1// SPDX-License-Identifier: GPL-2.0
 2/*
 3 * Kunit test for drm_modes functions
 4 */
 5
 6#include <drm/drm_connector.h>
 7
 8#include <kunit/test.h>
 9
10struct drm_get_tv_mode_from_name_test {
11	const char *name;
12	enum drm_connector_tv_mode expected_mode;
13};
14
15#define TV_MODE_NAME(_name, _mode)		\
16	{					\
17		.name = _name,			\
18		.expected_mode = _mode,		\
19	}
20
21static void drm_test_get_tv_mode_from_name_valid(struct kunit *test)
22{
23	const struct drm_get_tv_mode_from_name_test *params = test->param_value;
24
25	KUNIT_EXPECT_EQ(test,
26			drm_get_tv_mode_from_name(params->name, strlen(params->name)),
27			params->expected_mode);
28}
29
30static const
31struct drm_get_tv_mode_from_name_test drm_get_tv_mode_from_name_valid_tests[] = {
32	TV_MODE_NAME("NTSC", DRM_MODE_TV_MODE_NTSC),
33	TV_MODE_NAME("NTSC-443", DRM_MODE_TV_MODE_NTSC_443),
34	TV_MODE_NAME("NTSC-J", DRM_MODE_TV_MODE_NTSC_J),
35	TV_MODE_NAME("PAL", DRM_MODE_TV_MODE_PAL),
36	TV_MODE_NAME("PAL-M", DRM_MODE_TV_MODE_PAL_M),
37	TV_MODE_NAME("PAL-N", DRM_MODE_TV_MODE_PAL_N),
38	TV_MODE_NAME("SECAM", DRM_MODE_TV_MODE_SECAM),
39};
40
41static void
42drm_get_tv_mode_from_name_valid_desc(const struct drm_get_tv_mode_from_name_test *t,
43				     char *desc)
44{
45	sprintf(desc, "%s", t->name);
46}
47
48KUNIT_ARRAY_PARAM(drm_get_tv_mode_from_name_valid,
49		  drm_get_tv_mode_from_name_valid_tests,
50		  drm_get_tv_mode_from_name_valid_desc);
51
52static void drm_test_get_tv_mode_from_name_truncated(struct kunit *test)
53{
54	const char *name = "NTS";
55	int ret;
56
57	ret = drm_get_tv_mode_from_name(name, strlen(name));
58	KUNIT_EXPECT_LT(test, ret, 0);
59};
60
61static struct kunit_case drm_get_tv_mode_from_name_tests[] = {
62	KUNIT_CASE_PARAM(drm_test_get_tv_mode_from_name_valid,
63			 drm_get_tv_mode_from_name_valid_gen_params),
64	KUNIT_CASE(drm_test_get_tv_mode_from_name_truncated),
65	{ }
66};
67
68static struct kunit_suite drm_get_tv_mode_from_name_test_suite = {
69	.name = "drm_get_tv_mode_from_name",
70	.test_cases = drm_get_tv_mode_from_name_tests,
71};
72
73kunit_test_suite(drm_get_tv_mode_from_name_test_suite);
74
75MODULE_AUTHOR("Maxime Ripard <maxime@cerno.tech>");
76MODULE_LICENSE("GPL");