go-common/app/service/live/resource/lrucache/synccache_test.go

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2019-04-22 10:49:16 +00:00
package lrucache
import (
"sync"
"testing"
"time"
)
func Test_hashCode(t *testing.T) {
/*if hashCode(-1) != 1 {
t.Error("case 1 failed")
}
if hashCode(0) != 0 {
t.Error("case 2 failed")
}
if hashCode(0x7FFFFFFF) != 0x7FFFFFFF {
t.Error("case 3 failed")
}*/
if hashCode("12345") != 3421846044 {
t.Error("case 4 failed")
}
if hashCode("abcdefghijklmnopqrstuvwxyz") != 1277644989 {
t.Error("case 5 failed")
}
/*if hashCode(123.45) != 123 {
t.Error("case 6 failed")
}
if hashCode(-15268.45) != 15268 {
t.Error("case 7 failed")
}*/
}
func Test_nextPowOf2(t *testing.T) {
if nextPowOf2(0) != 2 {
t.Error("case 1 failed")
}
if nextPowOf2(1) != 2 {
t.Error("case 2 failed")
}
if nextPowOf2(2) != 2 {
t.Error("case 3 failed")
}
if nextPowOf2(3) != 4 {
t.Error("case 4 failed")
}
if nextPowOf2(123) != 128 {
t.Error("case 5 failed")
}
if nextPowOf2(0x7FFFFFFF) != 0x80000000 {
t.Error("case 6 failed")
}
}
func Test_timeout(t *testing.T) {
sc := NewSyncCache(1, 2, 2)
sc.Put("1", "2")
if v, ok := sc.Get("1"); !ok || v != "2" {
t.Error("case 1 failed")
}
time.Sleep(2 * time.Second)
if _, ok := sc.Get("1"); ok {
t.Error("case 2 failed")
}
}
func Test_concurrent(t *testing.T) {
sc := NewSyncCache(1, 4, 2)
var wg sync.WaitGroup
for index := 0; index < 100000; index++ {
wg.Add(3)
go func() {
sc.Put("1", "2")
wg.Done()
}()
go func() {
sc.Get("1")
wg.Done()
}()
go func() {
sc.Delete("1")
wg.Done()
}()
}
wg.Wait()
}