@@ -1,6 +1,8 @@

 package locker

 import (

+	"math/rand"

+	"strconv"

 	"sync"

 	"testing"

 	"time"

@@ -122,3 +124,38 @@ func TestLockerConcurrency(t *testing.T) {

 		t.Fatalf("lock should not exist: %v", ctr)

 	}

 }

+

+func BenchmarkLocker(b *testing.B) {

+	l := New()

+	for i := 0; i < b.N; i++ {

+		l.Lock("test")

+		l.Unlock("test")

+	}

+}

+

+func BenchmarkLockerParallel(b *testing.B) {

+	l := New()

+	b.SetParallelism(128)

+	b.RunParallel(func(pb *testing.PB) {

+		for pb.Next() {

+			l.Lock("test")

+			l.Unlock("test")

+		}

+	})

+}

+

+func BenchmarkLockerMoreKeys(b *testing.B) {

+	l := New()

+	var keys []string

+	for i := 0; i < 64; i++ {

+		keys = append(keys, strconv.Itoa(i))

+	}

+	b.SetParallelism(128)

+	b.RunParallel(func(pb *testing.PB) {

+		for pb.Next() {

+			k := keys[rand.Intn(len(keys))]

+			l.Lock(k)

+			l.Unlock(k)

+		}

+	})

+}