Tue, 22 Jul 2014 10:48:36 -0700
Merge
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 */
24 /**
25 * JDK-8014785: Ability to extend global instance by binding properties of another object
26 *
27 * @test
28 * @run
29 */
31 var obj = { x: 34, y: 100 };
32 var foo = {}
34 // bind properties of "obj" to "foo" obj
35 Object.bindProperties(foo, obj);
37 // now we can access/write on foo properties
38 print("foo.x = " + foo.x); // prints obj.x which is 34
40 // update obj.x via foo.x
41 foo.x = "hello";
42 print("obj.x = " + obj.x); // prints "hello" now
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
48 // now bind a mirror object to an object
49 var obj = loadWithNewGlobal({
50 name: "test",
51 script: "obj = { x: 33, y: 'hello' }"
52 });
54 Object.bindProperties(this, obj);
55 print("x = " + x); // prints 33
56 print("y = " + y); // prints "hello"
58 x = Math.PI; // changes obj.x to Math.PI
59 print("obj.x = " +obj.x); // prints Math.PI
61 obj.y = 32;
62 print("y = " + y); // should print 32