1 package lru 2 3 import ( 4 "crypto/rand" 5 "math" 6 "math/big" 7 "testing" 8 ) 9 10 func getRand(tb testing.TB) int64 { 11 out, err := rand.Int(rand.Reader, big.NewInt(math.MaxInt64)) 12 if err != nil { 13 tb.Fatal(err) 14 } 15 return out.Int64() 16 } 17