aboutsummaryrefslogtreecommitdiff
path: root/vendor/rayon-core/src/spawn/test.rs
diff options
context:
space:
mode:
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/rayon-core/src/spawn/test.rs
parent3d48cd3f81164bbfc1a755dc1d4a9a02f98c8ddd (diff)
downloadfparkan-a990de90fe41456a23e58bd087d2f107d321f3a1.tar.xz
fparkan-a990de90fe41456a23e58bd087d2f107d321f3a1.zip
Deleted vendor folder
Diffstat (limited to 'vendor/rayon-core/src/spawn/test.rs')
-rw-r--r--vendor/rayon-core/src/spawn/test.rs255
1 files changed, 0 insertions, 255 deletions
diff --git a/vendor/rayon-core/src/spawn/test.rs b/vendor/rayon-core/src/spawn/test.rs
deleted file mode 100644
index b7a0535..0000000
--- a/vendor/rayon-core/src/spawn/test.rs
+++ /dev/null
@@ -1,255 +0,0 @@
-use crate::scope;
-use std::any::Any;
-use std::sync::mpsc::channel;
-use std::sync::Mutex;
-
-use super::{spawn, spawn_fifo};
-use crate::ThreadPoolBuilder;
-
-#[test]
-#[cfg_attr(any(target_os = "emscripten", target_family = "wasm"), ignore)]
-fn spawn_then_join_in_worker() {
- let (tx, rx) = channel();
- scope(move |_| {
- spawn(move || tx.send(22).unwrap());
- });
- assert_eq!(22, rx.recv().unwrap());
-}
-
-#[test]
-#[cfg_attr(any(target_os = "emscripten", target_family = "wasm"), ignore)]
-fn spawn_then_join_outside_worker() {
- let (tx, rx) = channel();
- spawn(move || tx.send(22).unwrap());
- assert_eq!(22, rx.recv().unwrap());
-}
-
-#[test]
-#[cfg_attr(not(panic = "unwind"), ignore)]
-fn panic_fwd() {
- let (tx, rx) = channel();
-
- let tx = Mutex::new(tx);
- let panic_handler = move |err: Box<dyn Any + Send>| {
- let tx = tx.lock().unwrap();
- if let Some(&msg) = err.downcast_ref::<&str>() {
- if msg == "Hello, world!" {
- tx.send(1).unwrap();
- } else {
- tx.send(2).unwrap();
- }
- } else {
- tx.send(3).unwrap();
- }
- };
-
- let builder = ThreadPoolBuilder::new().panic_handler(panic_handler);
-
- builder
- .build()
- .unwrap()
- .spawn(move || panic!("Hello, world!"));
-
- assert_eq!(1, rx.recv().unwrap());
-}
-
-/// Test what happens when the thread-pool is dropped but there are
-/// still active asynchronous tasks. We expect the thread-pool to stay
-/// alive and executing until those threads are complete.
-#[test]
-#[cfg_attr(any(target_os = "emscripten", target_family = "wasm"), ignore)]
-fn termination_while_things_are_executing() {
- let (tx0, rx0) = channel();
- let (tx1, rx1) = channel();
-
- // Create a thread-pool and spawn some code in it, but then drop
- // our reference to it.
- {
- let thread_pool = ThreadPoolBuilder::new().build().unwrap();
- thread_pool.spawn(move || {
- let data = rx0.recv().unwrap();
-
- // At this point, we know the "main" reference to the
- // `ThreadPool` has been dropped, but there are still
- // active threads. Launch one more.
- spawn(move || {
- tx1.send(data).unwrap();
- });
- });
- }
-
- tx0.send(22).unwrap();
- let v = rx1.recv().unwrap();
- assert_eq!(v, 22);
-}
-
-#[test]
-#[cfg_attr(not(panic = "unwind"), ignore)]
-fn custom_panic_handler_and_spawn() {
- let (tx, rx) = channel();
-
- // Create a parallel closure that will send panics on the
- // channel; since the closure is potentially executed in parallel
- // with itself, we have to wrap `tx` in a mutex.
- let tx = Mutex::new(tx);
- let panic_handler = move |e: Box<dyn Any + Send>| {
- tx.lock().unwrap().send(e).unwrap();
- };
-
- // Execute an async that will panic.
- let builder = ThreadPoolBuilder::new().panic_handler(panic_handler);
- builder.build().unwrap().spawn(move || {
- panic!("Hello, world!");
- });
-
- // Check that we got back the panic we expected.
- let error = rx.recv().unwrap();
- if let Some(&msg) = error.downcast_ref::<&str>() {
- assert_eq!(msg, "Hello, world!");
- } else {
- panic!("did not receive a string from panic handler");
- }
-}
-
-#[test]
-#[cfg_attr(not(panic = "unwind"), ignore)]
-fn custom_panic_handler_and_nested_spawn() {
- let (tx, rx) = channel();
-
- // Create a parallel closure that will send panics on the
- // channel; since the closure is potentially executed in parallel
- // with itself, we have to wrap `tx` in a mutex.
- let tx = Mutex::new(tx);
- let panic_handler = move |e| {
- tx.lock().unwrap().send(e).unwrap();
- };
-
- // Execute an async that will (eventually) panic.
- const PANICS: usize = 3;
- let builder = ThreadPoolBuilder::new().panic_handler(panic_handler);
- builder.build().unwrap().spawn(move || {
- // launch 3 nested spawn-asyncs; these should be in the same
- // thread-pool and hence inherit the same panic handler
- for _ in 0..PANICS {
- spawn(move || {
- panic!("Hello, world!");
- });
- }
- });
-
- // Check that we get back the panics we expected.
- for _ in 0..PANICS {
- let error = rx.recv().unwrap();
- if let Some(&msg) = error.downcast_ref::<&str>() {
- assert_eq!(msg, "Hello, world!");
- } else {
- panic!("did not receive a string from panic handler");
- }
- }
-}
-
-macro_rules! test_order {
- ($outer_spawn:ident, $inner_spawn:ident) => {{
- let builder = ThreadPoolBuilder::new().num_threads(1);
- let pool = builder.build().unwrap();
- let (tx, rx) = channel();
- pool.install(move || {
- for i in 0..10 {
- let tx = tx.clone();
- $outer_spawn(move || {
- for j in 0..10 {
- let tx = tx.clone();
- $inner_spawn(move || {
- tx.send(i * 10 + j).unwrap();
- });
- }
- });
- }
- });
- rx.iter().collect::<Vec<i32>>()
- }};
-}
-
-#[test]
-#[cfg_attr(any(target_os = "emscripten", target_family = "wasm"), ignore)]
-fn lifo_order() {
- // In the absence of stealing, `spawn()` jobs on a thread will run in LIFO order.
- let vec = test_order!(spawn, spawn);
- let expected: Vec<i32> = (0..100).rev().collect(); // LIFO -> reversed
- assert_eq!(vec, expected);
-}
-
-#[test]
-#[cfg_attr(any(target_os = "emscripten", target_family = "wasm"), ignore)]
-fn fifo_order() {
- // In the absence of stealing, `spawn_fifo()` jobs on a thread will run in FIFO order.
- let vec = test_order!(spawn_fifo, spawn_fifo);
- let expected: Vec<i32> = (0..100).collect(); // FIFO -> natural order
- assert_eq!(vec, expected);
-}
-
-#[test]
-#[cfg_attr(any(target_os = "emscripten", target_family = "wasm"), ignore)]
-fn lifo_fifo_order() {
- // LIFO on the outside, FIFO on the inside
- let vec = test_order!(spawn, spawn_fifo);
- let expected: Vec<i32> = (0..10)
- .rev()
- .flat_map(|i| (0..10).map(move |j| i * 10 + j))
- .collect();
- assert_eq!(vec, expected);
-}
-
-#[test]
-#[cfg_attr(any(target_os = "emscripten", target_family = "wasm"), ignore)]
-fn fifo_lifo_order() {
- // FIFO on the outside, LIFO on the inside
- let vec = test_order!(spawn_fifo, spawn);
- let expected: Vec<i32> = (0..10)
- .flat_map(|i| (0..10).rev().map(move |j| i * 10 + j))
- .collect();
- assert_eq!(vec, expected);
-}
-
-macro_rules! spawn_send {
- ($spawn:ident, $tx:ident, $i:expr) => {{
- let tx = $tx.clone();
- $spawn(move || tx.send($i).unwrap());
- }};
-}
-
-/// Test mixed spawns pushing a series of numbers, interleaved such
-/// such that negative values are using the second kind of spawn.
-macro_rules! test_mixed_order {
- ($pos_spawn:ident, $neg_spawn:ident) => {{
- let builder = ThreadPoolBuilder::new().num_threads(1);
- let pool = builder.build().unwrap();
- let (tx, rx) = channel();
- pool.install(move || {
- spawn_send!($pos_spawn, tx, 0);
- spawn_send!($neg_spawn, tx, -1);
- spawn_send!($pos_spawn, tx, 1);
- spawn_send!($neg_spawn, tx, -2);
- spawn_send!($pos_spawn, tx, 2);
- spawn_send!($neg_spawn, tx, -3);
- spawn_send!($pos_spawn, tx, 3);
- });
- rx.iter().collect::<Vec<i32>>()
- }};
-}
-
-#[test]
-#[cfg_attr(any(target_os = "emscripten", target_family = "wasm"), ignore)]
-fn mixed_lifo_fifo_order() {
- let vec = test_mixed_order!(spawn, spawn_fifo);
- let expected = vec![3, -1, 2, -2, 1, -3, 0];
- assert_eq!(vec, expected);
-}
-
-#[test]
-#[cfg_attr(any(target_os = "emscripten", target_family = "wasm"), ignore)]
-fn mixed_fifo_lifo_order() {
- let vec = test_mixed_order!(spawn_fifo, spawn);
- let expected = vec![0, -3, 1, -2, 2, -1, 3];
- assert_eq!(vec, expected);
-}