From 5c5a5182c94d07409fac8cb40b2cdab488c140ff Mon Sep 17 00:00:00 2001 From: Stjepan Glavina Date: Fri, 7 Apr 2017 17:28:55 +0200 Subject: Optimize AtomicBool::fetch_nand --- src/libcore/tests/atomic.rs | 15 ++++++++++++++- 1 file changed, 14 insertions(+), 1 deletion(-) (limited to 'src/libcore/tests') diff --git a/src/libcore/tests/atomic.rs b/src/libcore/tests/atomic.rs index b6bb5fddf4a..9babe24a985 100644 --- a/src/libcore/tests/atomic.rs +++ b/src/libcore/tests/atomic.rs @@ -24,10 +24,23 @@ fn bool_() { #[test] fn bool_and() { let a = AtomicBool::new(true); - assert_eq!(a.fetch_and(false, SeqCst),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); -- cgit 1.4.1-3-g733a5