js/src/jit-test/tests/debug/gc-02.js@6474c204b198 (annotated)
js/src/jit-test/tests/debug/gc-02.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 | // Dispatching an event to a debugger must keep enough of it gc-alive to avoid |
| michael@0 | 2 | // crashing. |
| michael@0 | 3 | |
| michael@0 | 4 | var g = newGlobal(); |
| michael@0 | 5 | var hits; |
| michael@0 | 6 | |
| michael@0 | 7 | function addDebug() { |
| michael@0 | 8 | // The loop is here to defeat the conservative GC. :-\ |
| michael@0 | 9 | for (var i = 0; i < 4; i++) { |
| michael@0 | 10 | var dbg = new Debugger(g); |
| michael@0 | 11 | dbg.onDebuggerStatement = function (stack) { |
| michael@0 | 12 | hits++; |
| michael@0 | 13 | this.enabled = false; |
| michael@0 | 14 | this.onDebuggerStatement = undefined; |
| michael@0 | 15 | gc(); |
| michael@0 | 16 | }; |
| michael@0 | 17 | if (i > 0) { |
| michael@0 | 18 | dbg.enabled = false; |
| michael@0 | 19 | dbg.onDebuggerStatement = undefined; |
| michael@0 | 20 | dbg = null; |
| michael@0 | 21 | } |
| michael@0 | 22 | } |
| michael@0 | 23 | } |
| michael@0 | 24 | |
| michael@0 | 25 | addDebug(); |
| michael@0 | 26 | hits = 0; |
| michael@0 | 27 | g.eval("debugger;"); |
| michael@0 | 28 | assertEq(hits, 1); |
