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Xray-core/common/cache/lru_test.go

87 lines
1.4 KiB

package cache_test
import (
"testing"
. "github.com/xtls/xray-core/common/cache"
)
func TestLruReplaceValue(t *testing.T) {
lru := NewLru(2)
lru.Put(2, 6)
lru.Put(1, 5)
lru.Put(1, 2)
v, _ := lru.Get(1)
if v != 2 {
t.Error("should get 2", v)
}
v, _ = lru.Get(2)
if v != 6 {
t.Error("should get 6", v)
}
}
func TestLruRemoveOld(t *testing.T) {
lru := NewLru(2)
v, ok := lru.Get(2)
if ok {
t.Error("should get nil", v)
}
lru.Put(1, 1)
lru.Put(2, 2)
v, _ = lru.Get(1)
if v != 1 {
t.Error("should get 1", v)
}
lru.Put(3, 3)
v, ok = lru.Get(2)
if ok {
t.Error("should get nil", v)
}
lru.Put(4, 4)
v, ok = lru.Get(1)
if ok {
t.Error("should get nil", v)
}
v, _ = lru.Get(3)
if v != 3 {
t.Error("should get 3", v)
}
v, _ = lru.Get(4)
if v != 4 {
t.Error("should get 4", v)
}
}
func TestGetKeyFromValue(t *testing.T) {
lru := NewLru(2)
lru.Put(3, 3)
lru.Put(2, 2)
lru.GetKeyFromValue(3)
lru.Put(1, 1)
v, ok := lru.GetKeyFromValue(2)
if ok {
t.Error("should get nil", v)
}
v, _ = lru.GetKeyFromValue(3)
if v != 3 {
t.Error("should get 3", v)
}
}
func TestPeekKeyFromValue(t *testing.T) {
lru := NewLru(2)
lru.Put(3, 3)
lru.Put(2, 2)
lru.PeekKeyFromValue(3)
lru.Put(1, 1)
v, ok := lru.PeekKeyFromValue(3)
if ok {
t.Error("should get nil", v)
}
v, _ = lru.PeekKeyFromValue(2)
if v != 2 {
t.Error("should get 2", v)
}
}