drivers/gpu/drm/tests/drm_connector_test.c

   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
  10 struct 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
  21 static 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
  30 static const
  31 struct 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
  41 static void
  42 drm_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
  48 KUNIT_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
  52 static 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
  61 static 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
  68 static 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
  73 kunit_test_suite(drm_get_tv_mode_from_name_test_suite);
  74
  75 MODULE_AUTHOR("Maxime Ripard <[email protected]>");
  76 MODULE_LICENSE("GPL");