js/src/jit-test/tests/debug/Frame-identity-04.js@ac0c01689b40
js/src/jit-test/tests/debug/Frame-identity-04.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 // Test that on-stack Debugger.Frames are not GC'd even if they are only reachable
2 // from the js::Debugger::frames table.
4 var g = newGlobal();
5 g.eval("function f(n) { if (n) f(n - 1); debugger; }");
6 var dbg = new Debugger(g);
7 var hits = 0;
8 dbg.onDebuggerStatement = function (frame) {
9 if (hits === 0) {
10 for (; frame; frame = frame.older)
11 frame.seen = true;
12 } else {
13 for (; frame; frame = frame.older)
14 assertEq(frame.seen, true);
15 }
16 gc();
17 hits++;
18 };
19 g.f(20);
20 assertEq(hits, 21);
