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Diffstat (limited to 'src/libcore/tests/atomic.rs')
| -rw-r--r-- | src/libcore/tests/atomic.rs | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/src/libcore/tests/atomic.rs b/src/libcore/tests/atomic.rs new file mode 100644 index 00000000000..b6bb5fddf4a --- /dev/null +++ b/src/libcore/tests/atomic.rs @@ -0,0 +1,84 @@ +// Copyright 2014 The Rust Project Developers. See the COPYRIGHT +// file at the top-level directory of this distribution and at +// http://rust-lang.org/COPYRIGHT. +// +// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or +// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license +// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + +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 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_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_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() { + assert!(!S_FALSE.load(SeqCst)); + assert!(S_TRUE.load(SeqCst)); + assert!(S_INT.load(SeqCst) == 0); + assert!(S_UINT.load(SeqCst) == 0); +} |
