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 }