1 /*
   2  * Copyright (c) 2002, 2016, 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 import  javax.sound.midi.MetaMessage;
  25 
  26 /**
  27  * @test
  28  * @bug 4511796
  29  * @summary Check that MetaMessage.clone() works correctly
  30  */
  31 public class MetaMessageClone {
  32 
  33     private static void printMsg(MetaMessage msg, byte[] data) {
  34         System.out.println(""+msg.getLength()+" total bytes, type="+msg.getType()+", dataLength="+data.length);
  35     }
  36 
  37     private static void checkClone(MetaMessage msg) throws Exception {
  38         System.out.print("Original: ");
  39         byte[] msgData=msg.getData();
  40         printMsg(msg, msgData);
  41         MetaMessage msg2=(MetaMessage) msg.clone();
  42         byte[] msg2Data=msg2.getData();
  43         System.out.print("Clone:    ");
  44         printMsg(msg2, msg2Data);
  45 
  46         if (msg2.getLength()!=msg.getLength()
  47             || msg.getType()!=msg2.getType()
  48             || msgData.length!=msg2Data.length) {
  49                 throw new Exception("cloned MetaMessage is not equal.");
  50         }
  51         int max=Math.min(msgData.length, 10);
  52         for (int i=0; i<max; i++) {
  53             if (msgData[i]!=msg2Data[i]) {
  54                 throw new Exception("Cloned MetaMessage data is not equal.");
  55             }
  56         }
  57     }
  58 
  59     public static void main(String[] args) throws Exception {
  60         // let's create some MetaMessages and check them
  61         MetaMessage msg=new MetaMessage();
  62         String text="a textmarker";
  63         msg.setMessage(1, text.getBytes(), text.length());
  64         checkClone(msg);
  65         msg.setMessage(0x2E, new byte[0], 0);
  66         checkClone(msg);
  67         byte[] data=new byte[17000];
  68         for (int i=0; i<30; data[i]=(byte) (i++ & 0xFF));
  69         msg.setMessage(0x02, data, 80); checkClone(msg);
  70         msg.setMessage(0x02, data, 160); checkClone(msg);
  71         msg.setMessage(0x02, data, 400); checkClone(msg);
  72         msg.setMessage(0x02, data, 1000); checkClone(msg);
  73         msg.setMessage(0x02, data, 10000); checkClone(msg);
  74         msg.setMessage(0x02, data, 17000); checkClone(msg);
  75     }
  76 }