Unverified Commit 881e2a9c authored by Arthur Grillo's avatar Arthur Grillo Committed by Maíra Canal
Browse files

drm/tests: Add test cases for drm_rect_calc_vscale() 



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: default avatarArthur Grillo <arthurgrillo@riseup.net>
Reviewed-by: default avatarMaíra Canal <mcanal@igalia.com>
Signed-off-by: default avatarMaíra Canal <mairacanal@riseup.net>
Link: https://patchwork.freedesktop.org/patch/msgid/20230418230146.461129-4-arthurgrillo@riseup.net
parent 1f01f224

drivers/gpu/drm/tests/drm_rect_test.c

+12 −0
Original line number Diff line number Diff line
@@ -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(&params->src, &params->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),

	{ }

};