michael@0: // Debugger.Object basics
michael@0: 
michael@0: var g = newGlobal();
michael@0: var dbg = Debugger(g);
michael@0: var hits = 0;
michael@0: dbg.onDebuggerStatement = function (frame) {
michael@0:     assertEq(frame.arguments[0], frame.callee);
michael@0:     assertEq(Object.getPrototypeOf(frame.arguments[0]), Debugger.Object.prototype);
michael@0:     assertEq(frame.arguments[0] instanceof Debugger.Object, true);
michael@0:     assertEq(frame.arguments[0] !== frame.arguments[1], true);
michael@0:     assertEq(Object.getPrototypeOf(frame.arguments[1]), Debugger.Object.prototype);
michael@0:     assertEq(frame.arguments[1] instanceof Debugger.Object, true);
michael@0:     hits++;
michael@0: };
michael@0: 
michael@0: g.eval("var obj = {}; function f(a, b) { debugger; } f(f, obj);");
michael@0: assertEq(hits, 1);