jdk/test/javax/sound/midi/MetaMessage/MetaMessageClone.java
changeset 41905 e8e5df013c6e
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41904:524d908e49ea 41905:e8e5df013c6e
       
     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 }