mirror of https://github.com/rust-lang/rust
22 lines
745 B
Rust
22 lines
745 B
Rust
use std::io::ErrorKind;
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use std::sync::OnceLock;
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use std::thread::{self, Builder, ThreadId};
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static THREAD_ID: OnceLock<ThreadId> = OnceLock::new();
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#[test]
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fn spawn_thread_would_block() {
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assert_eq!(Builder::new().spawn(|| unreachable!()).unwrap_err().kind(), ErrorKind::WouldBlock);
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THREAD_ID.set(thread::current().id()).unwrap();
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}
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// Tests are run in alphabetical order, and the second test is dependent on the
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// first to set THREAD_ID. Do not rename the tests in such a way that `test_run_in_same_thread`
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// would run before `spawn_thread_would_block`.
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// See https://doc.rust-lang.org/rustc/tests/index.html#--shuffle
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#[test]
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fn test_run_in_same_thread() {
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assert_eq!(*THREAD_ID.get().unwrap(), thread::current().id());
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}
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