[cmake-developers] CTestCoverageCollectGCOV and ctest_submit(CDASH_UPLOAD)

[Bill Hoffman]

On 2/23/2015 9:47 AM, Brad King wrote:
>> Specifically I couldn't tell from the existing documentation what new
>> >use cases or features the new implementations support.
> Currently it is just a different implementation of the same use cases.
> However, logic for processing the gcov output moves from CTest to CDash.
> The ctest_submit(CDASH_UPLOAD) command doesn't just upload files, it
> contacts a new CDash API to send files with (json) metadata.  Over
> time this will allow more coverage types to be added without having to
> modify CTest, and CDash will be able to process tool-specific coverage
> output and display it in a custom manner.  Previously CTest had to
> mangle the output of various tools into the Coverage.xml format that
> CDash expects.
In addition, this feature now allows gcov branch coverage to be 
displayed on CDash (although you need a very recent CDash for that). 
The current CTest coverage support does not handle branch coverage.

-Bill