michael@0: /*
michael@0:  * Call the trap with the handler as the this value, the target as the first
michael@0:  * argument, the name of the property as the second argument, the value as the
michael@0:  * third argument, and the receiver as the fourth argument
michael@0:  */
michael@0: var target = {};
michael@0: var called = false;
michael@0: var handler = {
michael@0:     set: function (target1, name, val, receiver) {
michael@0:         assertEq(this, handler);
michael@0:         assertEq(target1, target);
michael@0:         assertEq(name, 'foo');
michael@0:         assertEq(val, 'baz');
michael@0:         assertEq(receiver, proxy);
michael@0:         called = true;
michael@0:     }
michael@0: };
michael@0: var proxy = new Proxy(target, handler);
michael@0: proxy['foo'] = 'baz';
michael@0: assertEq(called, true);