js/src/jit-test/tests/debug/Environment-getVariable-10.js@ac0c01689b40 (annotated)
js/src/jit-test/tests/debug/Environment-getVariable-10.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 | // getVariable works on a heavyweight environment after control leaves its scope. |
| michael@0 | 2 | |
| michael@0 | 3 | var g = newGlobal(); |
| michael@0 | 4 | var dbg = Debugger(g); |
| michael@0 | 5 | var envs = []; |
| michael@0 | 6 | dbg.onDebuggerStatement = function (frame) { |
| michael@0 | 7 | envs.push(frame.environment); |
| michael@0 | 8 | }; |
| michael@0 | 9 | g.eval("var f;\n" + |
| michael@0 | 10 | "for (var x = 0; x < 3; x++) {\n" + |
| michael@0 | 11 | " (function (x) {\n" + |
| michael@0 | 12 | " for (var y = 0; y < 3; y++) {\n" + |
| michael@0 | 13 | " (function (z) {\n" + |
| michael@0 | 14 | " eval(z); // force heavyweight\n" + |
| michael@0 | 15 | " debugger;\n" + |
| michael@0 | 16 | " })(x + y);\n" + |
| michael@0 | 17 | " }\n" + |
| michael@0 | 18 | " })(x);\n" + |
| michael@0 | 19 | "}"); |
| michael@0 | 20 | |
| michael@0 | 21 | var i = 0; |
| michael@0 | 22 | for (var x = 0; x < 3; x++) { |
| michael@0 | 23 | for (var y = 0; y < 3; y++) { |
| michael@0 | 24 | var e = envs[i++]; |
| michael@0 | 25 | assertEq(e.getVariable("z"), x + y); |
| michael@0 | 26 | } |
| michael@0 | 27 | } |
