nashorn/test/script/basic/JDK-8014785.js
author martin
Wed, 10 Dec 2014 09:23:00 -0800
changeset 28057 1a47ceecdba5
parent 24778 2ff5d7041566
permissions -rw-r--r--
8065804: JEP 171: Clarifications/corrections for fence intrinsics Reviewed-by: dholmes, shade, dl, psandoz
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/*
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 * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 */
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/**
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 * JDK-8014785: Ability to extend global instance by binding properties of another object
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 *
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 * @test
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 * @run
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 */
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var obj = { x: 34, y: 100 };
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var foo = {}
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// bind properties of "obj" to "foo" obj
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Object.bindProperties(foo, obj);
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// now we can access/write on foo properties
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print("foo.x = " + foo.x); // prints obj.x which is 34
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// update obj.x via foo.x
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foo.x = "hello";
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print("obj.x = " + obj.x); // prints "hello" now
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obj.x = 42;   // foo.x also becomes 42
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print("obj.x = " + obj.x); // prints 42
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print("foo.x = " + foo.x); // prints 42
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// now bind a mirror object to an object
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var obj = loadWithNewGlobal({
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  name: "test",
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  script: "obj = { x: 33, y: 'hello' }"
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});
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Object.bindProperties(this, obj);
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print("x = " + x); // prints 33
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print("y = " + y); // prints "hello"
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x = Math.PI;               // changes obj.x to Math.PI
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print("obj.x = " +obj.x);  // prints Math.PI
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obj.y = 32;
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print("y = " + y);  // should print 32