js/src/jit-test/tests/debug/Object-script-environment-nondebuggee.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 script and environment of a non-debuggee function are null.
michael@0 2
michael@0 3 var g = newGlobal();
michael@0 4 g.eval('function f() { return "from f"; }');
michael@0 5
michael@0 6 var dbg = new Debugger;
michael@0 7 var gw = dbg.makeGlobalObjectReference(g);
michael@0 8 var fw = gw.getOwnPropertyDescriptor('f').value;
michael@0 9
michael@0 10 // g is not a debuggee, so we can't fetch f's script or environment.
michael@0 11 assertEq(fw.script, null);
michael@0 12 assertEq(fw.environment, null);
michael@0 13
michael@0 14 // If we add g as a debuggee, we can fetch f's script and environment.
michael@0 15 dbg.addDebuggee(g);
michael@0 16 var fscript = fw.script;
michael@0 17 var fenv = fw.environment;
michael@0 18 assertEq(fscript instanceof Debugger.Script, true);
michael@0 19 assertEq(fenv instanceof Debugger.Environment, true);
michael@0 20
michael@0 21 // Removing g as a debuggee makes the script and environment inaccessible again.
michael@0 22 dbg.removeDebuggee(g);
michael@0 23 assertEq(fw.script, null);
michael@0 24 assertEq(fw.environment, null);

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