js/src/jit-test/tests/arrays/length-set-after-define-nonconfigurable.js@ac0c01689b40 (annotated)
js/src/jit-test/tests/arrays/length-set-after-define-nonconfigurable.js
Thu, 15 Jan 2015 15:59:08 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 15 Jan 2015 15:59:08 +0100
- branch
- TOR_BUG_9701
- changeset 10
- ac0c01689b40
- permissions
- -rw-r--r--
Implement a real Private Browsing Mode condition by changing the API/ABI;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.
| michael@0 | 1 | var arr = [1]; |
| michael@0 | 2 | Object.defineProperty(arr, 1, { value: undefined, configurable: false }); |
| michael@0 | 3 | |
| michael@0 | 4 | // no particular reason for 9 -- just enough to trigger property-cache code, |
| michael@0 | 5 | // maybe start JITting a little |
| michael@0 | 6 | for (var y = 0; y < 9; y++) |
| michael@0 | 7 | arr.length = 1; |
