Skip to content

Add some tests for remove_prefix #2714

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
mergify merged 2 commits into from
Sep 5, 2022
Merged

Add some tests for remove_prefix #2714

Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
bb573d5
Add some tests for remove_prefix
tomaka Sep 4, 2022
788aba0
Merge branch 'main' into trie-structure-tests
mergify[bot] Sep 5, 2022
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
281 changes: 281 additions & 0 deletions src/trie/trie_structure/tests.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -325,6 +325,287 @@ fn insert_branch() {
.has_storage_value());
}

#[test]
fn remove_prefix_basic() {
let mut trie = TrieStructure::new();

trie.node([Nibble::try_from(1).unwrap()].iter().cloned())
.into_vacant()
.unwrap()
.insert_storage_value()
.insert((), ());
trie.node(
[
Nibble::try_from(1).unwrap(),
Nibble::try_from(2).unwrap(),
Nibble::try_from(3).unwrap(),
]
.iter()
.cloned(),
)
.into_vacant()
.unwrap()
.insert_storage_value()
.insert((), ());
trie.node(
[
Nibble::try_from(1).unwrap(),
Nibble::try_from(2).unwrap(),
Nibble::try_from(4).unwrap(),
]
.iter()
.cloned(),
)
.into_vacant()
.unwrap()
.insert_storage_value()
.insert((), ());
trie.node(
[
Nibble::try_from(1).unwrap(),
Nibble::try_from(2).unwrap(),
Nibble::try_from(4).unwrap(),
Nibble::try_from(5).unwrap(),
Nibble::try_from(6).unwrap(),
]
.iter()
.cloned(),
)
.into_vacant()
.unwrap()
.insert_storage_value()
.insert((), ());

trie.remove_prefix(
[Nibble::try_from(1).unwrap(), Nibble::try_from(2).unwrap()]
.iter()
.cloned(),
);

assert_eq!(trie.len(), 1);
assert!(trie
.node([Nibble::try_from(1).unwrap(),].iter().cloned(),)
.into_occupied()
.unwrap()
.has_storage_value());
}

#[test]
fn remove_prefix_clear_all() {
let mut trie = TrieStructure::new();

trie.node(
[
Nibble::try_from(1).unwrap(),
Nibble::try_from(2).unwrap(),
Nibble::try_from(3).unwrap(),
]
.iter()
.cloned(),
)
.into_vacant()
.unwrap()
.insert_storage_value()
.insert((), ());
trie.node(
[
Nibble::try_from(1).unwrap(),
Nibble::try_from(2).unwrap(),
Nibble::try_from(4).unwrap(),
]
.iter()
.cloned(),
)
.into_vacant()
.unwrap()
.insert_storage_value()
.insert((), ());
trie.node(
[
Nibble::try_from(1).unwrap(),
Nibble::try_from(2).unwrap(),
Nibble::try_from(4).unwrap(),
Nibble::try_from(5).unwrap(),
Nibble::try_from(6).unwrap(),
]
.iter()
.cloned(),
)
.into_vacant()
.unwrap()
.insert_storage_value()
.insert((), ());

trie.remove_prefix(
[Nibble::try_from(1).unwrap(), Nibble::try_from(2).unwrap()]
.iter()
.cloned(),
);

assert!(trie.is_empty());
}

#[test]
fn remove_prefix_exact() {
let mut trie = TrieStructure::new();

trie.node([Nibble::try_from(1).unwrap()].iter().cloned())
.into_vacant()
.unwrap()
.insert_storage_value()
.insert((), ());

trie.node(
[
Nibble::try_from(1).unwrap(),
Nibble::try_from(2).unwrap(),
Nibble::try_from(3).unwrap(),
]
.iter()
.cloned(),
)
.into_vacant()
.unwrap()
.insert_storage_value()
.insert((), ());
trie.node(
[
Nibble::try_from(1).unwrap(),
Nibble::try_from(2).unwrap(),
Nibble::try_from(3).unwrap(),
Nibble::try_from(4).unwrap(),
Nibble::try_from(5).unwrap(),
]
.iter()
.cloned(),
)
.into_vacant()
.unwrap()
.insert_storage_value()
.insert((), ());
trie.node(
[
Nibble::try_from(1).unwrap(),
Nibble::try_from(2).unwrap(),
Nibble::try_from(3).unwrap(),
Nibble::try_from(4).unwrap(),
Nibble::try_from(6).unwrap(),
]
.iter()
.cloned(),
)
.into_vacant()
.unwrap()
.insert_storage_value()
.insert((), ());

trie.remove_prefix(
[
Nibble::try_from(1).unwrap(),
Nibble::try_from(2).unwrap(),
Nibble::try_from(3).unwrap(),
]
.iter()
.cloned(),
);

assert_eq!(trie.len(), 1);
assert!(trie
.node([Nibble::try_from(1).unwrap(),].iter().cloned(),)
.into_occupied()
.unwrap()
.has_storage_value());
}

#[test]
fn remove_prefix_doesnt_match_anything() {
let mut trie = TrieStructure::new();

trie.node(
[
Nibble::try_from(1).unwrap(),
Nibble::try_from(2).unwrap(),
Nibble::try_from(3).unwrap(),
]
.iter()
.cloned(),
)
.into_vacant()
.unwrap()
.insert_storage_value()
.insert((), ());

trie.remove_prefix(
[
Nibble::try_from(1).unwrap(),
Nibble::try_from(2).unwrap(),
Nibble::try_from(5).unwrap(),
]
.iter()
.cloned(),
);

assert_eq!(trie.len(), 1);
assert!(trie
.node(
[
Nibble::try_from(1).unwrap(),
Nibble::try_from(2).unwrap(),
Nibble::try_from(3).unwrap(),
]
.iter()
.cloned(),
)
.into_occupied()
.unwrap()
.has_storage_value());
}

#[test]
fn remove_prefix_nothing_to_remove() {
let mut trie = TrieStructure::new();

trie.node(
[
Nibble::try_from(1).unwrap(),
Nibble::try_from(2).unwrap(),
Nibble::try_from(3).unwrap(),
]
.iter()
.cloned(),
)
.into_vacant()
.unwrap()
.insert_storage_value()
.insert((), ());

trie.remove_prefix(
[
Nibble::try_from(1).unwrap(),
Nibble::try_from(2).unwrap(),
Nibble::try_from(3).unwrap(),
Nibble::try_from(4).unwrap(),
]
.iter()
.cloned(),
);

assert_eq!(trie.len(), 1);
assert!(trie
.node(
[
Nibble::try_from(1).unwrap(),
Nibble::try_from(2).unwrap(),
Nibble::try_from(3).unwrap(),
]
.iter()
.cloned(),
)
.into_occupied()
.unwrap()
.has_storage_value());
}

#[test]
fn fuzzing() {
fn uniform_sample(min: u8, max: u8) -> u8 {
Expand Down