rust/crates/salsa/tests/no_send_sync.rs

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2024-02-07 09:29:46 -06:00
use std::rc::Rc;
#[salsa::query_group(NoSendSyncStorage)]
trait NoSendSyncDatabase: salsa::Database {
fn no_send_sync_value(&self, key: bool) -> Rc<bool>;
fn no_send_sync_key(&self, key: Rc<bool>) -> bool;
}
fn no_send_sync_value(_db: &dyn NoSendSyncDatabase, key: bool) -> Rc<bool> {
Rc::new(key)
}
fn no_send_sync_key(_db: &dyn NoSendSyncDatabase, key: Rc<bool>) -> bool {
*key
}
#[salsa::database(NoSendSyncStorage)]
#[derive(Default)]
struct DatabaseImpl {
storage: salsa::Storage<Self>,
}
impl salsa::Database for DatabaseImpl {}
#[test]
fn no_send_sync() {
let db = DatabaseImpl::default();
assert_eq!(db.no_send_sync_value(true), Rc::new(true));
assert!(!db.no_send_sync_key(Rc::new(false)));
}