js/src/tests/js1_8_5/extensions/regress-627859.js@ac0c01689b40 (annotated)
js/src/tests/js1_8_5/extensions/regress-627859.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 | // -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- |
| michael@0 | 2 | // Any copyright is dedicated to the Public Domain. |
| michael@0 | 3 | // http://creativecommons.org/licenses/publicdomain/ |
| michael@0 | 4 | |
| michael@0 | 5 | var x = 42; |
| michael@0 | 6 | function a() { |
| michael@0 | 7 | var x; |
| michael@0 | 8 | function b() { |
| michael@0 | 9 | x = 43; |
| michael@0 | 10 | // When jsparse.cpp's CompExprTransplanter transplants the |
| michael@0 | 11 | // comprehension expression 'x' into the scope of the 'for' loop, |
| michael@0 | 12 | // it must not bring the placeholder definition node for the |
| michael@0 | 13 | // assignment to x above along with it. If it does, x won't appear |
| michael@0 | 14 | // in b's lexdeps, we'll never find out that the assignment refers |
| michael@0 | 15 | // to a's x, and we'll generate an assignment to the global x. |
| michael@0 | 16 | (x for (x in [])); |
| michael@0 | 17 | } |
| michael@0 | 18 | b(); |
| michael@0 | 19 | } |
| michael@0 | 20 | a(); |
| michael@0 | 21 | assertEq(x, 42); |
| michael@0 | 22 | |
| michael@0 | 23 | reportCompare(true, true); |
