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|
use expect_test::expect;
#[salsa::input]
struct MyInput {
field: u32,
}
#[salsa::tracked]
struct MyTracked<'db> {
field: u32,
}
#[salsa::interned]
struct MyInterned<'db> {
field: u32,
}
#[salsa::tracked]
fn input_to_interned<'db>(db: &'db dyn salsa::Database, input: MyInput) -> MyInterned<'db> {
MyInterned::new(db, input.field(db))
}
#[salsa::tracked]
fn input_to_tracked<'db>(db: &'db dyn salsa::Database, input: MyInput) -> MyTracked<'db> {
MyTracked::new(db, input.field(db))
}
#[salsa::tracked]
fn input_to_string<'db>(_db: &'db dyn salsa::Database) -> String {
"a".repeat(1000)
}
#[salsa::tracked(heap_size = string_heap_size)]
fn input_to_string_get_size<'db>(_db: &'db dyn salsa::Database) -> String {
"a".repeat(1000)
}
fn string_heap_size(x: &String) -> usize {
x.capacity()
}
#[salsa::tracked]
fn input_to_tracked_tuple<'db>(
db: &'db dyn salsa::Database,
input: MyInput,
) -> (MyTracked<'db>, MyTracked<'db>) {
(
MyTracked::new(db, input.field(db)),
MyTracked::new(db, input.field(db)),
)
}
#[test]
fn test() {
let db = salsa::DatabaseImpl::new();
let input1 = MyInput::new(&db, 1);
let input2 = MyInput::new(&db, 2);
let input3 = MyInput::new(&db, 3);
let _tracked1 = input_to_tracked(&db, input1);
let _tracked2 = input_to_tracked(&db, input2);
let _tracked_tuple = input_to_tracked_tuple(&db, input1);
let _interned1 = input_to_interned(&db, input1);
let _interned2 = input_to_interned(&db, input2);
let _interned3 = input_to_interned(&db, input3);
let _string1 = input_to_string(&db);
let _string2 = input_to_string_get_size(&db);
let structs_info = <dyn salsa::Database>::structs_info(&db);
let expected = expect![[r#"
[
IngredientInfo {
debug_name: "MyInput",
count: 3,
size_of_metadata: 84,
size_of_fields: 12,
},
IngredientInfo {
debug_name: "MyTracked",
count: 4,
size_of_metadata: 112,
size_of_fields: 16,
},
IngredientInfo {
debug_name: "MyInterned",
count: 3,
size_of_metadata: 156,
size_of_fields: 12,
},
IngredientInfo {
debug_name: "input_to_string::interned_arguments",
count: 1,
size_of_metadata: 56,
size_of_fields: 0,
},
IngredientInfo {
debug_name: "input_to_string_get_size::interned_arguments",
count: 1,
size_of_metadata: 56,
size_of_fields: 0,
},
]"#]];
expected.assert_eq(&format!("{structs_info:#?}"));
let mut queries_info = <dyn salsa::Database>::queries_info(&db)
.into_iter()
.collect::<Vec<_>>();
queries_info.sort();
let expected = expect![[r#"
[
(
"input_to_interned",
IngredientInfo {
debug_name: "memory_usage::MyInterned",
count: 3,
size_of_metadata: 192,
size_of_fields: 24,
},
),
(
"input_to_string",
IngredientInfo {
debug_name: "alloc::string::String",
count: 1,
size_of_metadata: 40,
size_of_fields: 24,
},
),
(
"input_to_string_get_size",
IngredientInfo {
debug_name: "alloc::string::String",
count: 1,
size_of_metadata: 40,
size_of_fields: 1024,
},
),
(
"input_to_tracked",
IngredientInfo {
debug_name: "memory_usage::MyTracked",
count: 2,
size_of_metadata: 192,
size_of_fields: 16,
},
),
(
"input_to_tracked_tuple",
IngredientInfo {
debug_name: "(memory_usage::MyTracked, memory_usage::MyTracked)",
count: 1,
size_of_metadata: 132,
size_of_fields: 16,
},
),
]"#]];
expected.assert_eq(&format!("{queries_info:#?}"));
}
|
