Hi,
On Mon, Dec 28, 2015 at 3:32 AM, Ken Takata <[email protected]> wrote:
> Hi Yegappan,
>
> 2015/12/28 Mon 12:45:32 UTC+9 [email protected] wrote:
>> Hi all,
>>
>> Just in case anyone is looking for getting the code coverage information
>> for Vim, I used the following steps to get this.
>>
>> 1. Modify src/Makefile and add the following two lines:
>>
>> CFLAGS=-g -O0 -fprofile-arcs -ftest-coverage
>> LDFLAGS=--coverage
>>
>> 2. Run configure and build Vim as usual.
>> 3. Run "make test" to run the unit tests.
>> 4. The code coverage information will be generated in the src/objects
>> directory.
>> 5. Use the following command to get the code coverage information for a
>> particular source file:
>>
>> $ cd src
>> $ gcov -o objects <filename.c>
>>
>> The code coverage information will be in the <filename.c>.gcov file.
>
> If you have installed lcov, you may want to try the following as step 5:
>
> $ cd src
> $ lcov -c -d objects/ -b . -o coverage.info
> $ genthml coverage.info -o output/
>
> You can see the results on a web browser opening output/index.html.
>
Thanks for the suggestion to use lcov. The new set of instructions for
getting the code
coverage using lcov is below.
1. Edit src/Makefile and add the following two lines:
CFLAGS=-g -O0 -fprofile-arcs -ftest-coverage
LDFLAGS=--coverage
2. Run configure and build Vim as usual.
3. Generate the baseline code coverage information:
$ cd src
$ lcov -c -i -b . -d objects -o objects/coverage_base.info
3. Run "make test" to execute the Vim functional tests.
4. Generate the code coverage information from the tests:
$ lcov -c -b . -d objects/ -o objects/coverage_test.info
5. Combine the baseline and test code coverage data:
$ lcov -a objects/coverage_base.info -a
objects/coverage_test.info -o objects/coverage_total.info
4. Process the test coverage data and generate a report in html:
$ genhtml objects/coverage_total.info -o objects
5. Open the objects/index.html file in a web browser to view the
coverage information.
Regards,
Yegappan
>
> We can also check the coverage on the Web:
> https://coveralls.io/github/vim/vim
>
> Regards,
> Ken Takata
>
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