tests/commonlib/bsd/gcd-test.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <commonlib/bsd/gcd.h>
   4 #include <tests/test.h>
   5
   6 static void test_gcd(void **state)
   7 {
   8         assert_int_equal(gcd(17, 11), 1);
   9         assert_int_equal(gcd(64, 36), 4);
  10         assert_int_equal(gcd(90, 123), 3);
  11         assert_int_equal(gcd(65536, 339584), 128);
  12         assert_int_equal(gcd(1, 1), 1);
  13         assert_int_equal(gcd(1, 123), 1);
  14         assert_int_equal(gcd(123, 1), 1);
  15         assert_int_equal(gcd(1, UINT32_MAX), 1);
  16         assert_int_equal(gcd(UINT32_MAX, 1), 1);
  17         assert_int_equal(gcd(UINT32_MAX, UINT32_MAX), UINT32_MAX);
  18         assert_int_equal(gcd(1, UINT64_MAX), 1);
  19         assert_int_equal(gcd(UINT64_MAX, 1), 1);
  20         assert_int_equal(gcd(UINT64_MAX, UINT64_MAX), UINT64_MAX);
  21         assert_int_equal(gcd((uint64_t)UINT32_MAX + 1, UINT64_MAX / 2 + 1),
  22                          (uint64_t)UINT32_MAX + 1);
  23 }
  24
  25 int main(void)
  26 {
  27         const struct CMUnitTest tests[] = {
  28                 cmocka_unit_test(test_gcd),
  29         };
  30
  31         return cb_run_group_tests(tests, NULL, NULL);
  32 }