| use core::sync::atomic::*; |
| use core::sync::atomic::Ordering::SeqCst; |
| |
| #[test] |
| fn bool_() { |
| let a = AtomicBool::new(false); |
| assert_eq!(a.compare_and_swap(false, true, SeqCst), false); |
| assert_eq!(a.compare_and_swap(false, true, SeqCst), true); |
| |
| a.store(false, SeqCst); |
| assert_eq!(a.compare_and_swap(false, true, SeqCst), false); |
| } |
| |
| #[test] |
| fn bool_and() { |
| let a = AtomicBool::new(true); |
| assert_eq!(a.fetch_and(false, SeqCst), true); |
| assert_eq!(a.load(SeqCst),false); |
| } |
| |
| #[test] |
| fn bool_nand() { |
| let a = AtomicBool::new(false); |
| assert_eq!(a.fetch_nand(false, SeqCst), false); |
| assert_eq!(a.load(SeqCst), true); |
| assert_eq!(a.fetch_nand(false, SeqCst), true); |
| assert_eq!(a.load(SeqCst), true); |
| assert_eq!(a.fetch_nand(true, SeqCst), true); |
| assert_eq!(a.load(SeqCst), false); |
| assert_eq!(a.fetch_nand(true, SeqCst), false); |
| assert_eq!(a.load(SeqCst), true); |
| } |
| |
| #[test] |
| fn uint_and() { |
| let x = AtomicUsize::new(0xf731); |
| assert_eq!(x.fetch_and(0x137f, SeqCst), 0xf731); |
| assert_eq!(x.load(SeqCst), 0xf731 & 0x137f); |
| } |
| |
| #[test] |
| fn uint_nand() { |
| let x = AtomicUsize::new(0xf731); |
| assert_eq!(x.fetch_nand(0x137f, SeqCst), 0xf731); |
| assert_eq!(x.load(SeqCst), !(0xf731 & 0x137f)); |
| } |
| |
| #[test] |
| fn uint_or() { |
| let x = AtomicUsize::new(0xf731); |
| assert_eq!(x.fetch_or(0x137f, SeqCst), 0xf731); |
| assert_eq!(x.load(SeqCst), 0xf731 | 0x137f); |
| } |
| |
| #[test] |
| fn uint_xor() { |
| let x = AtomicUsize::new(0xf731); |
| assert_eq!(x.fetch_xor(0x137f, SeqCst), 0xf731); |
| assert_eq!(x.load(SeqCst), 0xf731 ^ 0x137f); |
| } |
| |
| #[test] |
| fn int_and() { |
| let x = AtomicIsize::new(0xf731); |
| assert_eq!(x.fetch_and(0x137f, SeqCst), 0xf731); |
| assert_eq!(x.load(SeqCst), 0xf731 & 0x137f); |
| } |
| |
| #[test] |
| fn int_nand() { |
| let x = AtomicIsize::new(0xf731); |
| assert_eq!(x.fetch_nand(0x137f, SeqCst), 0xf731); |
| assert_eq!(x.load(SeqCst), !(0xf731 & 0x137f)); |
| } |
| |
| #[test] |
| fn int_or() { |
| let x = AtomicIsize::new(0xf731); |
| assert_eq!(x.fetch_or(0x137f, SeqCst), 0xf731); |
| assert_eq!(x.load(SeqCst), 0xf731 | 0x137f); |
| } |
| |
| #[test] |
| fn int_xor() { |
| let x = AtomicIsize::new(0xf731); |
| assert_eq!(x.fetch_xor(0x137f, SeqCst), 0xf731); |
| assert_eq!(x.load(SeqCst), 0xf731 ^ 0x137f); |
| } |
| |
| static S_FALSE: AtomicBool = AtomicBool::new(false); |
| static S_TRUE: AtomicBool = AtomicBool::new(true); |
| static S_INT: AtomicIsize = AtomicIsize::new(0); |
| static S_UINT: AtomicUsize = AtomicUsize::new(0); |
| |
| #[test] |
| fn static_init() { |
| // Note that we're not really testing the mutability here but it's important |
| // on Android at the moment (#49775) |
| assert!(!S_FALSE.swap(true, SeqCst)); |
| assert!(S_TRUE.swap(false, SeqCst)); |
| assert!(S_INT.fetch_add(1, SeqCst) == 0); |
| assert!(S_UINT.fetch_add(1, SeqCst) == 0); |
| } |