js/src/tests/js1_8_5/extensions/array-length-protochange.js@129ffea94266 (annotated)
js/src/tests/js1_8_5/extensions/array-length-protochange.js
Sat, 03 Jan 2015 20:18:00 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Sat, 03 Jan 2015 20:18:00 +0100
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
- permissions
- -rw-r--r--
Conditionally enable double key logic according to:
private browsing mode or privacy.thirdparty.isolate preference and
implement in GetCookieStringCommon and FindCookie where it counts...
With some reservations of how to convince FindCookie users to test
condition and pass a nullptr when disabling double key logic.
| michael@0 | 1 | // Any copyright is dedicated to the Public Domain. |
| michael@0 | 2 | // http://creativecommons.org/licenses/publicdomain/ |
| michael@0 | 3 | |
| michael@0 | 4 | //----------------------------------------------------------------------------- |
| michael@0 | 5 | var BUGNUMBER = 548671; |
| michael@0 | 6 | var summary = |
| michael@0 | 7 | "Don't use a shared-permanent inherited property to implement " + |
| michael@0 | 8 | "[].length or (function(){}).length"; |
| michael@0 | 9 | |
| michael@0 | 10 | print(BUGNUMBER + ": " + summary); |
| michael@0 | 11 | |
| michael@0 | 12 | /************** |
| michael@0 | 13 | * BEGIN TEST * |
| michael@0 | 14 | **************/ |
| michael@0 | 15 | |
| michael@0 | 16 | var a = [1, 2, 3]; |
| michael@0 | 17 | a.__proto__ = null; |
| michael@0 | 18 | reportCompare("length" in a, true, "length should be own property of array"); |
| michael@0 | 19 | reportCompare(Object.hasOwnProperty.call(a, "length"), true, |
| michael@0 | 20 | "length should be own property of array"); |
| michael@0 | 21 | reportCompare(a.length, 3, "array length should be 3"); |
| michael@0 | 22 | |
| michael@0 | 23 | var a = [], b = []; |
| michael@0 | 24 | b.__proto__ = a; |
| michael@0 | 25 | reportCompare(b.hasOwnProperty("length"), true, |
| michael@0 | 26 | "length should be own property of array"); |
| michael@0 | 27 | b.length = 42; |
| michael@0 | 28 | reportCompare(b.length, 42, "should have mutated b's (own) length"); |
| michael@0 | 29 | reportCompare(a.length, 0, "should not have mutated a's (own) length"); |
| michael@0 | 30 | |
| michael@0 | 31 | |
| michael@0 | 32 | if (typeof reportCompare === "function") |
| michael@0 | 33 | reportCompare(true, true); |
| michael@0 | 34 | |
| michael@0 | 35 | print("All tests passed!"); |
