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add iter-from for bags-list (#11104)

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* add iter-from for bags-list

* Fix

* Apply suggestions from code review

Co-authored-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Fix

Co-authored-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
This commit is contained in:
Kian Paimani
2022-03-31 15:16:34 +01:00
committed by GitHub
parent 6ec4ee1647
commit c2d3d488b8
5 changed files with 79 additions and 2 deletions
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substrate/frame/bags-list/src/tests.rs
+21
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@@ -458,6 +458,27 @@ mod sorted_list_provider {
});
}
#[test]
fn iter_from_works() {
ExtBuilder::default().add_ids(vec![(5, 5), (6, 15)]).build_and_execute(|| {
// given
assert_eq!(
List::<Runtime>::get_bags(),
vec![(10, vec![1, 5]), (20, vec![6]), (1000, vec![2, 3, 4])]
);
assert_eq!(BagsList::iter_from(&2).unwrap().collect::<Vec<_>>(), vec![3, 4, 6, 1, 5]);
assert_eq!(BagsList::iter_from(&3).unwrap().collect::<Vec<_>>(), vec![4, 6, 1, 5]);
assert_eq!(BagsList::iter_from(&4).unwrap().collect::<Vec<_>>(), vec![6, 1, 5]);
assert_eq!(BagsList::iter_from(&6).unwrap().collect::<Vec<_>>(), vec![1, 5]);
assert_eq!(BagsList::iter_from(&1).unwrap().collect::<Vec<_>>(), vec![5]);
assert!(BagsList::iter_from(&5).unwrap().collect::<Vec<_>>().is_empty());
assert!(BagsList::iter_from(&7).is_err());
assert_storage_noop!(assert!(BagsList::iter_from(&8).is_err()));
});
}
#[test]
fn count_works() {
ExtBuilder::default().build_and_execute(|| {