RFR: 8074211: javax.sound.midi: Error with send System Exclusive messages of different length [v3]

[Alec Su]

On Tue, 7 Nov 2023 16:17:19 GMT, Alec Su <duke at openjdk.org> wrote:

>> The test is useful since that is the only test that touches the code path when the buffer for the midi message is reused and the bug can be reproduced. at least it doesn't crash.
>
> Actually I noticed the bug when I was working on https://github.com/openjdk/jdk/pull/16477. The testcase I added in the PR also triggered the bug. However, the testcase crashes JVM before triggering the bug, so I use another testcase for this PR.
> 
> The test case sends the folloing three pieces of sysex message
> 
> F0 7D 01 02
> F7 03 04
> F7 05 06 07 F7
> 
> 
> The expected message received should be the following
> 
> F0 7D 01 02 03 04 05 06 07 F7
> 
> 
> But the acual message received is
> 
> F0 7D 01 02 03 04 01 02 05 06 07 F7
> 
> 
> Therefore, I'm not sure whether it's better to remove the testcase in this PR or keep it.

I removed the testcase and reuse the testcase added in #16477.

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PR Review Comment: https://git.openjdk.org/jdk/pull/16399#discussion_r1394451199