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Add tests for Atomic*::fetch_{min,max}

This commit is contained in:
bjorn3 2021-02-14 11:31:33 +01:00
parent 3158857297
commit d1a541e342
1 changed files with 36 additions and 0 deletions
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36
library/core/tests/atomic.rs
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@ -59,6 +59,24 @@ fn uint_xor() {
assert_eq!(x.load(SeqCst), 0xf731 ^ 0x137f);
}
#[test]
fn uint_min() {
let x = AtomicUsize::new(0xf731);
assert_eq!(x.fetch_min(0x137f, SeqCst), 0xf731);
assert_eq!(x.load(SeqCst), 0x137f);
assert_eq!(x.fetch_min(0xf731, SeqCst), 0x137f);
assert_eq!(x.load(SeqCst), 0x137f);
}
#[test]
fn uint_max() {
let x = AtomicUsize::new(0x137f);
assert_eq!(x.fetch_max(0xf731, SeqCst), 0x137f);
assert_eq!(x.load(SeqCst), 0xf731);
assert_eq!(x.fetch_max(0x137f, SeqCst), 0xf731);
assert_eq!(x.load(SeqCst), 0xf731);
}
#[test]
fn int_and() {
let x = AtomicIsize::new(0xf731);
@ -87,6 +105,24 @@ fn int_xor() {
assert_eq!(x.load(SeqCst), 0xf731 ^ 0x137f);
}
#[test]
fn int_min() {
let x = AtomicIsize::new(0xf731);
assert_eq!(x.fetch_min(0x137f, SeqCst), 0xf731);
assert_eq!(x.load(SeqCst), 0x137f);
assert_eq!(x.fetch_min(0xf731, SeqCst), 0x137f);
assert_eq!(x.load(SeqCst), 0x137f);
}
#[test]
fn int_max() {
let x = AtomicIsize::new(0x137f);
assert_eq!(x.fetch_max(0xf731, SeqCst), 0x137f);
assert_eq!(x.load(SeqCst), 0xf731);
assert_eq!(x.fetch_max(0x137f, SeqCst), 0xf731);
assert_eq!(x.load(SeqCst), 0xf731);
}
static S_FALSE: AtomicBool = AtomicBool::new(false);
static S_TRUE: AtomicBool = AtomicBool::new(true);
static S_INT: AtomicIsize = AtomicIsize::new(0);