1 /*

     2  * Copyright (c) 2010, 2013, 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-8023368: Instance __proto__ property should exist and be writable.

    26  *

    27  * @test

    28  * @run

    29  */

    30 

    31 // check that Object.setPrototypeOf works for mirror objects as well.

    32 

    33 var global = loadWithNewGlobal({

    34     name: "test",

    35     script: "var obj = {}; this"

    36 });

    37 

    38 var proto = global.eval("({ foo: 323 })");

    39 

    40 Object.setPrototypeOf(global.obj, proto);

    41 

    42 function func(obj) {

    43     // check proto inherited value

    44     print("obj.foo = " + obj.foo);

    45 }

    46 

    47 func(global.obj);

    48 

    49 var newProto = global.eval("({ foo: 'hello' })");

    50 Object.setPrototypeOf(global.obj, newProto);

    51 

    52 func(global.obj);