michael@0: function bogusConstruct(target) { return 4; }
michael@0: function bogusConstructUndefined(target) { }
michael@0: 
michael@0: var handler = { construct: bogusConstruct }
michael@0: 
michael@0: function callable() {}
michael@0: 
michael@0: var p = new Proxy(callable, handler);
michael@0: 
michael@0: assertThrowsInstanceOf(function () { new p(); }, TypeError,
michael@0:                        "[[Construct must throw if an object is not returned.");
michael@0: 
michael@0: handler.construct = bogusConstructUndefined;
michael@0: assertThrowsInstanceOf(function () { new p(); }, TypeError,
michael@0:                        "[[Construct must throw if an object is not returned.");
michael@0: 
michael@0: if (typeof reportCompare === "function")
michael@0:     reportCompare(0,0, "OK");