diff options
Diffstat (limited to 'js/src/jit-test/tests/basic/string-startswith.js')
| -rw-r--r-- | js/src/jit-test/tests/basic/string-startswith.js | 243 |
1 files changed, 243 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/basic/string-startswith.js b/js/src/jit-test/tests/basic/string-startswith.js new file mode 100644 index 000000000..d788e30e8 --- /dev/null +++ b/js/src/jit-test/tests/basic/string-startswith.js @@ -0,0 +1,243 @@ +/* +* Copyright (c) 2013 Mathias Bynens. All rights reserved. +* +* Permission is hereby granted, free of charge, to any person obtaining a +* copy of this software and associated documentation files (the "Software"), +* to deal in the Software without restriction, including without limitation +* the rights to use, copy, modify, merge, publish, distribute, sublicense, +* and/or sell copies of the Software, and to permit persons to whom the +* Software is furnished to do so, subject to the following conditions: +* +* The above copyright notice and this permission notice shall be included in +* all copies or substantial portions of the Software. +* +* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING +* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER +* DEALINGS IN THE SOFTWARE. +*/ + +function assertThrows(fun, errorType) { + try { + fun(); + assertEq(true, false, "Expected error, but none was thrown"); + } catch (e) { + assertEq(e instanceof errorType, true, "Wrong error type thrown"); + } +} + +Object.prototype[1] = 2; // try to break `arguments[1]` + +assertEq(String.prototype.startsWith.length, 1); +assertEq(String.prototype.propertyIsEnumerable('startsWith'), false); + +assertEq('undefined'.startsWith(), true); +assertEq('undefined'.startsWith(undefined), true); +assertEq('undefined'.startsWith(null), false); +assertEq('null'.startsWith(), false); +assertEq('null'.startsWith(undefined), false); +assertEq('null'.startsWith(null), true); + +assertEq('abc'.startsWith(), false); +assertEq('abc'.startsWith(''), true); +assertEq('abc'.startsWith('\0'), false); +assertEq('abc'.startsWith('a'), true); +assertEq('abc'.startsWith('b'), false); +assertEq('abc'.startsWith('ab'), true); +assertEq('abc'.startsWith('bc'), false); +assertEq('abc'.startsWith('abc'), true); +assertEq('abc'.startsWith('bcd'), false); +assertEq('abc'.startsWith('abcd'), false); +assertEq('abc'.startsWith('bcde'), false); + +assertEq('abc'.startsWith('', NaN), true); +assertEq('abc'.startsWith('\0', NaN), false); +assertEq('abc'.startsWith('a', NaN), true); +assertEq('abc'.startsWith('b', NaN), false); +assertEq('abc'.startsWith('ab', NaN), true); +assertEq('abc'.startsWith('bc', NaN), false); +assertEq('abc'.startsWith('abc', NaN), true); +assertEq('abc'.startsWith('bcd', NaN), false); +assertEq('abc'.startsWith('abcd', NaN), false); +assertEq('abc'.startsWith('bcde', NaN), false); + +assertEq('abc'.startsWith('', false), true); +assertEq('abc'.startsWith('\0', false), false); +assertEq('abc'.startsWith('a', false), true); +assertEq('abc'.startsWith('b', false), false); +assertEq('abc'.startsWith('ab', false), true); +assertEq('abc'.startsWith('bc', false), false); +assertEq('abc'.startsWith('abc', false), true); +assertEq('abc'.startsWith('bcd', false), false); +assertEq('abc'.startsWith('abcd', false), false); +assertEq('abc'.startsWith('bcde', false), false); + +assertEq('abc'.startsWith('', undefined), true); +assertEq('abc'.startsWith('\0', undefined), false); +assertEq('abc'.startsWith('a', undefined), true); +assertEq('abc'.startsWith('b', undefined), false); +assertEq('abc'.startsWith('ab', undefined), true); +assertEq('abc'.startsWith('bc', undefined), false); +assertEq('abc'.startsWith('abc', undefined), true); +assertEq('abc'.startsWith('bcd', undefined), false); +assertEq('abc'.startsWith('abcd', undefined), false); +assertEq('abc'.startsWith('bcde', undefined), false); + +assertEq('abc'.startsWith('', null), true); +assertEq('abc'.startsWith('\0', null), false); +assertEq('abc'.startsWith('a', null), true); +assertEq('abc'.startsWith('b', null), false); +assertEq('abc'.startsWith('ab', null), true); +assertEq('abc'.startsWith('bc', null), false); +assertEq('abc'.startsWith('abc', null), true); +assertEq('abc'.startsWith('bcd', null), false); +assertEq('abc'.startsWith('abcd', null), false); +assertEq('abc'.startsWith('bcde', null), false); + +assertEq('abc'.startsWith('', -Infinity), true); +assertEq('abc'.startsWith('\0', -Infinity), false); +assertEq('abc'.startsWith('a', -Infinity), true); +assertEq('abc'.startsWith('b', -Infinity), false); +assertEq('abc'.startsWith('ab', -Infinity), true); +assertEq('abc'.startsWith('bc', -Infinity), false); +assertEq('abc'.startsWith('abc', -Infinity), true); +assertEq('abc'.startsWith('bcd', -Infinity), false); +assertEq('abc'.startsWith('abcd', -Infinity), false); +assertEq('abc'.startsWith('bcde', -Infinity), false); + +assertEq('abc'.startsWith('', -1), true); +assertEq('abc'.startsWith('\0', -1), false); +assertEq('abc'.startsWith('a', -1), true); +assertEq('abc'.startsWith('b', -1), false); +assertEq('abc'.startsWith('ab', -1), true); +assertEq('abc'.startsWith('bc', -1), false); +assertEq('abc'.startsWith('abc', -1), true); +assertEq('abc'.startsWith('bcd', -1), false); +assertEq('abc'.startsWith('abcd', -1), false); +assertEq('abc'.startsWith('bcde', -1), false); + +assertEq('abc'.startsWith('', -0), true); +assertEq('abc'.startsWith('\0', -0), false); +assertEq('abc'.startsWith('a', -0), true); +assertEq('abc'.startsWith('b', -0), false); +assertEq('abc'.startsWith('ab', -0), true); +assertEq('abc'.startsWith('bc', -0), false); +assertEq('abc'.startsWith('abc', -0), true); +assertEq('abc'.startsWith('bcd', -0), false); +assertEq('abc'.startsWith('abcd', -0), false); +assertEq('abc'.startsWith('bcde', -0), false); + +assertEq('abc'.startsWith('', +0), true); +assertEq('abc'.startsWith('\0', +0), false); +assertEq('abc'.startsWith('a', +0), true); +assertEq('abc'.startsWith('b', +0), false); +assertEq('abc'.startsWith('ab', +0), true); +assertEq('abc'.startsWith('bc', +0), false); +assertEq('abc'.startsWith('abc', +0), true); +assertEq('abc'.startsWith('bcd', +0), false); +assertEq('abc'.startsWith('abcd', +0), false); +assertEq('abc'.startsWith('bcde', +0), false); + +assertEq('abc'.startsWith('', 1), true); +assertEq('abc'.startsWith('\0', 1), false); +assertEq('abc'.startsWith('a', 1), false); +assertEq('abc'.startsWith('b', 1), true); +assertEq('abc'.startsWith('ab', 1), false); +assertEq('abc'.startsWith('bc', 1), true); +assertEq('abc'.startsWith('abc', 1), false); +assertEq('abc'.startsWith('bcd', 1), false); +assertEq('abc'.startsWith('abcd', 1), false); +assertEq('abc'.startsWith('bcde', 1), false); + +assertEq('abc'.startsWith('', +Infinity), true); +assertEq('abc'.startsWith('\0', +Infinity), false); +assertEq('abc'.startsWith('a', +Infinity), false); +assertEq('abc'.startsWith('b', +Infinity), false); +assertEq('abc'.startsWith('ab', +Infinity), false); +assertEq('abc'.startsWith('bc', +Infinity), false); +assertEq('abc'.startsWith('abc', +Infinity), false); +assertEq('abc'.startsWith('bcd', +Infinity), false); +assertEq('abc'.startsWith('abcd', +Infinity), false); +assertEq('abc'.startsWith('bcde', +Infinity), false); + +assertEq('abc'.startsWith('', true), true); +assertEq('abc'.startsWith('\0', true), false); +assertEq('abc'.startsWith('a', true), false); +assertEq('abc'.startsWith('b', true), true); +assertEq('abc'.startsWith('ab', true), false); +assertEq('abc'.startsWith('bc', true), true); +assertEq('abc'.startsWith('abc', true), false); +assertEq('abc'.startsWith('bcd', true), false); +assertEq('abc'.startsWith('abcd', true), false); +assertEq('abc'.startsWith('bcde', true), false); + +assertEq('abc'.startsWith('', 'x'), true); +assertEq('abc'.startsWith('\0', 'x'), false); +assertEq('abc'.startsWith('a', 'x'), true); +assertEq('abc'.startsWith('b', 'x'), false); +assertEq('abc'.startsWith('ab', 'x'), true); +assertEq('abc'.startsWith('bc', 'x'), false); +assertEq('abc'.startsWith('abc', 'x'), true); +assertEq('abc'.startsWith('bcd', 'x'), false); +assertEq('abc'.startsWith('abcd', 'x'), false); +assertEq('abc'.startsWith('bcde', 'x'), false); + +assertEq('[a-z]+(bar)?'.startsWith('[a-z]+'), true); +assertThrows(function() { '[a-z]+(bar)?'.startsWith(/[a-z]+/); }, TypeError); +assertEq('[a-z]+(bar)?'.startsWith('(bar)?', 6), true); +assertThrows(function() { '[a-z]+(bar)?'.startsWith(/(bar)?/); }, TypeError); +assertThrows(function() { '[a-z]+/(bar)?/'.startsWith(/(bar)?/); }, TypeError); +var global = newGlobal(); +global.eval('this.re = /(bar)?/'); +assertThrows(function() { '[a-z]+/(bar)?/'.startsWith(global.re); }, TypeError); + +// http://mathiasbynens.be/notes/javascript-unicode#poo-test +var string = 'I\xF1t\xEBrn\xE2ti\xF4n\xE0liz\xE6ti\xF8n\u2603\uD83D\uDCA9'; +assertEq(string.startsWith(''), true); +assertEq(string.startsWith('\xF1t\xEBr'), false); +assertEq(string.startsWith('\xF1t\xEBr', 1), true); +assertEq(string.startsWith('\xE0liz\xE6'), false); +assertEq(string.startsWith('\xE0liz\xE6', 11), true); +assertEq(string.startsWith('\xF8n\u2603\uD83D\uDCA9'), false); +assertEq(string.startsWith('\xF8n\u2603\uD83D\uDCA9', 18), true); +assertEq(string.startsWith('\u2603'), false); +assertEq(string.startsWith('\u2603', 20), true); +assertEq(string.startsWith('\uD83D\uDCA9'), false); +assertEq(string.startsWith('\uD83D\uDCA9', 21), true); + +assertThrows(function() { String.prototype.startsWith.call(undefined); }, TypeError); +assertThrows(function() { String.prototype.startsWith.call(undefined, 'b'); }, TypeError); +assertThrows(function() { String.prototype.startsWith.call(undefined, 'b', 4); }, TypeError); +assertThrows(function() { String.prototype.startsWith.call(null); }, TypeError); +assertThrows(function() { String.prototype.startsWith.call(null, 'b'); }, TypeError); +assertThrows(function() { String.prototype.startsWith.call(null, 'b', 4); }, TypeError); +assertEq(String.prototype.startsWith.call(42, '2'), false); +assertEq(String.prototype.startsWith.call(42, '4'), true); +assertEq(String.prototype.startsWith.call(42, 'b', 4), false); +assertEq(String.prototype.startsWith.call(42, '2', 1), true); +assertEq(String.prototype.startsWith.call(42, '2', 4), false); +assertEq(String.prototype.startsWith.call({ 'toString': function() { return 'abc'; } }, 'b', 0), false); +assertEq(String.prototype.startsWith.call({ 'toString': function() { return 'abc'; } }, 'b', 1), true); +assertEq(String.prototype.startsWith.call({ 'toString': function() { return 'abc'; } }, 'b', 2), false); +assertThrows(function() { String.prototype.startsWith.call({ 'toString': function() { throw RangeError(); } }, /./); }, RangeError); +assertThrows(function() { String.prototype.startsWith.call({ 'toString': function() { return 'abc'; } }, /./); }, TypeError); + +assertThrows(function() { String.prototype.startsWith.apply(undefined); }, TypeError); +assertThrows(function() { String.prototype.startsWith.apply(undefined, ['b']); }, TypeError); +assertThrows(function() { String.prototype.startsWith.apply(undefined, ['b', 4]); }, TypeError); +assertThrows(function() { String.prototype.startsWith.apply(null); }, TypeError); +assertThrows(function() { String.prototype.startsWith.apply(null, ['b']); }, TypeError); +assertThrows(function() { String.prototype.startsWith.apply(null, ['b', 4]); }, TypeError); +assertEq(String.prototype.startsWith.apply(42, ['2']), false); +assertEq(String.prototype.startsWith.apply(42, ['4']), true); +assertEq(String.prototype.startsWith.apply(42, ['b', 4]), false); +assertEq(String.prototype.startsWith.apply(42, ['2', 1]), true); +assertEq(String.prototype.startsWith.apply(42, ['2', 4]), false); +assertEq(String.prototype.startsWith.apply({ 'toString': function() { return 'abc'; } }, ['b', 0]), false); +assertEq(String.prototype.startsWith.apply({ 'toString': function() { return 'abc'; } }, ['b', 1]), true); +assertEq(String.prototype.startsWith.apply({ 'toString': function() { return 'abc'; } }, ['b', 2]), false); +assertThrows(function() { String.prototype.startsWith.apply({ 'toString': function() { throw RangeError(); } }, [/./]); }, RangeError); +assertThrows(function() { String.prototype.startsWith.apply({ 'toString': function() { return 'abc'; } }, [/./]); }, TypeError); |