1 /*
   2  * Copyright (c) 2014, 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  */
  23 
  24 /**
  25  * JDK-8011964: need indexed access to externally-managed ByteBuffer
  26  *
  27  * @test
  28  * @run
  29  */
  30 
  31 
  32 var ByteBuffer = Java.type("java.nio.ByteBuffer");
  33 var buf = ByteBuffer.allocate(5);
  34 
  35 var obj = {}
  36 Object.setIndexedPropertiesToExternalArrayData(obj, buf);
  37 
  38 obj[0] = 'A'.charCodeAt(0);
  39 obj[1] = 'B'.charCodeAt(0);
  40 obj[2] = 'C'.charCodeAt(0);
  41 obj[3] = 'D'.charCodeAt(0);
  42 obj[4] = 'E'.charCodeAt(0);
  43 
  44 for (var i = 0; i < buf.capacity(); i++) {
  45     print("obj[" + i + "] = " + obj[i]);
  46     print("buf.get(" + i + ") = " + buf.get(i));
  47 }
  48 
  49 var arr = [];
  50 Object.setIndexedPropertiesToExternalArrayData(arr, buf);
  51 obj[0] = 'a'.charCodeAt(0);
  52 obj[1] = 'b'.charCodeAt(0);
  53 obj[2] = 'c'.charCodeAt(0);
  54 obj[3] = 'd'.charCodeAt(0);
  55 obj[4] = 'e'.charCodeAt(0);
  56 
  57 for (var i in arr) {
  58     print("arr[" + i + "] = " + arr[i]);
  59     print("buf.get(" + i + ") = " + buf.get(i));
  60 }