js/src/jit-test/tests/debug/Frame-identity-04.js@6474c204b198 (annotated)
js/src/jit-test/tests/debug/Frame-identity-04.js
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | // Test that on-stack Debugger.Frames are not GC'd even if they are only reachable |
| michael@0 | 2 | // from the js::Debugger::frames table. |
| michael@0 | 3 | |
| michael@0 | 4 | var g = newGlobal(); |
| michael@0 | 5 | g.eval("function f(n) { if (n) f(n - 1); debugger; }"); |
| michael@0 | 6 | var dbg = new Debugger(g); |
| michael@0 | 7 | var hits = 0; |
| michael@0 | 8 | dbg.onDebuggerStatement = function (frame) { |
| michael@0 | 9 | if (hits === 0) { |
| michael@0 | 10 | for (; frame; frame = frame.older) |
| michael@0 | 11 | frame.seen = true; |
| michael@0 | 12 | } else { |
| michael@0 | 13 | for (; frame; frame = frame.older) |
| michael@0 | 14 | assertEq(frame.seen, true); |
| michael@0 | 15 | } |
| michael@0 | 16 | gc(); |
| michael@0 | 17 | hits++; |
| michael@0 | 18 | }; |
| michael@0 | 19 | g.f(20); |
| michael@0 | 20 | assertEq(hits, 21); |
