func TestKeyUint64CacheFullOnPurge(t *testing.T) {
cache := NewLRUCacheKeyUint64(1)
value := &PurgeCacheValueKeyUint64{}
k1 := key.KeyUint64(1)
k2 := key.KeyUint64(2)
cache.Set(k1, value) // after this cache is full
purgeReasonFlag4TestKeyUint64 = PURGE_REASON_DELETE // init
cache.Set(k2, value) // after this k1 is delete and reason set to PURGE_REASON_CACHEFULL
if purgeReasonFlag4TestKeyUint64 != PURGE_REASON_CACHEFULL {
t.Errorf("after cache.Delete ,purgeReason should be %d ,but get %d", PURGE_REASON_CACHEFULL, purgeReasonFlag4TestKeyUint64)
}
}
func TestKeyUint64SetUpdatesSize(t *testing.T) {
cache := NewLRUCacheKeyUint64(100)
emptyValue := &CacheValue{0}
k := key.KeyUint64(1)
cache.Set(k, emptyValue)
if _, sz, _ := cache.Stats(); sz != 0 {
t.Errorf("cache.Size() = %v, expected 0", sz)
}
someValue := &CacheValue{20}
k = key.KeyUint64(2)
cache.Set(k, someValue)
if _, sz, _ := cache.Stats(); sz != 20 {
t.Errorf("cache.Size() = %v, expected 20", sz)
}
}
func TestKeyUint64ClearOnPurge(t *testing.T) {
cache := NewLRUCacheKeyUint64(1)
value := &PurgeCacheValueKeyUint64{}
k1 := key.KeyUint64(1)
purgeReasonFlag4TestKeyUint64 = PURGE_REASON_DELETE // init
cache.Set(k1, value) // after this cache is full
cache.Clear()
if purgeReasonFlag4TestKeyUint64 != PURGE_REASON_CLEAR_ALL {
t.Errorf("after cache.Delete ,purgeReason should be %d ,but get %d", PURGE_REASON_CLEAR_ALL, purgeReasonFlag4TestKeyUint64)
}
}
func TestKeyUint64OnMiss(t *testing.T) {
fun := func(k key.KeyUint64) (Cacheable, bool) {
return 1, true
}
cache := NewLRUCacheKeyUint64(1)
cache.OnMiss(fun)
k1 := key.KeyUint64(1)
v, ok := cache.Get(k1) //
if ok != true && v != 1 {
t.Errorf("lru.onMiss is errror")
}
}
func TestKeyUint64SetWithOldKeyUpdatesValue(t *testing.T) {
cache := NewLRUCacheKeyUint64(100)
emptyValue := &CacheValue{0}
k := key.KeyUint64(1)
cache.Set(k, emptyValue)
someValue := &CacheValue{20}
cache.Set(k, someValue)
v, ok := cache.Get(k)
if !ok || v.(*CacheValue) != someValue {
t.Errorf("Cache has incorrect value: %v != %v", someValue, v)
}
}
func TestKeyUint64SetWithOldKeyUpdatesSize(t *testing.T) {
cache := NewLRUCacheKeyUint64(100)
emptyValue := &CacheValue{0}
k := key.KeyUint64(1)
cache.Set(k, emptyValue)
if _, sz, _ := cache.Stats(); sz != 0 {
t.Errorf("cache.Size() = %v, expected %v", sz, 0)
}
someValue := &CacheValue{20}
cache.Set(k, someValue)
expected := int64(someValue.size)
if _, sz, _ := cache.Stats(); sz != expected {
t.Errorf("cache.Size() = %v, expected %v", sz, expected)
}
}