tests/device/ddr4-test.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <device/dram/ddr4.h>
   4 #include <tests/test.h>
   5
   6 static void ddr4_speed_mhz_to_mts_test(void **state)
   7 {
   8         assert_int_equal(0, ddr4_speed_mhz_to_reported_mts(0));
   9         assert_int_equal(0, ddr4_speed_mhz_to_reported_mts(667));
  10
  11         assert_int_equal(1600, ddr4_speed_mhz_to_reported_mts(668));
  12         assert_int_equal(1600, ddr4_speed_mhz_to_reported_mts(800));
  13
  14         assert_int_equal(1866, ddr4_speed_mhz_to_reported_mts(801));
  15         assert_int_equal(1866, ddr4_speed_mhz_to_reported_mts(933));
  16         assert_int_equal(1866, ddr4_speed_mhz_to_reported_mts(934));
  17
  18         assert_int_equal(2133, ddr4_speed_mhz_to_reported_mts(1066));
  19         assert_int_equal(2133, ddr4_speed_mhz_to_reported_mts(1067));
  20
  21         assert_int_equal(2400, ddr4_speed_mhz_to_reported_mts(1200));
  22
  23         assert_int_equal(2666, ddr4_speed_mhz_to_reported_mts(1333));
  24
  25         assert_int_equal(2933, ddr4_speed_mhz_to_reported_mts(1466));
  26
  27         assert_int_equal(3200, ddr4_speed_mhz_to_reported_mts(1467));
  28         assert_int_equal(3200, ddr4_speed_mhz_to_reported_mts(1600));
  29
  30         assert_int_equal(0, ddr4_speed_mhz_to_reported_mts(1601));
  31         assert_int_equal(0, ddr4_speed_mhz_to_reported_mts(INT16_MAX));
  32 }
  33
  34 int main(void)
  35 {
  36         const struct CMUnitTest tests[] = {cmocka_unit_test(ddr4_speed_mhz_to_mts_test)};
  37
  38         return cb_run_group_tests(tests, NULL, NULL);
  39 }