js/src/jit-test/tests/debug/Environment-find-03.js@ac0c01689b40
js/src/jit-test/tests/debug/Environment-find-03.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.
1 // env.find() finds noneumerable properties in with statements.
3 var g = newGlobal();
4 var dbg = Debugger(g);
5 var hits = 0;
6 g.h = function () {
7 var frame = dbg.getNewestFrame();
8 var target = frame.eval("obj").return;
9 var env = frame.environment.find("PI");
10 assertEq(env.object, target);
11 hits++;
12 };
14 g.obj = g.Math;
15 g.eval("with (obj) h();");
16 g.eval("with (Math) { let x = 12; h(); }");
17 g.eval("obj = {};\n" +
18 "Object.defineProperty(obj, 'PI', {enumerable: false, value: 'Marlowe'});\n" +
19 "with (obj) h();\n");
20 assertEq(hits, 3);
