aoqi@0: /*
aoqi@0:  * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
aoqi@0:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
attila@962:  *
aoqi@0:  * This code is free software; you can redistribute it and/or modify it
aoqi@0:  * under the terms of the GNU General Public License version 2 only, as
aoqi@0:  * published by the Free Software Foundation.
attila@962:  *
aoqi@0:  * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
aoqi@0:  * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0:  * accompanied this code).
attila@962:  *
aoqi@0:  * You should have received a copy of the GNU General Public License version
aoqi@0:  * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
attila@962:  *
aoqi@0:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0:  * or visit www.oracle.com if you need additional information or have any
aoqi@0:  * questions.
aoqi@0:  */
aoqi@0: 
aoqi@0: /**
aoqi@0:  * JDK-8014785: Ability to extend global instance by binding properties of another object
aoqi@0:  *
aoqi@0:  * @test
aoqi@0:  * @run
aoqi@0:  */
aoqi@0: 
aoqi@0: var obj = { x: 34, y: 100 };
aoqi@0: var foo = {}
aoqi@0: 
aoqi@0: // bind properties of "obj" to "foo" obj
aoqi@0: Object.bindProperties(foo, obj);
aoqi@0: 
aoqi@0: // now we can access/write on foo properties
aoqi@0: print("foo.x = " + foo.x); // prints obj.x which is 34
aoqi@0: 
aoqi@0: // update obj.x via foo.x
aoqi@0: foo.x = "hello";
aoqi@0: print("obj.x = " + obj.x); // prints "hello" now
attila@962: 
aoqi@0: obj.x = 42;   // foo.x also becomes 42
aoqi@0: print("obj.x = " + obj.x); // prints 42
aoqi@0: print("foo.x = " + foo.x); // prints 42
aoqi@0: 
aoqi@0: // now bind a mirror object to an object
aoqi@0: var obj = loadWithNewGlobal({
aoqi@0:   name: "test",
aoqi@0:   script: "obj = { x: 33, y: 'hello' }"
aoqi@0: });
aoqi@0: 
aoqi@0: Object.bindProperties(this, obj);
aoqi@0: print("x = " + x); // prints 33
aoqi@0: print("y = " + y); // prints "hello"
aoqi@0: 
aoqi@0: x = Math.PI;               // changes obj.x to Math.PI
aoqi@0: print("obj.x = " +obj.x);  // prints Math.PI
aoqi@0: 
aoqi@0: obj.y = 32;
aoqi@0: print("y = " + y);  // should print 32