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authorValentin Popov <valentin@popov.link>2024-07-19 15:37:58 +0300
committerValentin Popov <valentin@popov.link>2024-07-19 15:37:58 +0300
commita990de90fe41456a23e58bd087d2f107d321f3a1 (patch)
tree15afc392522a9e85dc3332235e311b7d39352ea9 /vendor/portable-atomic/src/tests/helper.rs
parent3d48cd3f81164bbfc1a755dc1d4a9a02f98c8ddd (diff)
downloadfparkan-a990de90fe41456a23e58bd087d2f107d321f3a1.tar.xz
fparkan-a990de90fe41456a23e58bd087d2f107d321f3a1.zip
Deleted vendor folder
Diffstat (limited to 'vendor/portable-atomic/src/tests/helper.rs')
-rw-r--r--vendor/portable-atomic/src/tests/helper.rs2420
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diff --git a/vendor/portable-atomic/src/tests/helper.rs b/vendor/portable-atomic/src/tests/helper.rs
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--- a/vendor/portable-atomic/src/tests/helper.rs
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@@ -1,2420 +0,0 @@
-// SPDX-License-Identifier: Apache-2.0 OR MIT
-
-#![allow(unused_macros)]
-
-use core::sync::atomic::Ordering;
-
-macro_rules! __test_atomic_common {
- ($atomic_type:ty, $value_type:ty) => {
- #[test]
- fn assert_auto_traits() {
- fn _assert<T: Send + Sync + Unpin + std::panic::UnwindSafe>() {}
- _assert::<$atomic_type>();
- }
- #[test]
- fn alignment() {
- // https://github.com/rust-lang/rust/blob/1.70.0/library/core/tests/atomic.rs#L250
- assert_eq!(core::mem::align_of::<$atomic_type>(), core::mem::size_of::<$atomic_type>());
- assert_eq!(core::mem::size_of::<$atomic_type>(), core::mem::size_of::<$value_type>());
- }
- #[test]
- fn is_lock_free() {
- const IS_ALWAYS_LOCK_FREE: bool = <$atomic_type>::is_always_lock_free();
- assert_eq!(IS_ALWAYS_LOCK_FREE, <$atomic_type>::is_always_lock_free());
- let is_lock_free = <$atomic_type>::is_lock_free();
- if IS_ALWAYS_LOCK_FREE {
- // If is_always_lock_free is true, then is_lock_free must always be true.
- assert!(is_lock_free);
- }
- }
- };
-}
-macro_rules! __test_atomic_pub_common {
- ($atomic_type:ty, $value_type:ty) => {
- #[test]
- fn assert_ref_unwind_safe() {
- #[cfg(not(all(portable_atomic_no_core_unwind_safe, not(feature = "std"))))]
- static_assertions::assert_impl_all!($atomic_type: std::panic::RefUnwindSafe);
- #[cfg(all(portable_atomic_no_core_unwind_safe, not(feature = "std")))]
- static_assertions::assert_not_impl_all!($atomic_type: std::panic::RefUnwindSafe);
- }
- };
-}
-
-macro_rules! __test_atomic_int_load_store {
- ($atomic_type:ty, $int_type:ident, single_thread) => {
- __test_atomic_common!($atomic_type, $int_type);
- use crate::tests::helper::*;
- #[test]
- fn accessor() {
- let mut a = <$atomic_type>::new(10);
- assert_eq!(*a.get_mut(), 10);
- *a.get_mut() = 5;
- assert_eq!(a.as_ptr() as *const (), &a as *const _ as *const ());
- assert_eq!(a.into_inner(), 5);
- }
- // https://bugs.llvm.org/show_bug.cgi?id=37061
- #[test]
- fn static_load_only() {
- static VAR: $atomic_type = <$atomic_type>::new(10);
- for &order in &test_helper::LOAD_ORDERINGS {
- assert_eq!(VAR.load(order), 10);
- }
- }
- #[test]
- fn load_store() {
- static VAR: $atomic_type = <$atomic_type>::new(10);
- test_load_ordering(|order| VAR.load(order));
- test_store_ordering(|order| VAR.store(10, order));
- for (&load_order, &store_order) in
- test_helper::LOAD_ORDERINGS.iter().zip(&test_helper::STORE_ORDERINGS)
- {
- assert_eq!(VAR.load(load_order), 10);
- VAR.store(5, store_order);
- assert_eq!(VAR.load(load_order), 5);
- VAR.store(10, store_order);
- let a = <$atomic_type>::new(1);
- assert_eq!(a.load(load_order), 1);
- a.store(2, store_order);
- assert_eq!(a.load(load_order), 2);
- }
- }
- };
- ($atomic_type:ty, $int_type:ident) => {
- __test_atomic_int_load_store!($atomic_type, $int_type, single_thread);
- use crossbeam_utils::thread;
- use std::{collections::BTreeSet, vec, vec::Vec};
- #[test]
- fn stress_load_store() {
- let (iterations, threads) = stress_test_config();
- let data1 = (0..iterations).map(|_| fastrand::$int_type(..)).collect::<Vec<_>>();
- let set = data1.iter().copied().collect::<BTreeSet<_>>();
- let a = <$atomic_type>::new(data1[fastrand::usize(0..iterations)]);
- let now = &std::time::Instant::now();
- thread::scope(|s| {
- for _ in 0..threads {
- s.spawn(|_| {
- let now = *now;
- for i in 0..iterations {
- a.store(data1[i], rand_store_ordering());
- }
- std::eprintln!("store end={:?}", now.elapsed());
- });
- s.spawn(|_| {
- let now = *now;
- let mut v = vec![0; iterations];
- for i in 0..iterations {
- v[i] = a.load(rand_load_ordering());
- }
- std::eprintln!("load end={:?}", now.elapsed());
- for v in v {
- assert!(set.contains(&v), "v={}", v);
- }
- });
- }
- })
- .unwrap();
- }
- };
-}
-macro_rules! __test_atomic_float_load_store {
- ($atomic_type:ty, $float_type:ident, single_thread) => {
- __test_atomic_common!($atomic_type, $float_type);
- use crate::tests::helper::*;
- #[test]
- fn accessor() {
- let mut a = <$atomic_type>::new(10.0);
- assert_eq!(*a.get_mut(), 10.0);
- *a.get_mut() = 5.0;
- assert_eq!(a.as_ptr() as *const (), &a as *const _ as *const ());
- assert_eq!(a.into_inner(), 5.0);
- }
- // https://bugs.llvm.org/show_bug.cgi?id=37061
- #[test]
- fn static_load_only() {
- static VAR: $atomic_type = <$atomic_type>::new(10.0);
- for &order in &test_helper::LOAD_ORDERINGS {
- assert_eq!(VAR.load(order), 10.0);
- }
- }
- #[test]
- fn load_store() {
- static VAR: $atomic_type = <$atomic_type>::new(10.0);
- test_load_ordering(|order| VAR.load(order));
- test_store_ordering(|order| VAR.store(10.0, order));
- for (&load_order, &store_order) in
- test_helper::LOAD_ORDERINGS.iter().zip(&test_helper::STORE_ORDERINGS)
- {
- assert_eq!(VAR.load(load_order), 10.0);
- VAR.store(5.0, store_order);
- assert_eq!(VAR.load(load_order), 5.0);
- VAR.store(10.0, store_order);
- let a = <$atomic_type>::new(1.0);
- assert_eq!(a.load(load_order), 1.0);
- a.store(2.0, store_order);
- assert_eq!(a.load(load_order), 2.0);
- }
- }
- };
- ($atomic_type:ty, $float_type:ident) => {
- __test_atomic_float_load_store!($atomic_type, $float_type, single_thread);
- // TODO: multi thread
- };
-}
-macro_rules! __test_atomic_bool_load_store {
- ($atomic_type:ty, single_thread) => {
- __test_atomic_common!($atomic_type, bool);
- use crate::tests::helper::*;
- #[test]
- fn accessor() {
- let mut a = <$atomic_type>::new(false);
- assert_eq!(*a.get_mut(), false);
- *a.get_mut() = true;
- assert_eq!(a.as_ptr() as *const (), &a as *const _ as *const ());
- assert_eq!(a.into_inner(), true);
- }
- // https://bugs.llvm.org/show_bug.cgi?id=37061
- #[test]
- fn static_load_only() {
- static VAR: $atomic_type = <$atomic_type>::new(false);
- for &order in &test_helper::LOAD_ORDERINGS {
- assert_eq!(VAR.load(order), false);
- }
- }
- #[test]
- fn load_store() {
- static VAR: $atomic_type = <$atomic_type>::new(false);
- test_load_ordering(|order| VAR.load(order));
- test_store_ordering(|order| VAR.store(false, order));
- for (&load_order, &store_order) in
- test_helper::LOAD_ORDERINGS.iter().zip(&test_helper::STORE_ORDERINGS)
- {
- assert_eq!(VAR.load(load_order), false);
- VAR.store(true, store_order);
- assert_eq!(VAR.load(load_order), true);
- VAR.store(false, store_order);
- let a = <$atomic_type>::new(true);
- assert_eq!(a.load(load_order), true);
- a.store(false, store_order);
- assert_eq!(a.load(load_order), false);
- }
- }
- };
- ($atomic_type:ty) => {
- __test_atomic_bool_load_store!($atomic_type, single_thread);
- // TODO: multi thread
- };
-}
-macro_rules! __test_atomic_ptr_load_store {
- ($atomic_type:ty, single_thread) => {
- __test_atomic_common!($atomic_type, *mut u8);
- use crate::tests::helper::*;
- use std::ptr;
- #[test]
- fn accessor() {
- let mut v = 1;
- let mut a = <$atomic_type>::new(ptr::null_mut());
- assert!(a.get_mut().is_null());
- *a.get_mut() = &mut v;
- assert_eq!(a.as_ptr() as *const (), &a as *const _ as *const ());
- assert!(!a.into_inner().is_null());
- }
- // https://bugs.llvm.org/show_bug.cgi?id=37061
- #[test]
- fn static_load_only() {
- static VAR: $atomic_type = <$atomic_type>::new(ptr::null_mut());
- for &order in &test_helper::LOAD_ORDERINGS {
- assert_eq!(VAR.load(order), ptr::null_mut());
- }
- }
- #[test]
- fn load_store() {
- static VAR: $atomic_type = <$atomic_type>::new(ptr::null_mut());
- test_load_ordering(|order| VAR.load(order));
- test_store_ordering(|order| VAR.store(ptr::null_mut(), order));
- let mut v = 1_u8;
- let p = &mut v as *mut u8;
- for (&load_order, &store_order) in
- test_helper::LOAD_ORDERINGS.iter().zip(&test_helper::STORE_ORDERINGS)
- {
- assert_eq!(VAR.load(load_order), ptr::null_mut());
- VAR.store(p, store_order);
- assert_eq!(VAR.load(load_order), p);
- VAR.store(ptr::null_mut(), store_order);
- let a = <$atomic_type>::new(p);
- assert_eq!(a.load(load_order), p);
- a.store(ptr::null_mut(), store_order);
- assert_eq!(a.load(load_order), ptr::null_mut());
- }
- }
- };
- ($atomic_type:ty) => {
- __test_atomic_ptr_load_store!($atomic_type, single_thread);
- // TODO: multi thread
- };
-}
-
-macro_rules! __test_atomic_int {
- ($atomic_type:ty, $int_type:ident, single_thread) => {
- use core::$int_type;
- #[test]
- fn swap() {
- let a = <$atomic_type>::new(5);
- test_swap_ordering(|order| a.swap(5, order));
- for &order in &test_helper::SWAP_ORDERINGS {
- assert_eq!(a.swap(10, order), 5);
- assert_eq!(a.swap(5, order), 10);
- }
- }
- #[test]
- fn compare_exchange() {
- let a = <$atomic_type>::new(5);
- test_compare_exchange_ordering(|success, failure| {
- a.compare_exchange(5, 5, success, failure)
- });
- for &(success, failure) in &test_helper::COMPARE_EXCHANGE_ORDERINGS {
- let a = <$atomic_type>::new(5);
- assert_eq!(a.compare_exchange(5, 10, success, failure), Ok(5));
- assert_eq!(a.load(Ordering::Relaxed), 10);
- assert_eq!(a.compare_exchange(6, 12, success, failure), Err(10));
- assert_eq!(a.load(Ordering::Relaxed), 10);
- }
- }
- #[test]
- fn compare_exchange_weak() {
- let a = <$atomic_type>::new(4);
- test_compare_exchange_ordering(|success, failure| {
- a.compare_exchange_weak(4, 4, success, failure)
- });
- for &(success, failure) in &test_helper::COMPARE_EXCHANGE_ORDERINGS {
- let a = <$atomic_type>::new(4);
- assert_eq!(a.compare_exchange_weak(6, 8, success, failure), Err(4));
- let mut old = a.load(Ordering::Relaxed);
- loop {
- let new = old * 2;
- match a.compare_exchange_weak(old, new, success, failure) {
- Ok(_) => break,
- Err(x) => old = x,
- }
- }
- assert_eq!(a.load(Ordering::Relaxed), 8);
- }
- }
- #[test]
- fn fetch_add() {
- let a = <$atomic_type>::new(0);
- test_swap_ordering(|order| a.fetch_add(0, order));
- for &order in &test_helper::SWAP_ORDERINGS {
- let a = <$atomic_type>::new(0);
- assert_eq!(a.fetch_add(10, order), 0);
- assert_eq!(a.load(Ordering::Relaxed), 10);
- let a = <$atomic_type>::new($int_type::MAX);
- assert_eq!(a.fetch_add(1, order), $int_type::MAX);
- assert_eq!(a.load(Ordering::Relaxed), $int_type::MAX.wrapping_add(1));
- }
- }
- #[test]
- fn add() {
- let a = <$atomic_type>::new(0);
- test_swap_ordering(|order| a.add(0, order));
- for &order in &test_helper::SWAP_ORDERINGS {
- let a = <$atomic_type>::new(0);
- a.add(10, order);
- assert_eq!(a.load(Ordering::Relaxed), 10);
- let a = <$atomic_type>::new($int_type::MAX);
- a.add(1, order);
- assert_eq!(a.load(Ordering::Relaxed), $int_type::MAX.wrapping_add(1));
- }
- }
- #[test]
- fn fetch_sub() {
- let a = <$atomic_type>::new(20);
- test_swap_ordering(|order| a.fetch_sub(0, order));
- for &order in &test_helper::SWAP_ORDERINGS {
- let a = <$atomic_type>::new(20);
- assert_eq!(a.fetch_sub(10, order), 20);
- assert_eq!(a.load(Ordering::Relaxed), 10);
- let a = <$atomic_type>::new($int_type::MIN);
- assert_eq!(a.fetch_sub(1, order), $int_type::MIN);
- assert_eq!(a.load(Ordering::Relaxed), $int_type::MIN.wrapping_sub(1));
- }
- }
- #[test]
- fn sub() {
- let a = <$atomic_type>::new(20);
- test_swap_ordering(|order| a.sub(0, order));
- for &order in &test_helper::SWAP_ORDERINGS {
- let a = <$atomic_type>::new(20);
- a.sub(10, order);
- assert_eq!(a.load(Ordering::Relaxed), 10);
- let a = <$atomic_type>::new($int_type::MIN);
- a.sub(1, order);
- assert_eq!(a.load(Ordering::Relaxed), $int_type::MIN.wrapping_sub(1));
- }
- }
- #[test]
- fn fetch_and() {
- let a = <$atomic_type>::new(0b101101);
- test_swap_ordering(|order| a.fetch_and(0b101101, order));
- for &order in &test_helper::SWAP_ORDERINGS {
- let a = <$atomic_type>::new(0b101101);
- assert_eq!(a.fetch_and(0b110011, order), 0b101101);
- assert_eq!(a.load(Ordering::Relaxed), 0b100001);
- }
- }
- #[test]
- fn and() {
- let a = <$atomic_type>::new(0b101101);
- test_swap_ordering(|order| a.and(0b101101, order));
- for &order in &test_helper::SWAP_ORDERINGS {
- let a = <$atomic_type>::new(0b101101);
- a.and(0b110011, order);
- assert_eq!(a.load(Ordering::Relaxed), 0b100001);
- }
- }
- #[test]
- fn fetch_nand() {
- let a = <$atomic_type>::new(0x13);
- test_swap_ordering(|order| a.fetch_nand(0x31, order));
- for &order in &test_helper::SWAP_ORDERINGS {
- let a = <$atomic_type>::new(0x13);
- assert_eq!(a.fetch_nand(0x31, order), 0x13);
- assert_eq!(a.load(Ordering::Relaxed), !(0x13 & 0x31));
- }
- }
- #[test]
- fn fetch_or() {
- let a = <$atomic_type>::new(0b101101);
- test_swap_ordering(|order| a.fetch_or(0, order));
- for &order in &test_helper::SWAP_ORDERINGS {
- let a = <$atomic_type>::new(0b101101);
- assert_eq!(a.fetch_or(0b110011, order), 0b101101);
- assert_eq!(a.load(Ordering::Relaxed), 0b111111);
- }
- }
- #[test]
- fn or() {
- let a = <$atomic_type>::new(0b101101);
- test_swap_ordering(|order| a.or(0, order));
- for &order in &test_helper::SWAP_ORDERINGS {
- let a = <$atomic_type>::new(0b101101);
- a.or(0b110011, order);
- assert_eq!(a.load(Ordering::Relaxed), 0b111111);
- }
- }
- #[test]
- fn fetch_xor() {
- let a = <$atomic_type>::new(0b101101);
- test_swap_ordering(|order| a.fetch_xor(0, order));
- for &order in &test_helper::SWAP_ORDERINGS {
- let a = <$atomic_type>::new(0b101101);
- assert_eq!(a.fetch_xor(0b110011, order), 0b101101);
- assert_eq!(a.load(Ordering::Relaxed), 0b011110);
- }
- }
- #[test]
- fn xor() {
- let a = <$atomic_type>::new(0b101101);
- test_swap_ordering(|order| a.xor(0, order));
- for &order in &test_helper::SWAP_ORDERINGS {
- let a = <$atomic_type>::new(0b101101);
- a.xor(0b110011, order);
- assert_eq!(a.load(Ordering::Relaxed), 0b011110);
- }
- }
- #[test]
- fn fetch_max() {
- let a = <$atomic_type>::new(23);
- test_swap_ordering(|order| a.fetch_max(23, order));
- for &order in &test_helper::SWAP_ORDERINGS {
- let a = <$atomic_type>::new(23);
- assert_eq!(a.fetch_max(22, order), 23);
- assert_eq!(a.load(Ordering::Relaxed), 23);
- assert_eq!(a.fetch_max(24, order), 23);
- assert_eq!(a.load(Ordering::Relaxed), 24);
- let a = <$atomic_type>::new(0);
- assert_eq!(a.fetch_max(1, order), 0);
- assert_eq!(a.load(Ordering::Relaxed), 1);
- assert_eq!(a.fetch_max(0, order), 1);
- assert_eq!(a.load(Ordering::Relaxed), 1);
- let a = <$atomic_type>::new(!0);
- assert_eq!(a.fetch_max(0, order), !0);
- assert_eq!(a.load(Ordering::Relaxed), core::cmp::max(!0, 0));
- }
- }
- #[test]
- fn fetch_min() {
- let a = <$atomic_type>::new(23);
- test_swap_ordering(|order| a.fetch_min(23, order));
- for &order in &test_helper::SWAP_ORDERINGS {
- let a = <$atomic_type>::new(23);
- assert_eq!(a.fetch_min(24, order), 23);
- assert_eq!(a.load(Ordering::Relaxed), 23);
- assert_eq!(a.fetch_min(22, order), 23);
- assert_eq!(a.load(Ordering::Relaxed), 22);
- let a = <$atomic_type>::new(1);
- assert_eq!(a.fetch_min(0, order), 1);
- assert_eq!(a.load(Ordering::Relaxed), 0);
- assert_eq!(a.fetch_min(1, order), 0);
- assert_eq!(a.load(Ordering::Relaxed), 0);
- let a = <$atomic_type>::new(!0);
- assert_eq!(a.fetch_min(0, order), !0);
- assert_eq!(a.load(Ordering::Relaxed), core::cmp::min(!0, 0));
- }
- }
- #[test]
- fn fetch_not() {
- let a = <$atomic_type>::new(1);
- test_swap_ordering(|order| a.fetch_not(order));
- for &order in &test_helper::SWAP_ORDERINGS {
- let a = <$atomic_type>::new(1);
- assert_eq!(a.fetch_not(order), 1);
- assert_eq!(a.load(Ordering::Relaxed), !1);
- }
- }
- #[test]
- fn not() {
- let a = <$atomic_type>::new(1);
- test_swap_ordering(|order| a.not(order));
- for &order in &test_helper::SWAP_ORDERINGS {
- let a = <$atomic_type>::new(1);
- a.not(order);
- assert_eq!(a.load(Ordering::Relaxed), !1);
- }
- }
- #[test]
- fn fetch_neg() {
- let a = <$atomic_type>::new(5);
- test_swap_ordering(|order| a.fetch_neg(order));
- for &order in &test_helper::SWAP_ORDERINGS {
- let a = <$atomic_type>::new(5);
- assert_eq!(a.fetch_neg(order), 5);
- assert_eq!(a.load(Ordering::Relaxed), <$int_type>::wrapping_neg(5));
- assert_eq!(a.fetch_neg(order), <$int_type>::wrapping_neg(5));
- assert_eq!(a.load(Ordering::Relaxed), 5);
- let a = <$atomic_type>::new(<$int_type>::MIN);
- assert_eq!(a.fetch_neg(order), <$int_type>::MIN);
- assert_eq!(a.load(Ordering::Relaxed), <$int_type>::MIN.wrapping_neg());
- assert_eq!(a.fetch_neg(order), <$int_type>::MIN.wrapping_neg());
- assert_eq!(a.load(Ordering::Relaxed), <$int_type>::MIN);
- }
- }
- #[test]
- fn neg() {
- let a = <$atomic_type>::new(5);
- test_swap_ordering(|order| a.neg(order));
- for &order in &test_helper::SWAP_ORDERINGS {
- let a = <$atomic_type>::new(5);
- a.neg(order);
- assert_eq!(a.load(Ordering::Relaxed), <$int_type>::wrapping_neg(5));
- a.neg(order);
- assert_eq!(a.load(Ordering::Relaxed), 5);
- let a = <$atomic_type>::new(<$int_type>::MIN);
- a.neg(order);
- assert_eq!(a.load(Ordering::Relaxed), <$int_type>::MIN.wrapping_neg());
- a.neg(order);
- assert_eq!(a.load(Ordering::Relaxed), <$int_type>::MIN);
- }
- }
- #[test]
- fn bit_set() {
- let a = <$atomic_type>::new(0b0001);
- test_swap_ordering(|order| assert!(a.bit_set(0, order)));
- for &order in &test_helper::SWAP_ORDERINGS {
- let a = <$atomic_type>::new(0b0000);
- assert!(!a.bit_set(0, order));
- assert_eq!(a.load(Ordering::Relaxed), 0b0001);
- assert!(a.bit_set(0, order));
- assert_eq!(a.load(Ordering::Relaxed), 0b0001);
- }
- }
- #[test]
- fn bit_clear() {
- let a = <$atomic_type>::new(0b0000);
- test_swap_ordering(|order| assert!(!a.bit_clear(0, order)));
- for &order in &test_helper::SWAP_ORDERINGS {
- let a = <$atomic_type>::new(0b0001);
- assert!(a.bit_clear(0, order));
- assert_eq!(a.load(Ordering::Relaxed), 0b0000);
- assert!(!a.bit_clear(0, order));
- assert_eq!(a.load(Ordering::Relaxed), 0b0000);
- }
- }
- #[test]
- fn bit_toggle() {
- let a = <$atomic_type>::new(0b0000);
- test_swap_ordering(|order| a.bit_toggle(0, order));
- for &order in &test_helper::SWAP_ORDERINGS {
- let a = <$atomic_type>::new(0b0000);
- assert!(!a.bit_toggle(0, order));
- assert_eq!(a.load(Ordering::Relaxed), 0b0001);
- assert!(a.bit_toggle(0, order));
- assert_eq!(a.load(Ordering::Relaxed), 0b0000);
- }
- }
- ::quickcheck::quickcheck! {
- fn quickcheck_swap(x: $int_type, y: $int_type) -> bool {
- for &order in &test_helper::SWAP_ORDERINGS {
- let a = <$atomic_type>::new(x);
- assert_eq!(a.swap(y, order), x);
- assert_eq!(a.swap(x, order), y);
- }
- true
- }
- fn quickcheck_compare_exchange(x: $int_type, y: $int_type) -> bool {
- #[cfg(all(
- target_arch = "arm",
- not(any(target_feature = "v6", portable_atomic_target_feature = "v6")),
- ))]
- {
- // TODO: LLVM bug:
- // https://github.com/llvm/llvm-project/issues/61880
- // https://github.com/taiki-e/portable-atomic/issues/2
- if core::mem::size_of::<$int_type>() <= 2 {
- return true;
- }
- }
- let z = loop {
- let z = fastrand::$int_type(..);
- if z != y {
- break z;
- }
- };
- for &(success, failure) in &test_helper::COMPARE_EXCHANGE_ORDERINGS {
- let a = <$atomic_type>::new(x);
- assert_eq!(a.compare_exchange(x, y, success, failure).unwrap(), x);
- assert_eq!(a.load(Ordering::Relaxed), y);
- assert_eq!(a.compare_exchange(z, x, success, failure).unwrap_err(), y);
- assert_eq!(a.load(Ordering::Relaxed), y);
- }
- true
- }
- fn quickcheck_fetch_add(x: $int_type, y: $int_type) -> bool {
- for &order in &test_helper::SWAP_ORDERINGS {
- let a = <$atomic_type>::new(x);
- assert_eq!(a.fetch_add(y, order), x);
- assert_eq!(a.load(Ordering::Relaxed), x.wrapping_add(y));
- let a = <$atomic_type>::new(y);
- assert_eq!(a.fetch_add(x, order), y);
- assert_eq!(a.load(Ordering::Relaxed), y.wrapping_add(x));
- }
- true
- }
- fn quickcheck_add(x: $int_type, y: $int_type) -> bool {
- for &order in &test_helper::SWAP_ORDERINGS {
- let a = <$atomic_type>::new(x);
- a.add(y, order);
- assert_eq!(a.load(Ordering::Relaxed), x.wrapping_add(y));
- let a = <$atomic_type>::new(y);
- a.add(x, order);
- assert_eq!(a.load(Ordering::Relaxed), y.wrapping_add(x));
- }
- true
- }
- fn quickcheck_fetch_sub(x: $int_type, y: $int_type) -> bool {
- for &order in &test_helper::SWAP_ORDERINGS {
- let a = <$atomic_type>::new(x);
- assert_eq!(a.fetch_sub(y, order), x);
- assert_eq!(a.load(Ordering::Relaxed), x.wrapping_sub(y));
- let a = <$atomic_type>::new(y);
- assert_eq!(a.fetch_sub(x, order), y);
- assert_eq!(a.load(Ordering::Relaxed), y.wrapping_sub(x));
- }
- true
- }
- fn quickcheck_sub(x: $int_type, y: $int_type) -> bool {
- for &order in &test_helper::SWAP_ORDERINGS {
- let a = <$atomic_type>::new(x);
- a.sub(y, order);
- assert_eq!(a.load(Ordering::Relaxed), x.wrapping_sub(y));
- let a = <$atomic_type>::new(y);
- a.sub(x, order);
- assert_eq!(a.load(Ordering::Relaxed), y.wrapping_sub(x));
- }
- true
- }
- fn quickcheck_fetch_and(x: $int_type, y: $int_type) -> bool {
- for &order in &test_helper::SWAP_ORDERINGS {
- let a = <$atomic_type>::new(x);
- assert_eq!(a.fetch_and(y, order), x);
- assert_eq!(a.load(Ordering::Relaxed), x & y);
- let a = <$atomic_type>::new(y);
- assert_eq!(a.fetch_and(x, order), y);
- assert_eq!(a.load(Ordering::Relaxed), y & x);
- }
- true
- }
- fn quickcheck_and(x: $int_type, y: $int_type) -> bool {
- for &order in &test_helper::SWAP_ORDERINGS {
- let a = <$atomic_type>::new(x);
- a.and(y, order);
- assert_eq!(a.load(Ordering::Relaxed), x & y);
- let a = <$atomic_type>::new(y);
- a.and(x, order);
- assert_eq!(a.load(Ordering::Relaxed), y & x);
- }
- true
- }
- fn quickcheck_fetch_nand(x: $int_type, y: $int_type) -> bool {
- for &order in &test_helper::SWAP_ORDERINGS {
- let a = <$atomic_type>::new(x);
- assert_eq!(a.fetch_nand(y, order), x);
- assert_eq!(a.load(Ordering::Relaxed), !(x & y));
- let a = <$atomic_type>::new(y);
- assert_eq!(a.fetch_nand(x, order), y);
- assert_eq!(a.load(Ordering::Relaxed), !(y & x));
- }
- true
- }
- fn quickcheck_fetch_or(x: $int_type, y: $int_type) -> bool {
- for &order in &test_helper::SWAP_ORDERINGS {
- let a = <$atomic_type>::new(x);
- assert_eq!(a.fetch_or(y, order), x);
- assert_eq!(a.load(Ordering::Relaxed), x | y);
- let a = <$atomic_type>::new(y);
- assert_eq!(a.fetch_or(x, order), y);
- assert_eq!(a.load(Ordering::Relaxed), y | x);
- }
- true
- }
- fn quickcheck_or(x: $int_type, y: $int_type) -> bool {
- for &order in &test_helper::SWAP_ORDERINGS {
- let a = <$atomic_type>::new(x);
- a.or(y, order);
- assert_eq!(a.load(Ordering::Relaxed), x | y);
- let a = <$atomic_type>::new(y);
- a.or(x, order);
- assert_eq!(a.load(Ordering::Relaxed), y | x);
- }
- true
- }
- fn quickcheck_fetch_xor(x: $int_type, y: $int_type) -> bool {
- for &order in &test_helper::SWAP_ORDERINGS {
- let a = <$atomic_type>::new(x);
- assert_eq!(a.fetch_xor(y, order), x);
- assert_eq!(a.load(Ordering::Relaxed), x ^ y);
- let a = <$atomic_type>::new(y);
- assert_eq!(a.fetch_xor(x, order), y);
- assert_eq!(a.load(Ordering::Relaxed), y ^ x);
- }
- true
- }
- fn quickcheck_xor(x: $int_type, y: $int_type) -> bool {
- for &order in &test_helper::SWAP_ORDERINGS {
- let a = <$atomic_type>::new(x);
- a.xor(y, order);
- assert_eq!(a.load(Ordering::Relaxed), x ^ y);
- let a = <$atomic_type>::new(y);
- a.xor(x, order);
- assert_eq!(a.load(Ordering::Relaxed), y ^ x);
- }
- true
- }
- fn quickcheck_fetch_max(x: $int_type, y: $int_type) -> bool {
- for &order in &test_helper::SWAP_ORDERINGS {
- let a = <$atomic_type>::new(x);
- assert_eq!(a.fetch_max(y, order), x);
- assert_eq!(a.load(Ordering::Relaxed), core::cmp::max(x, y));
- let a = <$atomic_type>::new(y);
- assert_eq!(a.fetch_max(x, order), y);
- assert_eq!(a.load(Ordering::Relaxed), core::cmp::max(y, x));
- }
- true
- }
- fn quickcheck_fetch_min(x: $int_type, y: $int_type) -> bool {
- for &order in &test_helper::SWAP_ORDERINGS {
- let a = <$atomic_type>::new(x);
- assert_eq!(a.fetch_min(y, order), x);
- assert_eq!(a.load(Ordering::Relaxed), core::cmp::min(x, y));
- let a = <$atomic_type>::new(y);
- assert_eq!(a.fetch_min(x, order), y);
- assert_eq!(a.load(Ordering::Relaxed), core::cmp::min(y, x));
- }
- true
- }
- fn quickcheck_fetch_not(x: $int_type) -> bool {
- for &order in &test_helper::SWAP_ORDERINGS {
- let a = <$atomic_type>::new(x);
- assert_eq!(a.fetch_not(order), x);
- assert_eq!(a.load(Ordering::Relaxed), !x);
- assert_eq!(a.fetch_not(order), !x);
- assert_eq!(a.load(Ordering::Relaxed), x);
- }
- true
- }
- fn quickcheck_not(x: $int_type) -> bool {
- for &order in &test_helper::SWAP_ORDERINGS {
- let a = <$atomic_type>::new(x);
- a.not(order);
- assert_eq!(a.load(Ordering::Relaxed), !x);
- a.not(order);
- assert_eq!(a.load(Ordering::Relaxed), x);
- }
- true
- }
- fn quickcheck_fetch_neg(x: $int_type) -> bool {
- for &order in &test_helper::SWAP_ORDERINGS {
- let a = <$atomic_type>::new(x);
- assert_eq!(a.fetch_neg(order), x);
- assert_eq!(a.load(Ordering::Relaxed), x.wrapping_neg());
- assert_eq!(a.fetch_neg(order), x.wrapping_neg());
- assert_eq!(a.load(Ordering::Relaxed), x);
- }
- true
- }
- fn quickcheck_neg(x: $int_type) -> bool {
- for &order in &test_helper::SWAP_ORDERINGS {
- let a = <$atomic_type>::new(x);
- a.neg(order);
- assert_eq!(a.load(Ordering::Relaxed), x.wrapping_neg());
- a.neg(order);
- assert_eq!(a.load(Ordering::Relaxed), x);
- }
- true
- }
- fn quickcheck_bit_set(x: $int_type, bit: u32) -> bool {
- for &order in &test_helper::SWAP_ORDERINGS {
- let a = <$atomic_type>::new(x);
- let b = a.bit_set(bit, order);
- let mask = <$int_type>::wrapping_shl(1, bit);
- assert_eq!(a.load(Ordering::Relaxed), x | mask);
- assert_eq!(b, x & mask != 0);
- }
- true
- }
- fn quickcheck_bit_clear(x: $int_type, bit: u32) -> bool {
- for &order in &test_helper::SWAP_ORDERINGS {
- let a = <$atomic_type>::new(x);
- let b = a.bit_clear(bit, order);
- let mask = <$int_type>::wrapping_shl(1, bit);
- assert_eq!(a.load(Ordering::Relaxed), x & !mask);
- assert_eq!(b, x & mask != 0);
- }
- true
- }
- fn quickcheck_bit_toggle(x: $int_type, bit: u32) -> bool {
- for &order in &test_helper::SWAP_ORDERINGS {
- let a = <$atomic_type>::new(x);
- let b = a.bit_toggle(bit, order);
- let mask = <$int_type>::wrapping_shl(1, bit);
- assert_eq!(a.load(Ordering::Relaxed), x ^ mask);
- assert_eq!(b, x & mask != 0);
- }
- true
- }
- }
- };
- ($atomic_type:ty, $int_type:ident) => {
- __test_atomic_int!($atomic_type, $int_type, single_thread);
-
- #[test]
- fn stress_swap() {
- let (iterations, threads) = stress_test_config();
- let data1 = &(0..threads)
- .map(|_| (0..iterations).map(|_| fastrand::$int_type(..)).collect::<Vec<_>>())
- .collect::<Vec<_>>();
- let data2 = &(0..threads)
- .map(|_| (0..iterations).map(|_| fastrand::$int_type(..)).collect::<Vec<_>>())
- .collect::<Vec<_>>();
- let set = &data1
- .iter()
- .flat_map(|v| v.iter().copied())
- .chain(data2.iter().flat_map(|v| v.iter().copied()))
- .collect::<BTreeSet<_>>();
- let a = &<$atomic_type>::new(data2[0][fastrand::usize(0..iterations)]);
- let now = &std::time::Instant::now();
- thread::scope(|s| {
- for thread in 0..threads {
- if thread % 2 == 0 {
- s.spawn(move |_| {
- let now = *now;
- for i in 0..iterations {
- a.store(data1[thread][i], rand_store_ordering());
- }
- std::eprintln!("store end={:?}", now.elapsed());
- });
- } else {
- s.spawn(|_| {
- let now = *now;
- let mut v = vec![0; iterations];
- for i in 0..iterations {
- v[i] = a.load(rand_load_ordering());
- }
- std::eprintln!("load end={:?}", now.elapsed());
- for v in v {
- assert!(set.contains(&v), "v={}", v);
- }
- });
- }
- s.spawn(move |_| {
- let now = *now;
- let mut v = vec![0; iterations];
- for i in 0..iterations {
- v[i] = a.swap(data2[thread][i], rand_swap_ordering());
- }
- std::eprintln!("swap end={:?}", now.elapsed());
- for v in v {
- assert!(set.contains(&v), "v={}", v);
- }
- });
- }
- })
- .unwrap();
- }
- #[test]
- fn stress_compare_exchange() {
- let (iterations, threads) = stress_test_config();
- let data1 = &(0..threads)
- .map(|_| (0..iterations).map(|_| fastrand::$int_type(..)).collect::<Vec<_>>())
- .collect::<Vec<_>>();
- let data2 = &(0..threads)
- .map(|_| (0..iterations).map(|_| fastrand::$int_type(..)).collect::<Vec<_>>())
- .collect::<Vec<_>>();
- let set = &data1
- .iter()
- .flat_map(|v| v.iter().copied())
- .chain(data2.iter().flat_map(|v| v.iter().copied()))
- .collect::<BTreeSet<_>>();
- let a = &<$atomic_type>::new(data2[0][fastrand::usize(0..iterations)]);
- let now = &std::time::Instant::now();
- thread::scope(|s| {
- for thread in 0..threads {
- s.spawn(move |_| {
- let now = *now;
- for i in 0..iterations {
- a.store(data1[thread][i], rand_store_ordering());
- }
- std::eprintln!("store end={:?}", now.elapsed());
- });
- s.spawn(|_| {
- let now = *now;
- let mut v = vec![data2[0][0]; iterations];
- for i in 0..iterations {
- v[i] = a.load(rand_load_ordering());
- }
- std::eprintln!("load end={:?}", now.elapsed());
- for v in v {
- assert!(set.contains(&v), "v={}", v);
- }
- });
- s.spawn(move |_| {
- let now = *now;
- let mut v = vec![data2[0][0]; iterations];
- for i in 0..iterations {
- let old = if i % 2 == 0 {
- fastrand::$int_type(..)
- } else {
- a.load(Ordering::Relaxed)
- };
- let new = data2[thread][i];
- let o = rand_compare_exchange_ordering();
- match a.compare_exchange(old, new, o.0, o.1) {
- Ok(r) => assert_eq!(old, r),
- Err(r) => v[i] = r,
- }
- }
- std::eprintln!("compare_exchange end={:?}", now.elapsed());
- for v in v {
- assert!(set.contains(&v), "v={}", v);
- }
- });
- }
- })
- .unwrap();
- }
- };
-}
-macro_rules! __test_atomic_float {
- ($atomic_type:ty, $float_type:ident, single_thread) => {
- use core::$float_type;
- #[test]
- fn swap() {
- let a = <$atomic_type>::new(5.0);
- test_swap_ordering(|order| a.swap(5.0, order));
- for &order in &test_helper::SWAP_ORDERINGS {
- assert_eq!(a.swap(10.0, order), 5.0);
- assert_eq!(a.swap(5.0, order), 10.0);
- }
- }
- #[test]
- fn compare_exchange() {
- let a = <$atomic_type>::new(5.0);
- test_compare_exchange_ordering(|success, failure| {
- a.compare_exchange(5.0, 5.0, success, failure)
- });
- for &(success, failure) in &test_helper::COMPARE_EXCHANGE_ORDERINGS {
- let a = <$atomic_type>::new(5.0);
- assert_eq!(a.compare_exchange(5.0, 10.0, success, failure), Ok(5.0));
- assert_eq!(a.load(Ordering::Relaxed), 10.0);
- assert_eq!(a.compare_exchange(6.0, 12.0, success, failure), Err(10.0));
- assert_eq!(a.load(Ordering::Relaxed), 10.0);
- }
- }
- #[test]
- fn compare_exchange_weak() {
- let a = <$atomic_type>::new(4.0);
- test_compare_exchange_ordering(|success, failure| {
- a.compare_exchange_weak(4.0, 4.0, success, failure)
- });
- for &(success, failure) in &test_helper::COMPARE_EXCHANGE_ORDERINGS {
- let a = <$atomic_type>::new(4.0);
- assert_eq!(a.compare_exchange_weak(6.0, 8.0, success, failure), Err(4.0));
- let mut old = a.load(Ordering::Relaxed);
- loop {
- let new = old * 2.0;
- match a.compare_exchange_weak(old, new, success, failure) {
- Ok(_) => break,
- Err(x) => old = x,
- }
- }
- assert_eq!(a.load(Ordering::Relaxed), 8.0);
- }
- }
- #[test]
- fn fetch_add() {
- let a = <$atomic_type>::new(0.0);
- test_swap_ordering(|order| a.fetch_add(0.0, order));
- for &order in &test_helper::SWAP_ORDERINGS {
- let a = <$atomic_type>::new(0.0);
- assert_eq!(a.fetch_add(10.0, order), 0.0);
- assert_eq!(a.load(Ordering::Relaxed), 10.0);
- let a = <$atomic_type>::new($float_type::MAX);
- assert_eq!(a.fetch_add(1.0, order), $float_type::MAX);
- assert_eq!(a.load(Ordering::Relaxed), $float_type::MAX + 1.0);
- }
- }
- #[test]
- fn fetch_sub() {
- let a = <$atomic_type>::new(20.0);
- test_swap_ordering(|order| a.fetch_sub(0.0, order));
- for &order in &test_helper::SWAP_ORDERINGS {
- let a = <$atomic_type>::new(20.0);
- assert_eq!(a.fetch_sub(10.0, order), 20.0);
- assert_eq!(a.load(Ordering::Relaxed), 10.0);
- let a = <$atomic_type>::new($float_type::MIN);
- assert_eq!(a.fetch_sub(1.0, order), $float_type::MIN);
- assert_eq!(a.load(Ordering::Relaxed), $float_type::MIN - 1.0);
- }
- }
- #[test]
- fn fetch_max() {
- let a = <$atomic_type>::new(23.0);
- test_swap_ordering(|order| a.fetch_max(23.0, order));
- for &order in &test_helper::SWAP_ORDERINGS {
- let a = <$atomic_type>::new(23.0);
- assert_eq!(a.fetch_max(22.0, order), 23.0);
- assert_eq!(a.load(Ordering::Relaxed), 23.0);
- assert_eq!(a.fetch_max(24.0, order), 23.0);
- assert_eq!(a.load(Ordering::Relaxed), 24.0);
- }
- }
- #[test]
- fn fetch_min() {
- let a = <$atomic_type>::new(23.0);
- test_swap_ordering(|order| a.fetch_min(23.0, order));
- for &order in &test_helper::SWAP_ORDERINGS {
- let a = <$atomic_type>::new(23.0);
- assert_eq!(a.fetch_min(24.0, order), 23.0);
- assert_eq!(a.load(Ordering::Relaxed), 23.0);
- assert_eq!(a.fetch_min(22.0, order), 23.0);
- assert_eq!(a.load(Ordering::Relaxed), 22.0);
- }
- }
- #[test]
- fn fetch_neg() {
- let a = <$atomic_type>::new(5.0);
- test_swap_ordering(|order| a.fetch_neg(order));
- for &order in &test_helper::SWAP_ORDERINGS {
- let a = <$atomic_type>::new(5.0);
- assert_eq!(a.fetch_neg(order), 5.0);
- assert_eq!(a.load(Ordering::Relaxed), -5.0);
- assert_eq!(a.fetch_neg(order), -5.0);
- assert_eq!(a.load(Ordering::Relaxed), 5.0);
- }
- }
- #[test]
- fn fetch_abs() {
- let a = <$atomic_type>::new(23.0);
- test_swap_ordering(|order| a.fetch_abs(order));
- for &order in &test_helper::SWAP_ORDERINGS {
- let a = <$atomic_type>::new(-23.0);
- assert_eq!(a.fetch_abs(order), -23.0);
- assert_eq!(a.load(Ordering::Relaxed), 23.0);
- assert_eq!(a.fetch_abs(order), 23.0);
- assert_eq!(a.load(Ordering::Relaxed), 23.0);
- }
- }
- ::quickcheck::quickcheck! {
- fn quickcheck_swap(x: $float_type, y: $float_type) -> bool {
- for &order in &test_helper::SWAP_ORDERINGS {
- let a = <$atomic_type>::new(x);
- assert_float_op_eq!(a.swap(y, order), x);
- assert_float_op_eq!(a.swap(x, order), y);
- }
- true
- }
- fn quickcheck_compare_exchange(x: $float_type, y: $float_type) -> bool {
- let z = loop {
- let z = fastrand::$float_type();
- if z != y {
- break z;
- }
- };
- for &(success, failure) in &test_helper::COMPARE_EXCHANGE_ORDERINGS {
- let a = <$atomic_type>::new(x);
- assert_float_op_eq!(a.compare_exchange(x, y, success, failure).unwrap(), x);
- assert_float_op_eq!(a.load(Ordering::Relaxed), y);
- assert_float_op_eq!(
- a.compare_exchange(z, x, success, failure).unwrap_err(),
- y,
- );
- assert_float_op_eq!(a.load(Ordering::Relaxed), y);
- }
- true
- }
- fn quickcheck_fetch_add(x: $float_type, y: $float_type) -> bool {
- if cfg!(all(not(debug_assertions), target_arch = "x86", not(target_feature = "sse2"))) {
- // TODO: rustc bug:
- // https://github.com/rust-lang/rust/issues/72327
- // https://github.com/rust-lang/rust/issues/73288
- return true;
- }
- for &order in &test_helper::SWAP_ORDERINGS {
- let a = <$atomic_type>::new(x);
- assert_float_op_eq!(a.fetch_add(y, order), x);
- assert_float_op_eq!(a.load(Ordering::Relaxed), x + y);
- let a = <$atomic_type>::new(y);
- assert_float_op_eq!(a.fetch_add(x, order), y);
- assert_float_op_eq!(a.load(Ordering::Relaxed), y + x);
- }
- true
- }
- fn quickcheck_fetch_sub(x: $float_type, y: $float_type) -> bool {
- if cfg!(all(not(debug_assertions), target_arch = "x86", not(target_feature = "sse2"))) {
- // TODO: rustc bug:
- // https://github.com/rust-lang/rust/issues/72327
- // https://github.com/rust-lang/rust/issues/73288
- return true;
- }
- for &order in &test_helper::SWAP_ORDERINGS {
- let a = <$atomic_type>::new(x);
- assert_float_op_eq!(a.fetch_sub(y, order), x);
- assert_float_op_eq!(a.load(Ordering::Relaxed), x - y);
- let a = <$atomic_type>::new(y);
- assert_float_op_eq!(a.fetch_sub(x, order), y);
- assert_float_op_eq!(a.load(Ordering::Relaxed), y - x);
- }
- true
- }
- fn quickcheck_fetch_max(x: $float_type, y: $float_type) -> bool {
- for &order in &test_helper::SWAP_ORDERINGS {
- let a = <$atomic_type>::new(x);
- assert_float_op_eq!(a.fetch_max(y, order), x);
- assert_float_op_eq!(a.load(Ordering::Relaxed), x.max(y));
- let a = <$atomic_type>::new(y);
- assert_float_op_eq!(a.fetch_max(x, order), y);
- assert_float_op_eq!(a.load(Ordering::Relaxed), y.max(x));
- }
- true
- }
- fn quickcheck_fetch_min(x: $float_type, y: $float_type) -> bool {
- for &order in &test_helper::SWAP_ORDERINGS {
- let a = <$atomic_type>::new(x);
- assert_float_op_eq!(a.fetch_min(y, order), x);
- assert_float_op_eq!(a.load(Ordering::Relaxed), x.min(y));
- let a = <$atomic_type>::new(y);
- assert_float_op_eq!(a.fetch_min(x, order), y);
- assert_float_op_eq!(a.load(Ordering::Relaxed), y.min(x));
- }
- true
- }
- fn quickcheck_fetch_neg(x: $float_type) -> bool {
- for &order in &test_helper::SWAP_ORDERINGS {
- let a = <$atomic_type>::new(x);
- assert_float_op_eq!(a.fetch_neg(order), x);
- assert_float_op_eq!(a.load(Ordering::Relaxed), -x);
- assert_float_op_eq!(a.fetch_neg(order), -x);
- assert_float_op_eq!(a.load(Ordering::Relaxed), x);
- }
- true
- }
- fn quickcheck_fetch_abs(x: $float_type) -> bool {
- for &order in &test_helper::SWAP_ORDERINGS {
- let a = <$atomic_type>::new(x);
- assert_float_op_eq!(a.fetch_abs(order), x);
- assert_float_op_eq!(a.fetch_abs(order), x.abs());
- assert_float_op_eq!(a.load(Ordering::Relaxed), x.abs());
- }
- true
- }
- }
- };
- ($atomic_type:ty, $float_type:ident) => {
- __test_atomic_float!($atomic_type, $float_type, single_thread);
- // TODO: multi thread
- };
-}
-macro_rules! __test_atomic_bool {
- ($atomic_type:ty, single_thread) => {
- #[test]
- fn swap() {
- let a = <$atomic_type>::new(true);
- test_swap_ordering(|order| a.swap(true, order));
- for &order in &test_helper::SWAP_ORDERINGS {
- assert_eq!(a.swap(true, order), true);
- assert_eq!(a.swap(false, order), true);
- assert_eq!(a.swap(false, order), false);
- assert_eq!(a.swap(true, order), false);
- }
- }
- #[test]
- fn compare_exchange() {
- let a = <$atomic_type>::new(true);
- test_compare_exchange_ordering(|success, failure| {
- a.compare_exchange(true, true, success, failure)
- });
- for &(success, failure) in &test_helper::COMPARE_EXCHANGE_ORDERINGS {
- let a = <$atomic_type>::new(true);
- assert_eq!(a.compare_exchange(true, false, success, failure), Ok(true));
- assert_eq!(a.load(Ordering::Relaxed), false);
- assert_eq!(a.compare_exchange(true, true, success, failure), Err(false));
- assert_eq!(a.load(Ordering::Relaxed), false);
- }
- }
- #[test]
- fn compare_exchange_weak() {
- let a = <$atomic_type>::new(false);
- test_compare_exchange_ordering(|success, failure| {
- a.compare_exchange_weak(false, false, success, failure)
- });
- for &(success, failure) in &test_helper::COMPARE_EXCHANGE_ORDERINGS {
- let a = <$atomic_type>::new(false);
- assert_eq!(a.compare_exchange_weak(true, true, success, failure), Err(false));
- let mut old = a.load(Ordering::Relaxed);
- let new = true;
- loop {
- match a.compare_exchange_weak(old, new, success, failure) {
- Ok(_) => break,
- Err(x) => old = x,
- }
- }
- assert_eq!(a.load(Ordering::Relaxed), true);
- }
- }
- #[test]
- fn fetch_and() {
- let a = <$atomic_type>::new(true);
- test_swap_ordering(|order| assert_eq!(a.fetch_and(true, order), true));
- for &order in &test_helper::SWAP_ORDERINGS {
- let a = <$atomic_type>::new(true);
- assert_eq!(a.fetch_and(false, order), true);
- assert_eq!(a.load(Ordering::Relaxed), false);
- let a = <$atomic_type>::new(true);
- assert_eq!(a.fetch_and(true, order), true);
- assert_eq!(a.load(Ordering::Relaxed), true);
- let a = <$atomic_type>::new(false);
- assert_eq!(a.fetch_and(false, order), false);
- assert_eq!(a.load(Ordering::Relaxed), false);
- let a = <$atomic_type>::new(false);
- assert_eq!(a.fetch_and(true, order), false);
- assert_eq!(a.load(Ordering::Relaxed), false);
- }
- }
- #[test]
- fn and() {
- let a = <$atomic_type>::new(true);
- test_swap_ordering(|order| a.and(true, order));
- for &order in &test_helper::SWAP_ORDERINGS {
- let a = <$atomic_type>::new(true);
- a.and(false, order);
- assert_eq!(a.load(Ordering::Relaxed), false);
- let a = <$atomic_type>::new(true);
- a.and(true, order);
- assert_eq!(a.load(Ordering::Relaxed), true);
- let a = <$atomic_type>::new(false);
- a.and(false, order);
- assert_eq!(a.load(Ordering::Relaxed), false);
- let a = <$atomic_type>::new(false);
- a.and(true, order);
- assert_eq!(a.load(Ordering::Relaxed), false);
- }
- }
- #[test]
- fn fetch_or() {
- let a = <$atomic_type>::new(true);
- test_swap_ordering(|order| assert_eq!(a.fetch_or(false, order), true));
- for &order in &test_helper::SWAP_ORDERINGS {
- let a = <$atomic_type>::new(true);
- assert_eq!(a.fetch_or(false, order), true);
- assert_eq!(a.load(Ordering::Relaxed), true);
- let a = <$atomic_type>::new(true);
- assert_eq!(a.fetch_or(true, order), true);
- assert_eq!(a.load(Ordering::Relaxed), true);
- let a = <$atomic_type>::new(false);
- assert_eq!(a.fetch_or(false, order), false);
- assert_eq!(a.load(Ordering::Relaxed), false);
- let a = <$atomic_type>::new(false);
- assert_eq!(a.fetch_or(true, order), false);
- assert_eq!(a.load(Ordering::Relaxed), true);
- }
- }
- #[test]
- fn or() {
- let a = <$atomic_type>::new(true);
- test_swap_ordering(|order| a.or(false, order));
- for &order in &test_helper::SWAP_ORDERINGS {
- let a = <$atomic_type>::new(true);
- a.or(false, order);
- assert_eq!(a.load(Ordering::Relaxed), true);
- let a = <$atomic_type>::new(true);
- a.or(true, order);
- assert_eq!(a.load(Ordering::Relaxed), true);
- let a = <$atomic_type>::new(false);
- a.or(false, order);
- assert_eq!(a.load(Ordering::Relaxed), false);
- let a = <$atomic_type>::new(false);
- a.or(true, order);
- assert_eq!(a.load(Ordering::Relaxed), true);
- }
- }
- #[test]
- fn fetch_xor() {
- let a = <$atomic_type>::new(true);
- test_swap_ordering(|order| assert_eq!(a.fetch_xor(false, order), true));
- for &order in &test_helper::SWAP_ORDERINGS {
- let a = <$atomic_type>::new(true);
- assert_eq!(a.fetch_xor(false, order), true);
- assert_eq!(a.load(Ordering::Relaxed), true);
- let a = <$atomic_type>::new(true);
- assert_eq!(a.fetch_xor(true, order), true);
- assert_eq!(a.load(Ordering::Relaxed), false);
- let a = <$atomic_type>::new(false);
- assert_eq!(a.fetch_xor(false, order), false);
- assert_eq!(a.load(Ordering::Relaxed), false);
- let a = <$atomic_type>::new(false);
- assert_eq!(a.fetch_xor(true, order), false);
- assert_eq!(a.load(Ordering::Relaxed), true);
- }
- }
- #[test]
- fn xor() {
- let a = <$atomic_type>::new(true);
- test_swap_ordering(|order| a.xor(false, order));
- for &order in &test_helper::SWAP_ORDERINGS {
- let a = <$atomic_type>::new(true);
- a.xor(false, order);
- assert_eq!(a.load(Ordering::Relaxed), true);
- let a = <$atomic_type>::new(true);
- a.xor(true, order);
- assert_eq!(a.load(Ordering::Relaxed), false);
- let a = <$atomic_type>::new(false);
- a.xor(false, order);
- assert_eq!(a.load(Ordering::Relaxed), false);
- let a = <$atomic_type>::new(false);
- a.xor(true, order);
- assert_eq!(a.load(Ordering::Relaxed), true);
- }
- }
- ::quickcheck::quickcheck! {
- fn quickcheck_compare_exchange(x: bool, y: bool) -> bool {
- let z = !y;
- for &(success, failure) in &test_helper::COMPARE_EXCHANGE_ORDERINGS {
- let a = <$atomic_type>::new(x);
- assert_eq!(a.compare_exchange(x, y, success, failure).unwrap(), x);
- assert_eq!(a.load(Ordering::Relaxed), y);
- assert_eq!(a.compare_exchange(z, x, success, failure).unwrap_err(), y);
- assert_eq!(a.load(Ordering::Relaxed), y);
- }
- true
- }
- }
- };
- ($atomic_type:ty) => {
- __test_atomic_bool!($atomic_type, single_thread);
- // TODO: multi thread
- };
-}
-macro_rules! __test_atomic_ptr {
- ($atomic_type:ty, single_thread) => {
- #[test]
- fn swap() {
- let a = <$atomic_type>::new(ptr::null_mut());
- test_swap_ordering(|order| a.swap(ptr::null_mut(), order));
- let x = &mut 1;
- for &order in &test_helper::SWAP_ORDERINGS {
- assert_eq!(a.swap(x, order), ptr::null_mut());
- assert_eq!(a.swap(ptr::null_mut(), order), x as _);
- }
- }
- #[test]
- fn compare_exchange() {
- let a = <$atomic_type>::new(ptr::null_mut());
- test_compare_exchange_ordering(|success, failure| {
- a.compare_exchange(ptr::null_mut(), ptr::null_mut(), success, failure)
- });
- for &(success, failure) in &test_helper::COMPARE_EXCHANGE_ORDERINGS {
- let a = <$atomic_type>::new(ptr::null_mut());
- let x = &mut 1;
- assert_eq!(
- a.compare_exchange(ptr::null_mut(), x, success, failure),
- Ok(ptr::null_mut()),
- );
- assert_eq!(a.load(Ordering::Relaxed), x as _);
- assert_eq!(
- a.compare_exchange(ptr::null_mut(), ptr::null_mut(), success, failure),
- Err(x as _),
- );
- assert_eq!(a.load(Ordering::Relaxed), x as _);
- }
- }
- #[test]
- fn compare_exchange_weak() {
- let a = <$atomic_type>::new(ptr::null_mut());
- test_compare_exchange_ordering(|success, failure| {
- a.compare_exchange_weak(ptr::null_mut(), ptr::null_mut(), success, failure)
- });
- for &(success, failure) in &test_helper::COMPARE_EXCHANGE_ORDERINGS {
- let a = <$atomic_type>::new(ptr::null_mut());
- let x = &mut 1;
- assert_eq!(a.compare_exchange_weak(x, x, success, failure), Err(ptr::null_mut()));
- let mut old = a.load(Ordering::Relaxed);
- loop {
- match a.compare_exchange_weak(old, x, success, failure) {
- Ok(_) => break,
- Err(x) => old = x,
- }
- }
- assert_eq!(a.load(Ordering::Relaxed), x as _);
- }
- }
- };
- ($atomic_type:ty) => {
- __test_atomic_ptr!($atomic_type, single_thread);
- // TODO: multi thread
- };
-}
-
-macro_rules! __test_atomic_int_load_store_pub {
- ($atomic_type:ty, $int_type:ident) => {
- __test_atomic_pub_common!($atomic_type, $int_type);
- use std::{boxed::Box, mem};
- #[test]
- fn impls() {
- let a = <$atomic_type>::default();
- let b = <$atomic_type>::from(0);
- assert_eq!(a.load(Ordering::SeqCst), b.load(Ordering::SeqCst));
- assert_eq!(std::format!("{:?}", a), std::format!("{:?}", a.load(Ordering::SeqCst)));
-
- unsafe {
- let ptr: *mut Align16<$int_type> = Box::into_raw(Box::new(Align16(0)));
- assert!(ptr as usize % mem::align_of::<$atomic_type>() == 0);
- {
- let a = <$atomic_type>::from_ptr(ptr.cast::<$int_type>());
- *a.as_ptr() = 1;
- }
- assert_eq!((*ptr).0, 1);
- drop(Box::from_raw(ptr));
- }
- }
- };
-}
-macro_rules! __test_atomic_int_pub {
- ($atomic_type:ty, $int_type:ident) => {
- #[test]
- fn fetch_update() {
- let a = <$atomic_type>::new(7);
- test_compare_exchange_ordering(|set, fetch| a.fetch_update(set, fetch, |x| Some(x)));
- for &(success, failure) in &test_helper::COMPARE_EXCHANGE_ORDERINGS {
- let a = <$atomic_type>::new(7);
- assert_eq!(a.fetch_update(success, failure, |_| None), Err(7));
- assert_eq!(a.fetch_update(success, failure, |x| Some(x + 1)), Ok(7));
- assert_eq!(a.fetch_update(success, failure, |x| Some(x + 1)), Ok(8));
- assert_eq!(a.load(Ordering::SeqCst), 9);
- }
- }
- ::quickcheck::quickcheck! {
- fn quickcheck_fetch_update(x: $int_type, y: $int_type) -> bool {
- let z = loop {
- let z = fastrand::$int_type(..);
- if z != y {
- break z;
- }
- };
- for &(success, failure) in &test_helper::COMPARE_EXCHANGE_ORDERINGS {
- let a = <$atomic_type>::new(x);
- assert_eq!(
- a.fetch_update(success, failure, |_| Some(y))
- .unwrap(),
- x
- );
- assert_eq!(
- a.fetch_update(success, failure, |_| Some(z))
- .unwrap(),
- y
- );
- assert_eq!(a.load(Ordering::Relaxed), z);
- assert_eq!(
- a.fetch_update(success, failure, |z| if z == y { Some(z) } else { None })
- .unwrap_err(),
- z
- );
- assert_eq!(a.load(Ordering::Relaxed), z);
- }
- true
- }
- }
- };
-}
-macro_rules! __test_atomic_float_pub {
- ($atomic_type:ty, $float_type:ident) => {
- __test_atomic_pub_common!($atomic_type, $float_type);
- use std::{boxed::Box, mem};
- #[test]
- fn fetch_update() {
- let a = <$atomic_type>::new(7.0);
- test_compare_exchange_ordering(|set, fetch| a.fetch_update(set, fetch, |x| Some(x)));
- for &(success, failure) in &test_helper::COMPARE_EXCHANGE_ORDERINGS {
- let a = <$atomic_type>::new(7.0);
- assert_eq!(a.fetch_update(success, failure, |_| None), Err(7.0));
- assert_eq!(a.fetch_update(success, failure, |x| Some(x + 1.0)), Ok(7.0));
- assert_eq!(a.fetch_update(success, failure, |x| Some(x + 1.0)), Ok(8.0));
- assert_eq!(a.load(Ordering::SeqCst), 9.0);
- }
- }
- #[test]
- fn impls() {
- let a = <$atomic_type>::default();
- let b = <$atomic_type>::from(0.0);
- assert_eq!(a.load(Ordering::SeqCst), b.load(Ordering::SeqCst));
- assert_eq!(std::format!("{:?}", a), std::format!("{:?}", a.load(Ordering::SeqCst)));
-
- unsafe {
- let ptr: *mut Align16<$float_type> = Box::into_raw(Box::new(Align16(0.0)));
- assert!(ptr as usize % mem::align_of::<$atomic_type>() == 0);
- {
- let a = <$atomic_type>::from_ptr(ptr.cast::<$float_type>());
- *a.as_ptr() = 1.0;
- }
- assert_eq!((*ptr).0, 1.0);
- drop(Box::from_raw(ptr));
- }
- }
- };
-}
-macro_rules! __test_atomic_bool_pub {
- ($atomic_type:ty) => {
- __test_atomic_pub_common!($atomic_type, bool);
- use std::{boxed::Box, mem};
- #[test]
- fn fetch_nand() {
- let a = <$atomic_type>::new(true);
- test_swap_ordering(|order| assert_eq!(a.fetch_nand(false, order), true));
- for &order in &test_helper::SWAP_ORDERINGS {
- let a = <$atomic_type>::new(true);
- assert_eq!(a.fetch_nand(false, order), true);
- assert_eq!(a.load(Ordering::Relaxed), true);
- let a = <$atomic_type>::new(true);
- assert_eq!(a.fetch_nand(true, order), true);
- assert_eq!(a.load(Ordering::Relaxed) as usize, 0);
- assert_eq!(a.load(Ordering::Relaxed), false);
- let a = <$atomic_type>::new(false);
- assert_eq!(a.fetch_nand(false, order), false);
- assert_eq!(a.load(Ordering::Relaxed), true);
- let a = <$atomic_type>::new(false);
- assert_eq!(a.fetch_nand(true, order), false);
- assert_eq!(a.load(Ordering::Relaxed), true);
- }
- }
- #[test]
- fn fetch_not() {
- let a = <$atomic_type>::new(true);
- test_swap_ordering(|order| a.fetch_not(order));
- for &order in &test_helper::SWAP_ORDERINGS {
- let a = <$atomic_type>::new(true);
- assert_eq!(a.fetch_not(order), true);
- assert_eq!(a.load(Ordering::Relaxed), false);
- let a = <$atomic_type>::new(false);
- assert_eq!(a.fetch_not(order), false);
- assert_eq!(a.load(Ordering::Relaxed), true);
- }
- }
- #[test]
- fn not() {
- let a = <$atomic_type>::new(true);
- test_swap_ordering(|order| a.fetch_not(order));
- for &order in &test_helper::SWAP_ORDERINGS {
- let a = <$atomic_type>::new(true);
- a.not(order);
- assert_eq!(a.load(Ordering::Relaxed), false);
- let a = <$atomic_type>::new(false);
- a.not(order);
- assert_eq!(a.load(Ordering::Relaxed), true);
- }
- }
- #[test]
- fn fetch_update() {
- let a = <$atomic_type>::new(false);
- test_compare_exchange_ordering(|set, fetch| a.fetch_update(set, fetch, |x| Some(x)));
- for &(success, failure) in &test_helper::COMPARE_EXCHANGE_ORDERINGS {
- let a = <$atomic_type>::new(false);
- assert_eq!(a.fetch_update(success, failure, |_| None), Err(false));
- assert_eq!(a.fetch_update(success, failure, |x| Some(!x)), Ok(false));
- assert_eq!(a.fetch_update(success, failure, |x| Some(!x)), Ok(true));
- assert_eq!(a.load(Ordering::SeqCst), false);
- }
- }
- #[test]
- fn impls() {
- let a = <$atomic_type>::default();
- let b = <$atomic_type>::from(false);
- assert_eq!(a.load(Ordering::SeqCst), b.load(Ordering::SeqCst));
- assert_eq!(std::format!("{:?}", a), std::format!("{:?}", a.load(Ordering::SeqCst)));
-
- unsafe {
- let ptr: *mut bool = Box::into_raw(Box::new(false));
- assert!(ptr as usize % mem::align_of::<$atomic_type>() == 0);
- {
- let a = <$atomic_type>::from_ptr(ptr);
- *a.as_ptr() = true;
- }
- assert_eq!((*ptr), true);
- drop(Box::from_raw(ptr));
- }
- }
- };
-}
-macro_rules! __test_atomic_ptr_pub {
- ($atomic_type:ty) => {
- __test_atomic_pub_common!($atomic_type, *mut u8);
- use sptr::Strict;
- use std::{boxed::Box, mem};
- #[test]
- fn fetch_update() {
- let a = <$atomic_type>::new(ptr::null_mut());
- test_compare_exchange_ordering(|set, fetch| a.fetch_update(set, fetch, |x| Some(x)));
- for &(success, failure) in &test_helper::COMPARE_EXCHANGE_ORDERINGS {
- let a = <$atomic_type>::new(ptr::null_mut());
- assert_eq!(a.fetch_update(success, failure, |_| None), Err(ptr::null_mut()));
- assert_eq!(
- a.fetch_update(success, failure, |_| Some(&a as *const _ as *mut _)),
- Ok(ptr::null_mut())
- );
- assert_eq!(a.load(Ordering::SeqCst), &a as *const _ as *mut _);
- }
- }
- #[test]
- fn impls() {
- let a = <$atomic_type>::default();
- let b = <$atomic_type>::from(ptr::null_mut());
- assert_eq!(a.load(Ordering::SeqCst), b.load(Ordering::SeqCst));
- assert_eq!(std::format!("{:?}", a), std::format!("{:?}", a.load(Ordering::SeqCst)));
- assert_eq!(std::format!("{:p}", a), std::format!("{:p}", a.load(Ordering::SeqCst)));
-
- unsafe {
- let ptr: *mut Align16<*mut u8> = Box::into_raw(Box::new(Align16(ptr::null_mut())));
- assert!(ptr as usize % mem::align_of::<$atomic_type>() == 0);
- {
- let a = <$atomic_type>::from_ptr(ptr.cast::<*mut u8>());
- *a.as_ptr() = ptr::null_mut::<u8>().wrapping_add(1);
- }
- assert_eq!((*ptr).0, ptr::null_mut::<u8>().wrapping_add(1));
- drop(Box::from_raw(ptr));
- }
- }
- // https://github.com/rust-lang/rust/blob/1.70.0/library/core/tests/atomic.rs#L130-L213
- #[test]
- fn ptr_add_null() {
- let atom = AtomicPtr::<i64>::new(core::ptr::null_mut());
- assert_eq!(atom.fetch_ptr_add(1, Ordering::SeqCst).addr(), 0);
- assert_eq!(atom.load(Ordering::SeqCst).addr(), 8);
-
- assert_eq!(atom.fetch_byte_add(1, Ordering::SeqCst).addr(), 8);
- assert_eq!(atom.load(Ordering::SeqCst).addr(), 9);
-
- assert_eq!(atom.fetch_ptr_sub(1, Ordering::SeqCst).addr(), 9);
- assert_eq!(atom.load(Ordering::SeqCst).addr(), 1);
-
- assert_eq!(atom.fetch_byte_sub(1, Ordering::SeqCst).addr(), 1);
- assert_eq!(atom.load(Ordering::SeqCst).addr(), 0);
- }
- #[test]
- fn ptr_add_data() {
- let num = 0i64;
- let n = &num as *const i64 as *mut _;
- let atom = AtomicPtr::<i64>::new(n);
- assert_eq!(atom.fetch_ptr_add(1, Ordering::SeqCst), n);
- assert_eq!(atom.load(Ordering::SeqCst), n.wrapping_add(1));
-
- assert_eq!(atom.fetch_ptr_sub(1, Ordering::SeqCst), n.wrapping_add(1));
- assert_eq!(atom.load(Ordering::SeqCst), n);
- let bytes_from_n = |b| n.cast::<u8>().wrapping_add(b).cast::<i64>();
-
- assert_eq!(atom.fetch_byte_add(1, Ordering::SeqCst), n);
- assert_eq!(atom.load(Ordering::SeqCst), bytes_from_n(1));
-
- assert_eq!(atom.fetch_byte_add(5, Ordering::SeqCst), bytes_from_n(1));
- assert_eq!(atom.load(Ordering::SeqCst), bytes_from_n(6));
-
- assert_eq!(atom.fetch_byte_sub(1, Ordering::SeqCst), bytes_from_n(6));
- assert_eq!(atom.load(Ordering::SeqCst), bytes_from_n(5));
-
- assert_eq!(atom.fetch_byte_sub(5, Ordering::SeqCst), bytes_from_n(5));
- assert_eq!(atom.load(Ordering::SeqCst), n);
- }
- #[test]
- fn ptr_bitops() {
- let atom = AtomicPtr::<i64>::new(core::ptr::null_mut());
- assert_eq!(atom.fetch_or(0b0111, Ordering::SeqCst).addr(), 0);
- assert_eq!(atom.load(Ordering::SeqCst).addr(), 0b0111);
-
- assert_eq!(atom.fetch_and(0b1101, Ordering::SeqCst).addr(), 0b0111);
- assert_eq!(atom.load(Ordering::SeqCst).addr(), 0b0101);
-
- assert_eq!(atom.fetch_xor(0b1111, Ordering::SeqCst).addr(), 0b0101);
- assert_eq!(atom.load(Ordering::SeqCst).addr(), 0b1010);
- }
- #[test]
- fn ptr_bitops_tagging() {
- const MASK_TAG: usize = 0b1111;
- const MASK_PTR: usize = !MASK_TAG;
-
- #[repr(align(16))]
- struct Tagme(u128);
-
- let tagme = Tagme(1000);
- let ptr = &tagme as *const Tagme as *mut Tagme;
- let atom: AtomicPtr<Tagme> = AtomicPtr::new(ptr);
-
- assert_eq!(ptr.addr() & MASK_TAG, 0);
-
- assert_eq!(atom.fetch_or(0b0111, Ordering::SeqCst), ptr);
- assert_eq!(atom.load(Ordering::SeqCst), ptr.map_addr(|a| a | 0b111));
-
- assert_eq!(
- atom.fetch_and(MASK_PTR | 0b0010, Ordering::SeqCst),
- ptr.map_addr(|a| a | 0b111)
- );
- assert_eq!(atom.load(Ordering::SeqCst), ptr.map_addr(|a| a | 0b0010));
-
- assert_eq!(atom.fetch_xor(0b1011, Ordering::SeqCst), ptr.map_addr(|a| a | 0b0010));
- assert_eq!(atom.load(Ordering::SeqCst), ptr.map_addr(|a| a | 0b1001));
-
- assert_eq!(atom.fetch_and(MASK_PTR, Ordering::SeqCst), ptr.map_addr(|a| a | 0b1001));
- assert_eq!(atom.load(Ordering::SeqCst), ptr);
- }
- #[test]
- fn bit_set() {
- let a = <$atomic_type>::new(ptr::null_mut::<u64>().cast::<u8>().map_addr(|a| a | 1));
- test_swap_ordering(|order| assert!(a.bit_set(0, order)));
- for &order in &test_helper::SWAP_ORDERINGS {
- let pointer = &mut 1u64 as *mut u64 as *mut u8;
- let atom = <$atomic_type>::new(pointer);
- // Tag the bottom bit of the pointer.
- assert!(!atom.bit_set(0, order));
- // Extract and untag.
- let tagged = atom.load(Ordering::Relaxed);
- assert_eq!(tagged.addr() & 1, 1);
- assert_eq!(tagged.map_addr(|p| p & !1), pointer);
- }
- }
- #[test]
- fn bit_clear() {
- let a = <$atomic_type>::new(ptr::null_mut::<u64>().cast::<u8>());
- test_swap_ordering(|order| assert!(!a.bit_clear(0, order)));
- for &order in &test_helper::SWAP_ORDERINGS {
- let pointer = &mut 1u64 as *mut u64 as *mut u8;
- // A tagged pointer
- let atom = <$atomic_type>::new(pointer.map_addr(|a| a | 1));
- assert!(atom.bit_set(0, order));
- // Untag
- assert!(atom.bit_clear(0, order));
- }
- }
- #[test]
- fn bit_toggle() {
- let a = <$atomic_type>::new(ptr::null_mut::<u64>().cast::<u8>());
- test_swap_ordering(|order| a.bit_toggle(0, order));
- for &order in &test_helper::SWAP_ORDERINGS {
- let pointer = &mut 1u64 as *mut u64 as *mut u8;
- let atom = <$atomic_type>::new(pointer);
- // Toggle a tag bit on the pointer.
- atom.bit_toggle(0, order);
- assert_eq!(atom.load(Ordering::Relaxed).addr() & 1, 1);
- }
- }
- };
-}
-
-macro_rules! test_atomic_int_load_store {
- ($int_type:ident) => {
- paste::paste! {
- #[allow(
- clippy::alloc_instead_of_core,
- clippy::std_instead_of_alloc,
- clippy::std_instead_of_core,
- clippy::undocumented_unsafe_blocks
- )]
- mod [<test_atomic_ $int_type>] {
- use super::*;
- __test_atomic_int_load_store!([<Atomic $int_type:camel>], $int_type);
- }
- }
- };
-}
-macro_rules! test_atomic_bool_load_store {
- () => {
- #[allow(
- clippy::alloc_instead_of_core,
- clippy::std_instead_of_alloc,
- clippy::std_instead_of_core,
- clippy::undocumented_unsafe_blocks
- )]
- mod test_atomic_bool {
- use super::*;
- __test_atomic_bool_load_store!(AtomicBool);
- }
- };
-}
-macro_rules! test_atomic_ptr_load_store {
- () => {
- #[allow(
- clippy::alloc_instead_of_core,
- clippy::std_instead_of_alloc,
- clippy::std_instead_of_core,
- clippy::undocumented_unsafe_blocks
- )]
- mod test_atomic_ptr {
- use super::*;
- __test_atomic_ptr_load_store!(AtomicPtr<u8>);
- }
- };
-}
-
-macro_rules! test_atomic_int_single_thread {
- ($int_type:ident) => {
- paste::paste! {
- #[allow(
- clippy::alloc_instead_of_core,
- clippy::std_instead_of_alloc,
- clippy::std_instead_of_core,
- clippy::undocumented_unsafe_blocks
- )]
- mod [<test_atomic_ $int_type>] {
- use super::*;
- __test_atomic_int_load_store!([<Atomic $int_type:camel>], $int_type, single_thread);
- __test_atomic_int!([<Atomic $int_type:camel>], $int_type, single_thread);
- }
- }
- };
-}
-macro_rules! test_atomic_bool_single_thread {
- () => {
- #[allow(
- clippy::alloc_instead_of_core,
- clippy::std_instead_of_alloc,
- clippy::std_instead_of_core,
- clippy::undocumented_unsafe_blocks
- )]
- mod test_atomic_bool {
- use super::*;
- __test_atomic_bool_load_store!(AtomicBool, single_thread);
- __test_atomic_bool!(AtomicBool, single_thread);
- }
- };
-}
-macro_rules! test_atomic_ptr_single_thread {
- () => {
- #[allow(
- clippy::alloc_instead_of_core,
- clippy::std_instead_of_alloc,
- clippy::std_instead_of_core,
- clippy::undocumented_unsafe_blocks
- )]
- mod test_atomic_ptr {
- use super::*;
- __test_atomic_ptr_load_store!(AtomicPtr<u8>, single_thread);
- __test_atomic_ptr!(AtomicPtr<u8>, single_thread);
- }
- };
-}
-
-macro_rules! test_atomic_int {
- ($int_type:ident) => {
- paste::paste! {
- #[allow(
- clippy::alloc_instead_of_core,
- clippy::std_instead_of_alloc,
- clippy::std_instead_of_core,
- clippy::undocumented_unsafe_blocks
- )]
- mod [<test_atomic_ $int_type>] {
- use super::*;
- __test_atomic_int_load_store!([<Atomic $int_type:camel>], $int_type);
- __test_atomic_int!([<Atomic $int_type:camel>], $int_type);
- }
- }
- };
-}
-macro_rules! test_atomic_bool {
- () => {
- #[allow(
- clippy::alloc_instead_of_core,
- clippy::std_instead_of_alloc,
- clippy::std_instead_of_core,
- clippy::undocumented_unsafe_blocks
- )]
- mod test_atomic_bool {
- use super::*;
- __test_atomic_bool_load_store!(AtomicBool);
- __test_atomic_bool!(AtomicBool);
- }
- };
-}
-macro_rules! test_atomic_ptr {
- () => {
- #[allow(
- clippy::alloc_instead_of_core,
- clippy::std_instead_of_alloc,
- clippy::std_instead_of_core,
- clippy::undocumented_unsafe_blocks
- )]
- #[allow(unstable_name_collisions)] // for sptr crate
- mod test_atomic_ptr {
- use super::*;
- __test_atomic_ptr_load_store!(AtomicPtr<u8>);
- __test_atomic_ptr!(AtomicPtr<u8>);
- }
- };
-}
-
-macro_rules! test_atomic_int_pub {
- ($int_type:ident) => {
- paste::paste! {
- #[allow(
- clippy::alloc_instead_of_core,
- clippy::std_instead_of_alloc,
- clippy::std_instead_of_core,
- clippy::undocumented_unsafe_blocks
- )]
- mod [<test_atomic_ $int_type>] {
- use super::*;
- __test_atomic_int_load_store!([<Atomic $int_type:camel>], $int_type);
- __test_atomic_int!([<Atomic $int_type:camel>], $int_type);
- __test_atomic_int_load_store_pub!([<Atomic $int_type:camel>], $int_type);
- __test_atomic_int_pub!([<Atomic $int_type:camel>], $int_type);
- }
- }
- };
-}
-macro_rules! test_atomic_int_load_store_pub {
- ($int_type:ident) => {
- paste::paste! {
- #[allow(
- clippy::alloc_instead_of_core,
- clippy::std_instead_of_alloc,
- clippy::std_instead_of_core,
- clippy::undocumented_unsafe_blocks
- )]
- mod [<test_atomic_ $int_type>] {
- use super::*;
- __test_atomic_int_load_store!([<Atomic $int_type:camel>], $int_type);
- __test_atomic_int_load_store_pub!([<Atomic $int_type:camel>], $int_type);
- }
- }
- };
-}
-#[cfg(feature = "float")]
-macro_rules! test_atomic_float_pub {
- ($float_type:ident) => {
- paste::paste! {
- #[allow(
- clippy::alloc_instead_of_core,
- clippy::std_instead_of_alloc,
- clippy::std_instead_of_core,
- clippy::undocumented_unsafe_blocks
- )]
- mod [<test_atomic_ $float_type>] {
- use super::*;
- __test_atomic_float_load_store!([<Atomic $float_type:camel>], $float_type);
- __test_atomic_float!([<Atomic $float_type:camel>], $float_type);
- __test_atomic_float_pub!([<Atomic $float_type:camel>], $float_type);
- }
- }
- };
-}
-macro_rules! test_atomic_bool_pub {
- () => {
- #[allow(
- clippy::alloc_instead_of_core,
- clippy::std_instead_of_alloc,
- clippy::std_instead_of_core,
- clippy::undocumented_unsafe_blocks
- )]
- mod test_atomic_bool {
- use super::*;
- __test_atomic_bool_load_store!(AtomicBool);
- __test_atomic_bool!(AtomicBool);
- __test_atomic_bool_pub!(AtomicBool);
- }
- };
-}
-macro_rules! test_atomic_ptr_pub {
- () => {
- #[allow(
- clippy::alloc_instead_of_core,
- clippy::std_instead_of_alloc,
- clippy::std_instead_of_core,
- clippy::undocumented_unsafe_blocks
- )]
- #[allow(unstable_name_collisions)] // for sptr crate
- mod test_atomic_ptr {
- use super::*;
- __test_atomic_ptr_load_store!(AtomicPtr<u8>);
- __test_atomic_ptr!(AtomicPtr<u8>);
- __test_atomic_ptr_pub!(AtomicPtr<u8>);
- }
- };
-}
-
-// Asserts that `$a` and `$b` have performed equivalent operations.
-#[cfg(feature = "float")]
-macro_rules! assert_float_op_eq {
- ($a:expr, $b:expr $(,)?) => {{
- // See also:
- // - https://github.com/rust-lang/unsafe-code-guidelines/issues/237.
- // - https://github.com/rust-lang/portable-simd/issues/39.
- let a = $a;
- let b = $b;
- if a.is_nan() && b.is_nan() // don't check sign of NaN: https://github.com/rust-lang/rust/issues/55131
- || a.is_infinite()
- && b.is_infinite()
- && a.is_sign_positive() == b.is_sign_positive()
- && a.is_sign_negative() == b.is_sign_negative()
- {
- // ok
- } else {
- assert_eq!(a, b);
- }
- }};
-}
-
-#[allow(clippy::disallowed_methods)] // set_var/remove_var is fine as we run tests with RUST_TEST_THREADS=1
-#[cfg_attr(not(portable_atomic_no_track_caller), track_caller)]
-pub(crate) fn assert_panic<T: std::fmt::Debug>(f: impl FnOnce() -> T) -> std::string::String {
- let backtrace = std::env::var_os("RUST_BACKTRACE");
- let hook = std::panic::take_hook();
- std::env::set_var("RUST_BACKTRACE", "0"); // Suppress backtrace
- std::panic::set_hook(std::boxed::Box::new(|_| {})); // Suppress panic msg
- let res = std::panic::catch_unwind(std::panic::AssertUnwindSafe(f));
- std::panic::set_hook(hook);
- match backtrace {
- Some(v) => std::env::set_var("RUST_BACKTRACE", v),
- None => std::env::remove_var("RUST_BACKTRACE"),
- }
- let msg = res.unwrap_err();
- msg.downcast_ref::<std::string::String>()
- .cloned()
- .unwrap_or_else(|| msg.downcast_ref::<&'static str>().copied().unwrap().into())
-}
-pub(crate) fn rand_load_ordering() -> Ordering {
- test_helper::LOAD_ORDERINGS[fastrand::usize(0..test_helper::LOAD_ORDERINGS.len())]
-}
-pub(crate) fn test_load_ordering<T: std::fmt::Debug>(f: impl Fn(Ordering) -> T) {
- for &order in &test_helper::LOAD_ORDERINGS {
- f(order);
- }
-
- if !skip_should_panic_test() {
- assert_eq!(
- assert_panic(|| f(Ordering::Release)),
- "there is no such thing as a release load"
- );
- assert_eq!(
- assert_panic(|| f(Ordering::AcqRel)),
- "there is no such thing as an acquire-release load"
- );
- }
-}
-pub(crate) fn rand_store_ordering() -> Ordering {
- test_helper::STORE_ORDERINGS[fastrand::usize(0..test_helper::STORE_ORDERINGS.len())]
-}
-pub(crate) fn test_store_ordering<T: std::fmt::Debug>(f: impl Fn(Ordering) -> T) {
- for &order in &test_helper::STORE_ORDERINGS {
- f(order);
- }
-
- if !skip_should_panic_test() {
- assert_eq!(
- assert_panic(|| f(Ordering::Acquire)),
- "there is no such thing as an acquire store"
- );
- assert_eq!(
- assert_panic(|| f(Ordering::AcqRel)),
- "there is no such thing as an acquire-release store"
- );
- }
-}
-pub(crate) fn rand_compare_exchange_ordering() -> (Ordering, Ordering) {
- test_helper::COMPARE_EXCHANGE_ORDERINGS
- [fastrand::usize(0..test_helper::COMPARE_EXCHANGE_ORDERINGS.len())]
-}
-pub(crate) fn test_compare_exchange_ordering<T: std::fmt::Debug>(
- f: impl Fn(Ordering, Ordering) -> T,
-) {
- for &(success, failure) in &test_helper::COMPARE_EXCHANGE_ORDERINGS {
- f(success, failure);
- }
-
- if !skip_should_panic_test() {
- for &order in &test_helper::SWAP_ORDERINGS {
- let msg = assert_panic(|| f(order, Ordering::AcqRel));
- assert!(
- msg == "there is no such thing as an acquire-release failure ordering"
- || msg == "there is no such thing as an acquire-release load",
- "{}",
- msg
- );
- let msg = assert_panic(|| f(order, Ordering::Release));
- assert!(
- msg == "there is no such thing as a release failure ordering"
- || msg == "there is no such thing as a release load",
- "{}",
- msg
- );
- }
- }
-}
-pub(crate) fn rand_swap_ordering() -> Ordering {
- test_helper::SWAP_ORDERINGS[fastrand::usize(0..test_helper::SWAP_ORDERINGS.len())]
-}
-pub(crate) fn test_swap_ordering<T: std::fmt::Debug>(f: impl Fn(Ordering) -> T) {
- for &order in &test_helper::SWAP_ORDERINGS {
- f(order);
- }
-}
-// for stress test generated by __test_atomic_* macros
-pub(crate) fn stress_test_config() -> (usize, usize) {
- let iterations = if cfg!(miri) {
- 50
- } else if cfg!(debug_assertions) {
- 5_000
- } else {
- 25_000
- };
- let threads = if cfg!(debug_assertions) { 2 } else { fastrand::usize(2..=8) };
- std::eprintln!("threads={}", threads);
- (iterations, threads)
-}
-fn skip_should_panic_test() -> bool {
- // Miri's panic handling is slow
- // MSAN false positive: https://gist.github.com/taiki-e/dd6269a8ffec46284fdc764a4849f884
- is_panic_abort()
- || cfg!(miri)
- || option_env!("CARGO_PROFILE_RELEASE_LTO").map_or(false, |v| v == "fat")
- && build_context::SANITIZE.contains("memory")
-}
-
-// For -C panic=abort -Z panic_abort_tests: https://github.com/rust-lang/rust/issues/67650
-fn is_panic_abort() -> bool {
- build_context::PANIC.contains("abort")
-}
-
-#[repr(C, align(16))]
-pub(crate) struct Align16<T>(pub(crate) T);
-
-// Test the cases that should not fail if the memory ordering is implemented correctly.
-// This is still not exhaustive and only tests a few cases.
-// This currently only supports 32-bit or more integers.
-macro_rules! __stress_test_acquire_release {
- (should_pass, $int_type:ident, $write:ident, $load_order:ident, $store_order:ident) => {
- paste::paste! {
- #[test]
- fn [<load_ $load_order:lower _ $write _ $store_order:lower>]() {
- __stress_test_acquire_release!([<Atomic $int_type:camel>],
- $int_type, $write, $load_order, $store_order);
- }
- }
- };
- (can_panic, $int_type:ident, $write:ident, $load_order:ident, $store_order:ident) => {
- paste::paste! {
- // Currently, to make this test work well enough outside of Miri, tens of thousands
- // of iterations are needed, but this test is slow in some environments.
- // So, ignore on non-Miri environments by default. See also catch_unwind_on_weak_memory_arch.
- #[test]
- #[cfg_attr(not(miri), ignore)]
- fn [<load_ $load_order:lower _ $write _ $store_order:lower>]() {
- can_panic("a=", || __stress_test_acquire_release!([<Atomic $int_type:camel>],
- $int_type, $write, $load_order, $store_order));
- }
- }
- };
- ($atomic_type:ident, $int_type:ident, $write:ident, $load_order:ident, $store_order:ident) => {{
- use super::*;
- use crossbeam_utils::thread;
- use std::{
- convert::TryFrom,
- sync::atomic::{AtomicUsize, Ordering},
- };
- let mut n: usize = if cfg!(miri) { 10 } else { 50_000 };
- // This test is relatively fast because it spawns only one thread, but
- // the iterations are limited to a maximum value of integers.
- if $int_type::try_from(n).is_err() {
- n = $int_type::MAX as usize;
- }
- let a = &$atomic_type::new(0);
- let b = &AtomicUsize::new(0);
- thread::scope(|s| {
- s.spawn(|_| {
- for i in 0..n {
- b.store(i, Ordering::Relaxed);
- a.$write(i as _, Ordering::$store_order);
- }
- });
- loop {
- let a = a.load(Ordering::$load_order);
- let b = b.load(Ordering::Relaxed);
- assert!(a as usize <= b, "a={},b={}", a, b);
- if a as usize == n - 1 {
- break;
- }
- }
- })
- .unwrap();
- }};
-}
-macro_rules! __stress_test_seqcst {
- (should_pass, $int_type:ident, $write:ident, $load_order:ident, $store_order:ident) => {
- paste::paste! {
- // Currently, to make this test work well enough outside of Miri, tens of thousands
- // of iterations are needed, but this test is very slow in some environments because
- // it creates two threads for each iteration.
- // So, ignore on QEMU by default.
- #[test]
- #[cfg_attr(qemu, ignore)]
- fn [<load_ $load_order:lower _ $write _ $store_order:lower>]() {
- __stress_test_seqcst!([<Atomic $int_type:camel>],
- $write, $load_order, $store_order);
- }
- }
- };
- (can_panic, $int_type:ident, $write:ident, $load_order:ident, $store_order:ident) => {
- paste::paste! {
- // Currently, to make this test work well enough outside of Miri, tens of thousands
- // of iterations are needed, but this test is very slow in some environments because
- // it creates two threads for each iteration.
- // So, ignore on non-Miri environments by default. See also catch_unwind_on_non_seqcst_arch.
- #[test]
- #[cfg_attr(not(miri), ignore)]
- fn [<load_ $load_order:lower _ $write _ $store_order:lower>]() {
- can_panic("c=2", || __stress_test_seqcst!([<Atomic $int_type:camel>],
- $write, $load_order, $store_order));
- }
- }
- };
- ($atomic_type:ident, $write:ident, $load_order:ident, $store_order:ident) => {{
- use super::*;
- use crossbeam_utils::thread;
- use std::sync::atomic::{AtomicUsize, Ordering};
- let n: usize = if cfg!(miri) {
- 8
- } else if cfg!(valgrind)
- || build_context::SANITIZE.contains("address")
- || build_context::SANITIZE.contains("memory")
- {
- 50
- } else if option_env!("GITHUB_ACTIONS").is_some() && cfg!(not(target_os = "linux")) {
- // GitHub Actions' macOS and Windows runners are slow.
- 5_000
- } else {
- 50_000
- };
- let a = &$atomic_type::new(0);
- let b = &$atomic_type::new(0);
- let c = &AtomicUsize::new(0);
- let ready = &AtomicUsize::new(0);
- thread::scope(|s| {
- for n in 0..n {
- a.store(0, Ordering::Relaxed);
- b.store(0, Ordering::Relaxed);
- c.store(0, Ordering::Relaxed);
- let h_a = s.spawn(|_| {
- while ready.load(Ordering::Relaxed) == 0 {}
- a.$write(1, Ordering::$store_order);
- if b.load(Ordering::$load_order) == 0 {
- c.fetch_add(1, Ordering::Relaxed);
- }
- });
- let h_b = s.spawn(|_| {
- while ready.load(Ordering::Relaxed) == 0 {}
- b.$write(1, Ordering::$store_order);
- if a.load(Ordering::$load_order) == 0 {
- c.fetch_add(1, Ordering::Relaxed);
- }
- });
- ready.store(1, Ordering::Relaxed);
- h_a.join().unwrap();
- h_b.join().unwrap();
- let c = c.load(Ordering::Relaxed);
- assert!(c == 0 || c == 1, "c={},n={}", c, n);
- }
- })
- .unwrap();
- }};
-}
-// Catches unwinding panic on architectures with weak memory models.
-#[allow(dead_code, clippy::used_underscore_binding)]
-pub(crate) fn catch_unwind_on_weak_memory_arch(pat: &str, f: impl Fn()) {
- // With x86 TSO, RISC-V TSO (optional, not default), SPARC TSO (optional, default),
- // and IBM-370 memory models should never be a panic here.
- // Miri emulates weak memory models regardless of target architectures.
- if cfg!(all(
- any(
- target_arch = "x86",
- target_arch = "x86_64",
- target_arch = "s390x",
- target_arch = "sparc",
- target_arch = "sparc64",
- ),
- not(any(miri)),
- )) {
- f();
- } else if !is_panic_abort() {
- // This could be is_err on architectures with weak memory models.
- // However, this does not necessarily mean that it will always be panic,
- // and implementing it with stronger orderings is also okay.
- match std::panic::catch_unwind(std::panic::AssertUnwindSafe(f)) {
- Ok(()) => {
- // panic!();
- }
- Err(msg) => {
- let msg = msg
- .downcast_ref::<std::string::String>()
- .cloned()
- .unwrap_or_else(|| msg.downcast_ref::<&'static str>().copied().unwrap().into());
- assert!(msg.contains(pat), "{}", msg);
- }
- }
- }
-}
-// Catches unwinding panic on architectures with non-sequentially consistent memory models.
-#[allow(dead_code, clippy::used_underscore_binding)]
-pub(crate) fn catch_unwind_on_non_seqcst_arch(pat: &str, f: impl Fn()) {
- if !is_panic_abort() {
- // This could be Err on architectures with non-sequentially consistent memory models.
- // However, this does not necessarily mean that it will always be panic,
- // and implementing it with stronger orderings is also okay.
- match std::panic::catch_unwind(std::panic::AssertUnwindSafe(f)) {
- Ok(()) => {
- // panic!();
- }
- Err(msg) => {
- let msg = msg
- .downcast_ref::<std::string::String>()
- .cloned()
- .unwrap_or_else(|| msg.downcast_ref::<&'static str>().copied().unwrap().into());
- assert!(msg.contains(pat), "{}", msg);
- }
- }
- }
-}
-macro_rules! stress_test_load_store {
- ($int_type:ident) => {
- // debug mode is slow.
- #[cfg(any(not(debug_assertions), miri))]
- paste::paste! {
- #[allow(
- clippy::alloc_instead_of_core,
- clippy::std_instead_of_alloc,
- clippy::std_instead_of_core,
- clippy::undocumented_unsafe_blocks
- )]
- mod [<stress_acquire_release_load_store_ $int_type>] {
- use crate::tests::helper::catch_unwind_on_weak_memory_arch as can_panic;
- __stress_test_acquire_release!(can_panic, $int_type, store, Relaxed, Relaxed);
- __stress_test_acquire_release!(can_panic, $int_type, store, Relaxed, Release);
- __stress_test_acquire_release!(can_panic, $int_type, store, Relaxed, SeqCst);
- __stress_test_acquire_release!(can_panic, $int_type, store, Acquire, Relaxed);
- __stress_test_acquire_release!(should_pass, $int_type, store, Acquire, Release);
- __stress_test_acquire_release!(should_pass, $int_type, store, Acquire, SeqCst);
- __stress_test_acquire_release!(can_panic, $int_type, store, SeqCst, Relaxed);
- __stress_test_acquire_release!(should_pass, $int_type, store, SeqCst, Release);
- __stress_test_acquire_release!(should_pass, $int_type, store, SeqCst, SeqCst);
- }
- #[allow(
- clippy::alloc_instead_of_core,
- clippy::std_instead_of_alloc,
- clippy::std_instead_of_core,
- clippy::undocumented_unsafe_blocks
- )]
- mod [<stress_seqcst_load_store_ $int_type>] {
- use crate::tests::helper::catch_unwind_on_non_seqcst_arch as can_panic;
- __stress_test_seqcst!(can_panic, $int_type, store, Relaxed, Relaxed);
- __stress_test_seqcst!(can_panic, $int_type, store, Relaxed, Release);
- __stress_test_seqcst!(can_panic, $int_type, store, Relaxed, SeqCst);
- __stress_test_seqcst!(can_panic, $int_type, store, Acquire, Relaxed);
- __stress_test_seqcst!(can_panic, $int_type, store, Acquire, Release);
- __stress_test_seqcst!(can_panic, $int_type, store, Acquire, SeqCst);
- __stress_test_seqcst!(can_panic, $int_type, store, SeqCst, Relaxed);
- __stress_test_seqcst!(can_panic, $int_type, store, SeqCst, Release);
- __stress_test_seqcst!(should_pass, $int_type, store, SeqCst, SeqCst);
- }
- }
- };
-}
-macro_rules! stress_test {
- ($int_type:ident) => {
- stress_test_load_store!($int_type);
- // debug mode is slow.
- #[cfg(any(not(debug_assertions), miri))]
- paste::paste! {
- #[allow(
- clippy::alloc_instead_of_core,
- clippy::std_instead_of_alloc,
- clippy::std_instead_of_core,
- clippy::undocumented_unsafe_blocks
- )]
- mod [<stress_acquire_release_load_swap_ $int_type>] {
- use crate::tests::helper::catch_unwind_on_weak_memory_arch as can_panic;
- __stress_test_acquire_release!(can_panic, $int_type, swap, Relaxed, Relaxed);
- __stress_test_acquire_release!(can_panic, $int_type, swap, Relaxed, Acquire);
- __stress_test_acquire_release!(can_panic, $int_type, swap, Relaxed, Release);
- __stress_test_acquire_release!(can_panic, $int_type, swap, Relaxed, AcqRel);
- __stress_test_acquire_release!(can_panic, $int_type, swap, Relaxed, SeqCst);
- __stress_test_acquire_release!(can_panic, $int_type, swap, Acquire, Relaxed);
- __stress_test_acquire_release!(can_panic, $int_type, swap, Acquire, Acquire);
- __stress_test_acquire_release!(should_pass, $int_type, swap, Acquire, Release);
- __stress_test_acquire_release!(should_pass, $int_type, swap, Acquire, AcqRel);
- __stress_test_acquire_release!(should_pass, $int_type, swap, Acquire, SeqCst);
- __stress_test_acquire_release!(can_panic, $int_type, swap, SeqCst, Relaxed);
- __stress_test_acquire_release!(can_panic, $int_type, swap, SeqCst, Acquire);
- __stress_test_acquire_release!(should_pass, $int_type, swap, SeqCst, Release);
- __stress_test_acquire_release!(should_pass, $int_type, swap, SeqCst, AcqRel);
- __stress_test_acquire_release!(should_pass, $int_type, swap, SeqCst, SeqCst);
- }
- #[allow(
- clippy::alloc_instead_of_core,
- clippy::std_instead_of_alloc,
- clippy::std_instead_of_core,
- clippy::undocumented_unsafe_blocks
- )]
- mod [<stress_seqcst_load_swap_ $int_type>] {
- use crate::tests::helper::catch_unwind_on_non_seqcst_arch as can_panic;
- __stress_test_seqcst!(can_panic, $int_type, swap, Relaxed, Relaxed);
- __stress_test_seqcst!(can_panic, $int_type, swap, Relaxed, Acquire);
- __stress_test_seqcst!(can_panic, $int_type, swap, Relaxed, Release);
- __stress_test_seqcst!(can_panic, $int_type, swap, Relaxed, AcqRel);
- __stress_test_seqcst!(can_panic, $int_type, swap, Relaxed, SeqCst);
- __stress_test_seqcst!(can_panic, $int_type, swap, Acquire, Relaxed);
- __stress_test_seqcst!(can_panic, $int_type, swap, Acquire, Acquire);
- __stress_test_seqcst!(can_panic, $int_type, swap, Acquire, Release);
- __stress_test_seqcst!(can_panic, $int_type, swap, Acquire, AcqRel);
- __stress_test_seqcst!(can_panic, $int_type, swap, Acquire, SeqCst);
- __stress_test_seqcst!(can_panic, $int_type, swap, SeqCst, Relaxed);
- __stress_test_seqcst!(can_panic, $int_type, swap, SeqCst, Acquire);
- __stress_test_seqcst!(can_panic, $int_type, swap, SeqCst, Release);
- __stress_test_seqcst!(can_panic, $int_type, swap, SeqCst, AcqRel);
- __stress_test_seqcst!(should_pass, $int_type, swap, SeqCst, SeqCst);
- }
- }
- };
-}
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