tests/os_atomic.cpp

   1 #include <darwintest.h>
   2 #include <os/atomic_private.h>
   3
   4 T_GLOBAL_META(
   5         T_META_RUN_CONCURRENTLY(true),
   6         T_META_CHECK_LEAKS(false)
   7         );
   8
   9 T_DECL(os_atomic, "Just to make sure things build at all in c++ mode")
  10 {
  11         os_atomic(int) i = 0;
  12         int old_i = 0;
  13         volatile int v_i = 0;
  14         int a, b;
  15
  16         T_ASSERT_EQ(os_atomic_inc_orig(&i, relaxed), 0, "atomic inc");
  17         T_ASSERT_EQ(os_atomic_cmpxchg(&i, 1, 0, relaxed), true, "os_atomic_cmpxchg");
  18         os_atomic_rmw_loop(&i, a, b, relaxed, {
  19                 b = a;
  20         });
  21
  22         T_ASSERT_EQ(os_atomic_inc_orig(&old_i, relaxed), 0, "atomic inc");
  23         T_ASSERT_EQ(os_atomic_cmpxchg(&old_i, 1, 0, relaxed), true, "os_atomic_cmpxchg");
  24         os_atomic_rmw_loop(&old_i, a, b, relaxed, {
  25                 b = a;
  26         });
  27
  28         T_ASSERT_EQ(os_atomic_inc_orig(&v_i, relaxed), 0, "atomic inc");
  29         T_ASSERT_EQ(os_atomic_cmpxchg(&v_i, 1, 0, relaxed), true, "os_atomic_cmpxchg");
  30         os_atomic_rmw_loop(&v_i, a, b, relaxed, {
  31                 b = a;
  32         });
  33 }