js/src/jit-test/tests/debug/Frame-eval-12.js@6474c204b198 (annotated)
js/src/jit-test/tests/debug/Frame-eval-12.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 | // The arguments can escape from a function via a debugging hook. |
| michael@0 | 2 | |
| michael@0 | 3 | var g = newGlobal(); |
| michael@0 | 4 | var dbg = new Debugger(g); |
| michael@0 | 5 | |
| michael@0 | 6 | // capture arguments object and test function |
| michael@0 | 7 | dbg.onDebuggerStatement = function (frame) { |
| michael@0 | 8 | var args = frame.older.environment.parent.getVariable('arguments'); |
| michael@0 | 9 | assertEq(args.missingArguments, true); |
| michael@0 | 10 | }; |
| michael@0 | 11 | g.eval("function h() { debugger; }"); |
| michael@0 | 12 | g.eval("function f() { var x = 0; return function() { x++; h() } }"); |
| michael@0 | 13 | g.eval("f('ponies')()"); |
