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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);
}
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