63 lines
2.0 KiB
JavaScript
63 lines
2.0 KiB
JavaScript
/*
|
|
* Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
|
|
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
|
*
|
|
* This code is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License version 2 only, as
|
|
* published by the Free Software Foundation.
|
|
*
|
|
* This code is distributed in the hope that it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
|
* version 2 for more details (a copy is included in the LICENSE file that
|
|
* accompanied this code).
|
|
*
|
|
* You should have received a copy of the GNU General Public License version
|
|
* 2 along with this work; if not, write to the Free Software Foundation,
|
|
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*
|
|
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
|
|
* or visit www.oracle.com if you need additional information or have any
|
|
* questions.
|
|
*/
|
|
|
|
/**
|
|
* JDK-8014785: Ability to extend global instance by binding properties of another object
|
|
*
|
|
* @test
|
|
* @run
|
|
*/
|
|
|
|
var obj = { x: 34, y: 100 };
|
|
var foo = {}
|
|
|
|
// bind properties of "obj" to "foo" obj
|
|
Object.bindProperties(foo, obj);
|
|
|
|
// now we can access/write on foo properties
|
|
print("foo.x = " + foo.x); // prints obj.x which is 34
|
|
|
|
// update obj.x via foo.x
|
|
foo.x = "hello";
|
|
print("obj.x = " + obj.x); // prints "hello" now
|
|
|
|
obj.x = 42; // foo.x also becomes 42
|
|
print("obj.x = " + obj.x); // prints 42
|
|
print("foo.x = " + foo.x); // prints 42
|
|
|
|
// now bind a mirror object to an object
|
|
var obj = loadWithNewGlobal({
|
|
name: "test",
|
|
script: "obj = { x: 33, y: 'hello' }"
|
|
});
|
|
|
|
Object.bindProperties(this, obj);
|
|
print("x = " + x); // prints 33
|
|
print("y = " + y); // prints "hello"
|
|
|
|
x = Math.PI; // changes obj.x to Math.PI
|
|
print("obj.x = " +obj.x); // prints Math.PI
|
|
|
|
obj.y = 32;
|
|
print("y = " + y); // should print 32
|