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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/once_cell/tests/it/unsync_lazy.rs
parent3d48cd3f81164bbfc1a755dc1d4a9a02f98c8ddd (diff)
downloadfparkan-a990de90fe41456a23e58bd087d2f107d321f3a1.tar.xz
fparkan-a990de90fe41456a23e58bd087d2f107d321f3a1.zip
Deleted vendor folder
Diffstat (limited to 'vendor/once_cell/tests/it/unsync_lazy.rs')
-rw-r--r--vendor/once_cell/tests/it/unsync_lazy.rs134
1 files changed, 0 insertions, 134 deletions
diff --git a/vendor/once_cell/tests/it/unsync_lazy.rs b/vendor/once_cell/tests/it/unsync_lazy.rs
deleted file mode 100644
index 0c308ca..0000000
--- a/vendor/once_cell/tests/it/unsync_lazy.rs
+++ /dev/null
@@ -1,134 +0,0 @@
-use core::{
- cell::Cell,
- sync::atomic::{AtomicUsize, Ordering::SeqCst},
-};
-
-use once_cell::unsync::Lazy;
-
-#[test]
-fn lazy_new() {
- let called = Cell::new(0);
- let x = Lazy::new(|| {
- called.set(called.get() + 1);
- 92
- });
-
- assert_eq!(called.get(), 0);
-
- let y = *x - 30;
- assert_eq!(y, 62);
- assert_eq!(called.get(), 1);
-
- let y = *x - 30;
- assert_eq!(y, 62);
- assert_eq!(called.get(), 1);
-}
-
-#[test]
-fn lazy_deref_mut() {
- let called = Cell::new(0);
- let mut x = Lazy::new(|| {
- called.set(called.get() + 1);
- 92
- });
-
- assert_eq!(called.get(), 0);
-
- let y = *x - 30;
- assert_eq!(y, 62);
- assert_eq!(called.get(), 1);
-
- *x /= 2;
- assert_eq!(*x, 46);
- assert_eq!(called.get(), 1);
-}
-
-#[test]
-fn lazy_force_mut() {
- let called = Cell::new(0);
- let mut x = Lazy::new(|| {
- called.set(called.get() + 1);
- 92
- });
- assert_eq!(called.get(), 0);
- let v = Lazy::force_mut(&mut x);
- assert_eq!(called.get(), 1);
-
- *v /= 2;
- assert_eq!(*x, 46);
- assert_eq!(called.get(), 1);
-}
-
-#[test]
-fn lazy_get_mut() {
- let called = Cell::new(0);
- let mut x: Lazy<u32, _> = Lazy::new(|| {
- called.set(called.get() + 1);
- 92
- });
-
- assert_eq!(called.get(), 0);
- assert_eq!(*x, 92);
-
- let mut_ref: &mut u32 = Lazy::get_mut(&mut x).unwrap();
- assert_eq!(called.get(), 1);
-
- *mut_ref /= 2;
- assert_eq!(*x, 46);
- assert_eq!(called.get(), 1);
-}
-
-#[test]
-fn lazy_default() {
- static CALLED: AtomicUsize = AtomicUsize::new(0);
-
- struct Foo(u8);
- impl Default for Foo {
- fn default() -> Self {
- CALLED.fetch_add(1, SeqCst);
- Foo(42)
- }
- }
-
- let lazy: Lazy<std::sync::Mutex<Foo>> = <_>::default();
-
- assert_eq!(CALLED.load(SeqCst), 0);
-
- assert_eq!(lazy.lock().unwrap().0, 42);
- assert_eq!(CALLED.load(SeqCst), 1);
-
- lazy.lock().unwrap().0 = 21;
-
- assert_eq!(lazy.lock().unwrap().0, 21);
- assert_eq!(CALLED.load(SeqCst), 1);
-}
-
-#[test]
-fn lazy_into_value() {
- let l: Lazy<i32, _> = Lazy::new(|| panic!());
- assert!(matches!(Lazy::into_value(l), Err(_)));
- let l = Lazy::new(|| -> i32 { 92 });
- Lazy::force(&l);
- assert!(matches!(Lazy::into_value(l), Ok(92)));
-}
-
-#[test]
-#[cfg(feature = "std")]
-fn lazy_poisoning() {
- let x: Lazy<String> = Lazy::new(|| panic!("kaboom"));
- for _ in 0..2 {
- let res = std::panic::catch_unwind(|| x.len());
- assert!(res.is_err());
- }
-}
-
-#[test]
-// https://github.com/rust-lang/rust/issues/34761#issuecomment-256320669
-fn arrrrrrrrrrrrrrrrrrrrrr() {
- let lazy: Lazy<&String, _>;
- {
- let s = String::new();
- lazy = Lazy::new(|| &s);
- _ = *lazy;
- }
-}