Insert parameterized test for the drm_rect_calc_vscale() to ensure correctness and prevent future regressions. Besides the test for the usual case, tests the exceptions. It uses the same struct from drm_rect_calc_hscale(). Signed-off-by: Arthur Grillo <arthurgrillo@xxxxxxxxxx> --- drivers/gpu/drm/tests/drm_rect_test.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/drivers/gpu/drm/tests/drm_rect_test.c b/drivers/gpu/drm/tests/drm_rect_test.c index aae682ad9ee1..fd89e62ad2cb 100644 --- a/drivers/gpu/drm/tests/drm_rect_test.c +++ b/drivers/gpu/drm/tests/drm_rect_test.c @@ -414,6 +414,17 @@ static void drm_test_rect_calc_hscale(struct kunit *test) KUNIT_EXPECT_EQ(test, scaling_factor, params->expected_scaling_factor); } +static void drm_test_rect_calc_vscale(struct kunit *test) +{ + const struct drm_rect_scale_case *params = test->param_value; + int scaling_factor; + + scaling_factor = drm_rect_calc_vscale(¶ms->src, ¶ms->dst, + params->min_range, params->max_range); + + KUNIT_EXPECT_EQ(test, scaling_factor, params->expected_scaling_factor); +} + static struct kunit_case drm_rect_tests[] = { KUNIT_CASE(drm_test_rect_clip_scaled_div_by_zero), KUNIT_CASE(drm_test_rect_clip_scaled_not_clipped), @@ -421,6 +432,7 @@ static struct kunit_case drm_rect_tests[] = { KUNIT_CASE(drm_test_rect_clip_scaled_signed_vs_unsigned), KUNIT_CASE_PARAM(drm_test_rect_intersect, drm_rect_intersect_gen_params), KUNIT_CASE_PARAM(drm_test_rect_calc_hscale, drm_rect_scale_gen_params), + KUNIT_CASE_PARAM(drm_test_rect_calc_vscale, drm_rect_scale_gen_params), { } }; -- 2.40.0