1 /*
   2  * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  * 
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  * 
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  * 
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  * 
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /**
  25  * JDK-8042364: Make __proto__ ES6 draft compliant
  26  * 
  27  * @test
  28  * @run
  29  */
  30 
  31 // check for Object.prototype.__proto__ accessor property
  32 print("Object.prototype has __proto__?",
  33     Object.prototype.hasOwnProperty("__proto__"))
  34 
  35 var desc = Object.getOwnPropertyDescriptor(Object.prototype, "__proto__")
  36 print("descriptor");
  37 print(JSON.stringify(desc))
  38 print("getter", desc.get)
  39 print("setter", desc.set)
  40 
  41 // no computed "__proto__" name, only identifier!
  42 var p = {}
  43 var obj = {
  44     "__proto__" : p
  45 }
  46 
  47 if (Object.getPrototypeOf(obj) === p) {
  48     fail("obj has wrong __proto__, allows computed __proto__!")
  49 }
  50 
  51 if (obj.__proto__ !== p) {
  52     fail("__proto__ not created as normal property!")
  53 }
  54 
  55 if (Object.getPrototypeOf(obj) !== Object.prototype) {
  56     fail("obj has wrong __proto__")
  57 }
  58 
  59 var obj2 = {
  60     __proto__: p
  61 }
  62 
  63 if (Object.getPrototypeOf(obj2) !== p) {
  64     fail("can't set __proto__ in object literal")
  65 }