michael@0: // The arguments can escape from a function via a debugging hook.
michael@0: 
michael@0: var g = newGlobal();
michael@0: var dbg = new Debugger(g);
michael@0: 
michael@0: // capture arguments object and test function
michael@0: var args, testfn;
michael@0: dbg.onDebuggerStatement = function (frame) {
michael@0:     args = frame.eval("arguments").return;
michael@0:     testfn = frame.eval("test").return;
michael@0: };
michael@0: g.eval("function f() { debugger; }");
michael@0: g.eval("var test = " + function test(args) {
michael@0:         assertEq(args.length, 3);
michael@0:         assertEq(args[0], this);
michael@0:         assertEq(args[1], f);
michael@0:         assertEq(args[2].toString(), "[object Object]");
michael@0:         return 42;
michael@0:     } + ";");
michael@0: g.eval("f(this, f, {});");
michael@0: 
michael@0: var cv = testfn.apply(null, [args]);
michael@0: assertEq(cv.return, 42);