Sha256: 7bcaf8ea2d249b5c1acb3c1b769cbe479834630dc71b3ce1114b8b46277f44da
Contents?: true
Size: 1.05 KB
Versions: 37
Compression:
Stored size: 1.05 KB
Contents
use std::panic;
use std::sync::{Arc, Mutex};
pub fn test_panic<Func: FnOnce() + panic::UnwindSafe>(func: Func) -> Option<String> {
static PANIC_MUTEX: Mutex<()> = Mutex::new(());
{
let _guard = PANIC_MUTEX.lock();
let panic_file: Arc<Mutex<Option<String>>> = Arc::new(Mutex::new(None));
let prev_hook = panic::take_hook();
{
let panic_file = panic_file.clone();
panic::set_hook(Box::new(move |panic_info| {
let panic_location = panic_info.location().unwrap();
panic_file
.lock()
.unwrap()
.clone_from(&Some(panic_location.file().to_string()));
}));
}
let result = panic::catch_unwind(func);
// Return to the previously set panic hook (maybe default) so that we get nice error
// messages in the tests.
panic::set_hook(prev_hook);
if result.is_err() {
panic_file.lock().unwrap().clone()
} else {
None
}
}
}
Version data entries
37 entries across 37 versions & 1 rubygems