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From "Nathan Beyer (JIRA)" <j...@apache.org>
Subject [jira] Assigned: (HARMONY-989) [classlib][sound] Some improvements/fix bugs in classes ShortMessage, MidiMessage, MetaMessage
Date Sat, 29 Jul 2006 22:25:14 GMT
     [ http://issues.apache.org/jira/browse/HARMONY-989?page=all ]

Nathan Beyer reassigned HARMONY-989:
------------------------------------

    Assignee: Nathan Beyer

> [classlib][sound] Some improvements/fix bugs in classes ShortMessage, MidiMessage, MetaMessage
> ----------------------------------------------------------------------------------------------
>
>                 Key: HARMONY-989
>                 URL: http://issues.apache.org/jira/browse/HARMONY-989
>             Project: Harmony
>          Issue Type: Improvement
>          Components: Classlib
>            Reporter: Evgeny S. Sidorenko
>         Assigned To: Nathan Beyer
>         Attachments: update.classes.patch.txt, update.tests.patch.txt
>
>
> I found new situation when this classes behave as not RI.
> I had the next test code (for example, I use MetaMessage here, but it is applicable for
other classes):
> import javax.sound.midi.MetaMessage;
> import javax.sound.midi.InvalidMidiDataException;
> import junit.framework.TestCase;
> public class MetaMessageTest extends TestCase {
>  static class MetaMessage1 extends MetaMessage {
>          MetaMessage1(byte[] data) {
>              super(data);
>          }
>      }
>  byte[] bt = new byte[] {1, 2, 3, 4};
>  MetaMessage1 meta = new MetaMessage(bt);
>  assertEquals(1, meta.getMessage()[0]);
>  ...
>  assertEquals(4, meta.getMessage()[3]);
>  bt[0] = 10;
>  ...
>  bt[3] = 40;
>  assertEquals(10, meta.getMessage()[0]);
>  ...
>  assertEquals(40, meta.getMessage()[3]);
> }
> I.e. when I change array 'bt', condition of class meta was changed in the RI! But in
my old implementation condition doesn't changed. So, this patch, update.classes.patch.txt,
correct this problem.
> And patch update.tests.patch.txt add this situation to the tests.

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