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);