| // Copyright 2015 the V8 project authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // Flags: --harmony-proxies |
| |
| "use strict"; |
| |
| |
| var global = this; |
| |
| |
| (function TestGlobalReceiver() { |
| class A { |
| s() { |
| super.bla = 10; |
| } |
| } |
| new A().s.call(global); |
| assertEquals(10, global.bla); |
| })(); |
| |
| |
| (function TestProxyProto() { |
| var calls = 0; |
| var handler = { |
| getPropertyDescriptor: function(name) { |
| calls++; |
| return undefined; |
| } |
| }; |
| |
| var target = {}; |
| var proxy = new Proxy(target, handler); |
| var object = { |
| __proto__: proxy, |
| setX(v) { |
| super.x = v; |
| }, |
| setSymbol(sym, v) { |
| super[sym] = v; |
| } |
| }; |
| |
| object.setX(1); |
| assertEquals(1, Object.getOwnPropertyDescriptor(object, 'x').value); |
| assertEquals(1, calls); |
| |
| var sym = Symbol(); |
| object.setSymbol.call(global, sym, 2); |
| assertEquals(2, Object.getOwnPropertyDescriptor(global, sym).value); |
| // We currently do not invoke proxy traps for symbols |
| assertEquals(1, calls); |
| })(); |
| |
| |
| (function TestProxyReceiver() { |
| var object = { |
| setY(v) { |
| super.y = v; |
| } |
| }; |
| |
| var calls = 0; |
| var handler = { |
| getPropertyDescriptor(name) { |
| assertUnreachable(); |
| }, |
| set(receiver, name, value) { |
| calls++; |
| assertEquals(proxy, receiver); |
| assertEquals('y', name); |
| assertEquals(3, value); |
| } |
| }; |
| |
| var proxy = new Proxy({}, handler); |
| object.setY.call(proxy, 3); |
| assertEquals(1, calls); |
| })(); |