| // The script and environment of a non-debuggee function are null. |
| |
| var g = newGlobal(); |
| g.eval('function f() { return "from f"; }'); |
| |
| var dbg = new Debugger; |
| var gw = dbg.makeGlobalObjectReference(g); |
| var fw = gw.getOwnPropertyDescriptor('f').value; |
| |
| // g is not a debuggee, so we can't fetch f's script or environment. |
| assertEq(fw.script, null); |
| assertEq(fw.environment, null); |
| |
| // If we add g as a debuggee, we can fetch f's script and environment. |
| dbg.addDebuggee(g); |
| var fscript = fw.script; |
| var fenv = fw.environment; |
| assertEq(fscript instanceof Debugger.Script, true); |
| assertEq(fenv instanceof Debugger.Environment, true); |
| |
| // Removing g as a debuggee makes the script and environment inaccessible again. |
| dbg.removeDebuggee(g); |
| assertEq(fw.script, null); |
| assertEq(fw.environment, null); |