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);