michael@0: load(libdir + "asserts.js");
michael@0: /*
michael@0:  * Call the trap with the handler as the this value, the target as the first
michael@0:  * argument, and the original arguments as the third argument.
michael@0:  *
michael@0:  * Hooks that don't return an object must throw.
michael@0:  */
michael@0: var target = function () {};
michael@0: var handler = {
michael@0:     construct: function (target1, args) {
michael@0:         assertEq(this, handler);
michael@0:         assertEq(target1, target);
michael@0:         assertEq(args.length, 2);
michael@0:         assertEq(args[0], 2);
michael@0:         assertEq(args[1], 3);
michael@0:     }
michael@0: }
michael@0: assertThrowsInstanceOf(function () {new (new Proxy(target, handler))(2, 3)}, TypeError);