test/script/basic/JDK-8011964.js

/*
 * Copyright (c) 2014, 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-8011964: need indexed access to externally-managed ByteBuffer
 *
 * @test
 * @run
 */


var ByteBuffer = Java.type("java.nio.ByteBuffer");
var buf = ByteBuffer.allocate(5);

var obj = {}
Object.setIndexedPropertiesToExternalArrayData(obj, buf);

obj[0] = 'A'.charCodeAt(0);
obj[1] = 'B'.charCodeAt(0);
obj[2] = 'C'.charCodeAt(0);
obj[3] = 'D'.charCodeAt(0);
obj[4] = 'E'.charCodeAt(0);

for (var i = 0; i < buf.capacity(); i++) {
    print("obj[" + i + "] = " + obj[i]);
    print("buf.get(" + i + ") = " + buf.get(i));
}

var arr = [];
Object.setIndexedPropertiesToExternalArrayData(arr, buf);
obj[0] = 'a'.charCodeAt(0);
obj[1] = 'b'.charCodeAt(0);
obj[2] = 'c'.charCodeAt(0);
obj[3] = 'd'.charCodeAt(0);
obj[4] = 'e'.charCodeAt(0);

for (var i in arr) {
    print("arr[" + i + "] = " + arr[i]);
    print("buf.get(" + i + ") = " + buf.get(i));
}