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-8014785: Ability to extend global instance by binding properties of another object 26 * 27 * @test 28 * @run 29 */ 30 31 var obj = { x: 34, y: 100 }; 32 var foo = {} 33 34 // bind properties of "obj" to "foo" obj 35 Object.bindProperties(foo, obj); 36 37 // now we can access/write on foo properties 38 print("foo.x = " + foo.x); // prints obj.x which is 34 39 40 // update obj.x via foo.x 41 foo.x = "hello"; 42 print("obj.x = " + obj.x); // prints "hello" now 43 44 obj.x = 42; // foo.x also becomes 42 45 print("obj.x = " + obj.x); // prints 42 46 print("foo.x = " + foo.x); // prints 42 47 48 // now bind a mirror object to an object 49 var obj = loadWithNewGlobal({ 50 name: "test", 51 script: "obj = { x: 33, y: 'hello' }" 52 }); 53 54 Object.bindProperties(this, obj); 55 print("x = " + x); // prints 33 56 print("y = " + y); // prints "hello" 57 58 x = Math.PI; // changes obj.x to Math.PI 59 print("obj.x = " +obj.x); // prints Math.PI 60 61 obj.y = 32; 62 print("y = " + y); // should print 32