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ethan (3163)

ethan
  reversethis-{ed. ... rap.nov.olissat}

Being a 25-year old chap living in the western-most town of Germany. Stuying communication and information science and being a huge fan of XS-related things.

Journal of ethan (3163)

Saturday January 10, 2004
08:16 AM

Writing tests

[ #16747 ]

Continuing Device::CDROM, it's soon time for a first release. I am adding the documentation right now.

What really gives me headache are the tests. How would you test a module that performs ioctls to control the CDROM drive?
What I can do is querying the capabilities of the drive and then do those things that it should be able to do. Like when CDC_OPEN_TRAY and CDC_CLOSE_TRAY are set, I can open and close the drive and check the return value of those commands.

Harder are those things that require a disc inside the drive. Also, for a thorough test the user would need to have a handful of different kind of discs: an audio CD, a data CD, one with multisession etc. Maybe I can divide the tests into those that can run non-interactively (those aren't very many) and all the others that need human interaction. Similar to what Term::ReadKey does.

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