src/test/ui/atomic-alignment.rs

   1 // run-pass
   2
   3 #![feature(cfg_target_has_atomic)]
   4 #![feature(integer_atomics)]
   5
   6 use std::mem::{align_of, size_of};
   7 use std::sync::atomic::*;
   8
   9 fn main() {
  10     #[cfg(target_has_atomic = "8")]
  11     assert_eq!(align_of::<AtomicBool>(), size_of::<AtomicBool>());
  12     #[cfg(target_has_atomic = "ptr")]
  13     assert_eq!(align_of::<AtomicPtr<u8>>(), size_of::<AtomicPtr<u8>>());
  14     #[cfg(target_has_atomic = "8")]
  15     assert_eq!(align_of::<AtomicU8>(), size_of::<AtomicU8>());
  16     #[cfg(target_has_atomic = "8")]
  17     assert_eq!(align_of::<AtomicI8>(), size_of::<AtomicI8>());
  18     #[cfg(target_has_atomic = "16")]
  19     assert_eq!(align_of::<AtomicU16>(), size_of::<AtomicU16>());
  20     #[cfg(target_has_atomic = "16")]
  21     assert_eq!(align_of::<AtomicI16>(), size_of::<AtomicI16>());
  22     #[cfg(target_has_atomic = "32")]
  23     assert_eq!(align_of::<AtomicU32>(), size_of::<AtomicU32>());
  24     #[cfg(target_has_atomic = "32")]
  25     assert_eq!(align_of::<AtomicI32>(), size_of::<AtomicI32>());
  26     #[cfg(target_has_atomic = "64")]
  27     assert_eq!(align_of::<AtomicU64>(), size_of::<AtomicU64>());
  28     #[cfg(target_has_atomic = "64")]
  29     assert_eq!(align_of::<AtomicI64>(), size_of::<AtomicI64>());
  30     #[cfg(target_has_atomic = "128")]
  31     assert_eq!(align_of::<AtomicU128>(), size_of::<AtomicU128>());
  32     #[cfg(target_has_atomic = "128")]
  33     assert_eq!(align_of::<AtomicI128>(), size_of::<AtomicI128>());
  34     #[cfg(target_has_atomic = "ptr")]
  35     assert_eq!(align_of::<AtomicUsize>(), size_of::<AtomicUsize>());
  36     #[cfg(target_has_atomic = "ptr")]
  37     assert_eq!(align_of::<AtomicIsize>(), size_of::<AtomicIsize>());
  38 }