use core::sync::atomic::Ordering::SeqCst; use core::sync::atomic::*; #[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); }