Re: [PATCH v5 0/5] Create tests for the drm_rect functions

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On 4/18/23 20:01, Arthur Grillo wrote:
This patchset seeks to add unit tests for the rest of the functions on
the drm_rect.c.

The test coverage report generated by the gcov[1] tool states that this
set reaches 100% of coverage on the drm_rect.c file. This would be
very good for future development on the file.

If you want to see the coverage report, I uploaded on the link below:
https://grillo-0.github.io/coverage-reports/more-rect-tests/drivers/gpu/drm/drm_rect.c.gcov.html

Thanks for reviewing!

Best regards,
~Arthur Grillo

I just applied the series to drm/drm-misc (drm-misc-next).

Thanks for improving the tests!

Best Regards,
- Maíra Canal


---

v1->v2: https://lore.kernel.org/all/20230322140701.69852-1-arthurgrillo@xxxxxxxxxx/
- Create parameterized tests for drm_rect_intersect().
- Use .16 binary fixed point values on the drm_rect_calc_hscale() and
   drm_rect_calc_vscale() tests.
- Replace INT_MIN for 0 on the on the drm_rect_calc_hscale() and
   drm_rect_calc_vscale() tests.
- Assign nonzero values to the width and height parameters of the
   drm_rect_rotate() and drm_rect_rotate_inv() tests.
- Switch memcpy to a simple variable assignment on the drm_rect_rotate()
   and drm_rect_rotate_inv() tests.

v2->v3: https://lore.kernel.org/all/20230327133848.5250-1-arthurgrillo@xxxxxxxxxx/
- Change "x" to lowercase on the drm_rect_intersect() cases.
- Remove the option for no description on the drm_rect_intersect() cases.
- Add a test for rects with zero height and width on the
   drm_rect_intersect().
- Switch to parameterized tests for drm_rect_calc_hscale() and
   drm_rect_calc_vscale().
- Add a test for a dst drm_rect with zero width for
   drm_rect_calc_hscale() and zero height for drm_rect_calc_vscale().
- Place an "-" on the drm_rect_rotate case names to match the userspace.
- s/drm_rect_case_desc/drm_rect_rotate_case_desc/
- Improve the commit messages.

v3->v4: https://lore.kernel.org/all/20230404184158.26290-1-arthurgrillo@xxxxxxxxxx/
- Place parenthesis around .16 fixed point values before making it
   negative to avoid error when generating tests coverages.

v4->v5: https://lore.kernel.org/all/20230406115338.36228-1-arthurgrillo@xxxxxxxxxx/
- Use the same parameters for drm_rect_calc_hscale() and
   drm_rect_calc_vscale() by scaling both sides at the same time.
- Place nonzero values for .x1 and .y1 on the drm_rect_rotate() test
   cases.

---

[1]: https://gcc.gnu.org/onlinedocs/gcc/Gcov.html#Gcov

---

Arthur Grillo (5):
   drm/tests: Add test cases for drm_rect_intersect()
   drm/tests: Add test cases for drm_rect_calc_hscale()
   drm/tests: Add test cases for drm_rect_calc_vscale()
   drm/tests: Add test cases for drm_rect_rotate()
   drm/test: Add test cases for drm_rect_rotate_inv()

  drivers/gpu/drm/tests/drm_rect_test.c | 315 ++++++++++++++++++++++++++
  1 file changed, 315 insertions(+)




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