mirror of
https://github.com/rust-lang/rust-analyzer
synced 2024-12-29 06:23:25 +00:00
39 lines
800 B
Rust
39 lines
800 B
Rust
//! Test that transparent (uncached) queries work
|
|
|
|
#[salsa::query_group(QueryGroupStorage)]
|
|
trait QueryGroup {
|
|
#[salsa::input]
|
|
fn input(&self, x: u32) -> u32;
|
|
#[salsa::transparent]
|
|
fn wrap(&self, x: u32) -> u32;
|
|
fn get(&self, x: u32) -> u32;
|
|
}
|
|
|
|
fn wrap(db: &dyn QueryGroup, x: u32) -> u32 {
|
|
db.input(x)
|
|
}
|
|
|
|
fn get(db: &dyn QueryGroup, x: u32) -> u32 {
|
|
db.wrap(x)
|
|
}
|
|
|
|
#[salsa::database(QueryGroupStorage)]
|
|
#[derive(Default)]
|
|
struct Database {
|
|
storage: salsa::Storage<Self>,
|
|
}
|
|
|
|
impl salsa::Database for Database {}
|
|
|
|
#[test]
|
|
fn transparent_queries_work() {
|
|
let mut db = Database::default();
|
|
|
|
db.set_input(1, 10);
|
|
assert_eq!(db.get(1), 10);
|
|
assert_eq!(db.get(1), 10);
|
|
|
|
db.set_input(1, 92);
|
|
assert_eq!(db.get(1), 92);
|
|
assert_eq!(db.get(1), 92);
|
|
}
|