function() { String.prototype.startsWith.call(null); }, TypeError);
1.218 +assertThrows(function() { String.prototype.startsWith.call(null, 'b'); }, TypeError);
1.219 +assertThrows(function() { String.prototype.startsWith.call(null, 'b', 4); }, TypeError);
1.220 +assertEq(String.prototype.startsWith.call(42, '2'), false);
1.221 +assertEq(String.prototype.startsWith.call(42, '4'), true);
1.222 +assertEq(String.prototype.startsWith.call(42, 'b', 4), false);
1.223 +assertEq(String.prototype.startsWith.call(42, '2', 1), true);
1.224 +assertEq(String.prototype.startsWith.call(42, '2', 4), false);
1.225 +assertEq(String.prototype.startsWith.call({ 'toString': function() { return 'abc'; } }, 'b', 0), false);
1.226 +assertEq(String.prototype.startsWith.call({ 'toString': function() { return 'abc'; } }, 'b', 1), true);
1.227 +assertEq(String.prototype.startsWith.call({ 'toString': function() { return 'abc'; } }, 'b', 2), false);
1.228 +assertThrows(function() { String.prototype.startsWith.call({ 'toString': function() { throw RangeError(); } }, /./); }, RangeError);
1.229 +assertThrows(function() { String.prototype.startsWith.call({ 'toString': function() { return 'abc'; } }, /./); }, TypeError);
1.230 +
1.231 +assertThrows(function() { String.prototype.startsWith.apply(undefined); }, TypeError);
1.232 +assertThrows(function() { String.prototype.startsWith.apply(undefined, ['b']); }, TypeError);
1.233 +assertThrows(function() { String.prototype.startsWith.apply(undefined, ['b', 4]); }, TypeError);
1.234 +assertThrows(function() { String.prototype.startsWith.apply(null); }, TypeError);
1.235 +assertThrows(function() { String.prototype.startsWith.apply(null, ['b']); }, TypeError);
1.236 +assertThrows(function() { String.prototype.startsWith.apply(null, ['b', 4]); }, TypeError);
1.237 +assertEq(String.prototype.startsWith.apply(42, ['2']), false);
1.238 +assertEq(String.prototype.startsWith.apply(42, ['4']), true);
1.239 +assertEq(String.prototype.startsWith.apply(42, ['b', 4]), false);
1.240 +assertEq(String.prototype.startsWith.apply(42, ['2', 1]), true);
1.241 +assertEq(String.prototype.startsWith.apply(42, ['2', 4]), false);
1.242 +assertEq(String.prototype.startsWith.apply({ 'toString': function() { return 'abc'; } }, ['b', 0]), false);
1.243 +assertEq(String.prototype.startsWith.apply({ 'toString': function() { return 'abc'; } }, ['b', 1]), true);
1.244 +assertEq(String.prototype.startsWith.apply({ 'toString': function() { return 'abc'; } }, ['b', 2]), false);
1.245 +assertThrows(function() { String.prototype.startsWith.apply({ 'toString': function() { throw RangeError(); } }, [/./]); }, RangeError);
1.246 +assertThrows(function() { String.prototype.startsWith.apply({ 'toString': function() { return 'abc'; } }, [/./]); }, TypeError);
