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This commit is contained in:
Niko Matsakis 2024-07-17 08:56:08 -04:00
parent e9c0607816
commit b08015e639
4 changed files with 36 additions and 35 deletions
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45
tests/debug.rs
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@ -1,6 +1,7 @@
//! Test that `DeriveWithDb` is correctly derived.
use expect_test::expect;
use salsa::{Database as _, Setter};
#[salsa::input]
struct MyInput {
@ -29,25 +30,25 @@ impl salsa::Database for Database {}
#[test]
fn input() {
let db = Database::default();
let input = MyInput::new(&db, 22);
let not_salsa = NotSalsa {
field: "it's salsa time".to_string(),
};
let complex_struct = ComplexStruct::new(&db, input, not_salsa);
// debug includes all fields
let actual = format!("{:?}", complex_struct.debug(&db));
let expected = expect![[
r#"ComplexStruct { [salsa id]: 0, my_input: MyInput { [salsa id]: 0, field: 22 }, not_salsa: NotSalsa { field: "it's salsa time" } }"#
]];
expected.assert_eq(&actual);
Database::default().attach(|db| {
let input = MyInput::new(db, 22);
let not_salsa = NotSalsa {
field: "it's salsa time".to_string(),
};
let complex_struct = ComplexStruct::new(db, input, not_salsa);
// debug includes all fields
let actual = format!("{complex_struct:?}");
let expected = expect![[
r#"ComplexStruct { [salsa id]: 0, my_input: MyInput { [salsa id]: 0, field: 22 }, not_salsa: NotSalsa { field: "it's salsa time" } }"#
]];
expected.assert_eq(&actual);
})
}
#[salsa::tracked]
fn leak_debug_string(db: &dyn salsa::Database, input: MyInput) -> String {
format!("{:?}", input.debug(db))
format!("{input:?}")
}
/// Test that field reads that occur as part of `Debug` are not tracked.
@ -81,19 +82,17 @@ struct DerivedCustom<'db> {
impl std::fmt::Debug for DerivedCustom<'_> {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
write!(
f,
"{:?} / {:?}",
self.my_input(db).debug(db),
self.value(db)
)
salsa::with_attached_database(|db| {
write!(f, "{:?} / {:?}", self.my_input(db), self.value(db))
})
.unwrap_or_else(|| f.debug_tuple("DerivedCustom").finish())
}
}
#[salsa::tracked]
fn leak_derived_custom(db: &dyn Db, input: MyInput, value: u32) -> String {
fn leak_derived_custom(db: &dyn salsa::Database, input: MyInput, value: u32) -> String {
let c = DerivedCustom::new(db, input, value);
format!("{:?}", c.debug(db))
format!("{c:?}")
}
#[test]