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update a test

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This commit is contained in:
XFFXFF 2022-09-24 00:41:55 +00:00
parent a2be847e1a
commit 559c02ba80
1 changed files with 25 additions and 5 deletions
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30
salsa-2022-tests/tests/tracked_fn_read_own_specify.rs
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@ -1,9 +1,11 @@
#![allow(warnings)]
use expect_test::expect;
use salsa::{Database as SalsaDatabase, DebugWithDb};
use salsa_2022_tests::{HasLogger, Logger};
#[salsa::jar(db = Db)]
struct Jar(MyInput, MyTracked, tracked_fn, tracked_fn_extra);
trait Db: salsa::DbWithJar<Jar> {}
trait Db: salsa::DbWithJar<Jar> + HasLogger {}
#[salsa::input(jar = Jar)]
struct MyInput {
@ -17,13 +19,15 @@ struct MyTracked {
#[salsa::tracked(jar = Jar)]
fn tracked_fn(db: &dyn Db, input: MyInput) -> u32 {
db.push_log(format!("tracked_fn({:?})", input.debug(db)));
let t = MyTracked::new(db, input.field(db) * 2);
tracked_fn_extra::specify(db, t, 2222);
tracked_fn_extra(db, t)
}
#[salsa::tracked(jar = Jar, specify)]
fn tracked_fn_extra(_db: &dyn Db, _input: MyTracked) -> u32 {
fn tracked_fn_extra(db: &dyn Db, input: MyTracked) -> u32 {
db.push_log(format!("tracked_fn_extra({:?})", input.debug(db)));
0
}
@ -31,18 +35,34 @@ fn tracked_fn_extra(_db: &dyn Db, _input: MyTracked) -> u32 {
#[derive(Default)]
struct Database {
storage: salsa::Storage<Self>,
logger: Logger,
}
impl salsa::Database for Database {}
impl Db for Database {}
impl HasLogger for Database {
fn logger(&self) -> &Logger {
&self.logger
}
}
#[test]
fn execute() {
let mut db = Database::default();
let input = MyInput::new(&mut db, 22);
let input = MyInput::new(&db, 22);
assert_eq!(tracked_fn(&db, input), 2222);
db.assert_logs(expect![[r#"
[
"tracked_fn(MyInput { [salsa id]: 0 })",
]"#]]);
let input2 = MyInput::new(&mut db, 44);
// A "synthetic write" causes the system to act *as though* some
// input of durability `durability` has changed.
db.synthetic_write(salsa::Durability::LOW);
// Re-run the query on the original input. Nothing re-executes!
assert_eq!(tracked_fn(&db, input), 2222);
db.assert_logs(expect!["[]"]);
}