Mirrors/servo
1
0
Fork 0
mirror of https://github.com/servo/servo.git synced 2025-08-06 14:10:11 +01:00
Code Issues Projects Releases Packages Wiki Activity

Move util crate unit tests into a new unit_tests crate

Browse source
This commit is contained in:
Simon Sapin 2015-04-07 16:58:02 +02:00 • committed by Josh Matthews
parent 3fb666cf60
commit 6d5406efc1
13 changed files with 222 additions and 183 deletions
Download patch file Download diff file Expand all files Collapse all files

49
components/util/cache.rs
View file

@ -12,8 +12,6 @@ use rand;
use std::slice::Iter;
use std::default::Default;
#[cfg(test)]
use std::cell::Cell;
pub struct HashCache<K, V> {
entries: HashMap<K, V, DefaultState<SipHasher>>,
@ -56,19 +54,6 @@ impl<K, V> HashCache<K,V>
}
}
#[test]
fn test_hashcache() {
let mut cache: HashCache<usize, Cell<&str>> = HashCache::new();
cache.insert(1, Cell::new("one"));
assert!(cache.find(&1).is_some());
assert!(cache.find(&2).is_none());
cache.find_or_create(&2, |_v| { Cell::new("two") });
assert!(cache.find(&1).is_some());
assert!(cache.find(&2).is_some());
}
pub struct LRUCache<K, V> {
entries: Vec<(K, V)>,
cache_size: usize,
@ -183,37 +168,3 @@ impl<K:Clone+Eq+Hash,V:Clone> SimpleHashCache<K,V> {
}
}
}
#[test]
fn test_lru_cache() {
let one = Cell::new("one");
let two = Cell::new("two");
let three = Cell::new("three");
let four = Cell::new("four");
// Test normal insertion.
let mut cache: LRUCache<usize,Cell<&str>> = LRUCache::new(2); // (_, _) (cache is empty)
cache.insert(1, one); // (1, _)
cache.insert(2, two); // (1, 2)
cache.insert(3, three); // (2, 3)
assert!(cache.find(&1).is_none()); // (2, 3) (no change)
assert!(cache.find(&3).is_some()); // (2, 3)
assert!(cache.find(&2).is_some()); // (3, 2)
// Test that LRU works (this insertion should replace 3, not 2).
cache.insert(4, four); // (2, 4)
assert!(cache.find(&1).is_none()); // (2, 4) (no change)
assert!(cache.find(&2).is_some()); // (4, 2)
assert!(cache.find(&3).is_none()); // (4, 2) (no change)
assert!(cache.find(&4).is_some()); // (2, 4) (no change)
// Test find_or_create.
cache.find_or_create(&1, |_| { Cell::new("one") }); // (4, 1)
assert!(cache.find(&1).is_some()); // (4, 1) (no change)
assert!(cache.find(&2).is_none()); // (4, 1) (no change)
assert!(cache.find(&3).is_none()); // (4, 1) (no change)
assert!(cache.find(&4).is_some()); // (1, 4)
}