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 hits = 0;
michael@0: dbg.onDebuggerStatement = function (frame) {
michael@0:     assertEq(frame.older.eval('arguments[0]').return, 'ponies');
michael@0:     hits++;
michael@0: };
michael@0: g.eval("function g() { debugger; }");
michael@0: g.eval("function f() { g(); }");
michael@0: g.eval("f('ponies')");
michael@0: assertEq(hits, 1);