Code coverage statistics for OpenJDK

[Mani Sarkar]

And it can only get better with everyone's involvement. ;)

On Mon, Feb 2, 2015 at 12:52 PM, Richard Kolb <rjdkolb at gmail.com> wrote:

> Awesome results for a non tdd program!
>  On 1 Feb 2015 12:45, "Martijn Verburg" <martijnverburg at gmail.com> wrote:
>
> > Hi all,
> >
> > Recently, one of our Adopt OpenJDK incubator projects (for reference,
> these
> > projects are outside of OpenJDK proper, the wiki holds the full list)
> > managed to get some what we think are accurate code coverage stats for
> > OpenJDK (jdk9-dev) tests. Thanks to Jonathan Gibbons from code-tools
> > (jtreg/jcov) and Adopt's John Oliver for getting this out!
> >
> > I think this is potentially useful for the OpenJDK quality group to
> report
> > alongside the existing weekly tests passing that Balchandra kindly pushes
> > out.  It can also be useful to OpenJDK contributors to have a guide on
> > making a change -> writing a test -> seeing code coverage improve.
> >
> > Obviously we want to:
> >
> > * Make sure the numbers are correct.
> >
> > * Make it clear in the report that this does not represent how well
> OpenJDK
> > / Java is actually tested (internally Oracle and others run a far more
> > comprehensive test suite).
> >
> > Do people feel this is this a good idea? If so, who's the right
> > person/people to analyse our results and ensure we're using jtreg and
> jcov
> > correctly?
> >
> > Cheers,
> > Martijn
> >
>



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