diff options
Diffstat (limited to 'src/test/ui/threads-sendsync/tls-try-with.rs')
-rw-r--r-- | src/test/ui/threads-sendsync/tls-try-with.rs | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/src/test/ui/threads-sendsync/tls-try-with.rs b/src/test/ui/threads-sendsync/tls-try-with.rs new file mode 100644 index 000000000..f36ab4e4f --- /dev/null +++ b/src/test/ui/threads-sendsync/tls-try-with.rs @@ -0,0 +1,30 @@ +// run-pass +#![allow(stable_features)] + +// ignore-emscripten no threads support + +#![feature(thread_local_try_with)] + +use std::thread; + +static mut DROP_RUN: bool = false; + +struct Foo; + +thread_local!(static FOO: Foo = Foo {}); + +impl Drop for Foo { + fn drop(&mut self) { + assert!(FOO.try_with(|_| panic!("`try_with` closure run")).is_err()); + unsafe { DROP_RUN = true; } + } +} + +fn main() { + thread::spawn(|| { + assert_eq!(FOO.try_with(|_| { + 132 + }).expect("`try_with` failed"), 132); + }).join().unwrap(); + assert!(unsafe { DROP_RUN }); +} |