rust/src/test/run-make/libtest-thread-limit/test.rs

17 lines
469 B
Rust

#![feature(once_cell)]
use std::{io::ErrorKind, lazy::SyncOnceCell, thread::{self, Builder, ThreadId}};
static THREAD_ID: SyncOnceCell<ThreadId> = SyncOnceCell::new();
#[test]
fn spawn_thread_would_block() {
assert_eq!(Builder::new().spawn(|| unreachable!()).unwrap_err().kind(), ErrorKind::WouldBlock);
THREAD_ID.set(thread::current().id()).unwrap();
}
#[test]
fn run_in_same_thread() {
assert_eq!(*THREAD_ID.get().unwrap(), thread::current().id());
}