Evan AlmloffandJonathan Kelley
45a1147ffd
* add a fuzzing test for reference counted generational boxes * Fix subscriptions for readonlysignal passed as props * Don't subscribe to dropped contexts --------- Co-authored-by: Jonathan Kelley <jkelleyrtp@gmail.com>
62 lines
2.1 KiB
Rust
62 lines
2.1 KiB
Rust
use generational_box::{Storage, SyncStorage, UnsyncStorage};
|
|
|
|
#[test]
|
|
fn reference_counting() {
|
|
fn reference_counting<S: Storage<String>>() {
|
|
let data = String::from("hello world");
|
|
let reference;
|
|
{
|
|
let outer_owner = S::owner();
|
|
{
|
|
// create an owner
|
|
let owner = S::owner();
|
|
// insert data into the store
|
|
let original = owner.insert_rc(data);
|
|
reference = outer_owner.insert_reference(original).unwrap();
|
|
// The reference should point to the value immediately
|
|
assert_eq!(&*reference.read(), "hello world");
|
|
// Original is dropped
|
|
}
|
|
// The reference should still point to the value
|
|
assert_eq!(&*reference.read(), "hello world");
|
|
}
|
|
// Now that all references are dropped, the value should be dropped
|
|
assert!(reference.try_read().is_err());
|
|
}
|
|
|
|
reference_counting::<UnsyncStorage>();
|
|
reference_counting::<SyncStorage>();
|
|
}
|
|
|
|
#[test]
|
|
fn move_reference_in_place() {
|
|
fn move_reference_in_place<S: Storage<String>>() {
|
|
let data1 = String::from("hello world");
|
|
let data2 = String::from("hello world 2");
|
|
|
|
// create an owner
|
|
let original_owner = S::owner();
|
|
// insert data into the store
|
|
let original = original_owner.insert_rc(data1.clone());
|
|
let reference = original_owner.insert_reference(original).unwrap();
|
|
// The reference should point to the original value
|
|
assert_eq!(&*reference.read(), &data1);
|
|
|
|
let new_owner = S::owner();
|
|
// Move the reference in place
|
|
let new = new_owner.insert_rc(data2.clone());
|
|
reference.point_to(new).unwrap();
|
|
// The reference should point to the new value
|
|
assert_eq!(&*reference.read(), &data2);
|
|
|
|
// make sure both got dropped
|
|
drop(original_owner);
|
|
drop(new_owner);
|
|
assert!(original.try_read().is_err());
|
|
assert!(new.try_read().is_err());
|
|
}
|
|
|
|
move_reference_in_place::<UnsyncStorage>();
|
|
move_reference_in_place::<SyncStorage>();
|
|
}
|