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Issue 733555 link

Starred by 2 users
Status: Assigned
Owner:
█ kavvaru@chromium.org
Last visit > 30 days ago
Cc:
toyoshim@chromium.org
Components:
EstimatedDays: ----
NextAction: ----
OS: Windows
Pri: 1
Type: Bug



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[Missing Tests]:Web MIDI: data loss on receiving continuous sysex on Chrome 58+ on Windows

Project Member Reported by kavvaru@chromium.org, Jun 15 2017 
Automated tests for the below commit have been missing.Would it be possible to add test coverage to avoid regressions in future?

CL: 
https://chromium.googlesource.com/chromium/src.git/+/1814e6af281cd1f00ddf0705c01e2484708b0e4d

Ref Bug: 
https://bugs.chromium.org/p/chromium/issues/detail?id=730647

Thank you!

Comment 1 by toyoshim@chromium.org, Jun 15 2017

Cc: toyoshim@chromium.org
Components: Blink>WebMIDI
Owner: kavvaru@chromium.org
This has a same difficulty with the issue 733553, and could be more difficult to catch.

I myself have a strong interest to test such problem over a faked device driver. But could not make it soon.

This time, I use a third party driver, loopmidi, to reproduce the problem (see  crbug.com/730647 ).

I may be able to write automated test for this specific case with the loopmidi.
But, for crbug.com/733553, we still need manual operations to reproduce the case.

If I could write a loopmidi like driver that have more functionalities such as faking device connection/disconnection, the test could be automated (but it's still be hard to run on our trybot infrastructures)
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