diff --git a/lastn/lastn_test.go b/lastn/lastn_test.go
index ba1fcd5..62998f7 100755
--- a/lastn/lastn_test.go
+++ b/lastn/lastn_test.go
@@ -4,6 +4,7 @@ import (
 	"bytes"
 	"fmt"
 	"io/ioutil"
+	"local/storage"
 	"log"
 	"os"
 	"path"
@@ -12,66 +13,68 @@ import (
 )
 
 func TestLastN(t *testing.T) {
-	d, clean := makeJunk(t)
-	defer clean()
+	for _, storeName := range []string{storage.MAP.String(), storage.MAPSTREAM.String()} {
+		d, clean := makeJunk(t)
+		defer clean()
 
-	conf := Config{
-		N:     3,
-		Ns:    "b",
-		Root:  d,
-		Store: "map",
-	}
-	lastn, err := New(conf)
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	if err := lastn.Push(); err != nil {
-		t.Fatal(err)
-	}
-
-	was := log.Writer()
-	buff := bytes.NewBuffer(nil)
-	log.SetOutput(buff)
-	defer log.SetOutput(was)
-	if err := lastn.List(); err != nil {
-		t.Fatal(err)
-	} else if !bytes.Contains(buff.Bytes(), []byte(time.Now().Format("2006.01.02"))) {
-		t.Fatal(string(buff.Bytes()))
-	}
-	log.SetOutput(was)
-
-	restored := path.Join(d+"-restore", path.Base(d))
-
-	if err := lastn.Restore(); err != nil {
-		t.Fatal(err)
-	} else if _, err := os.Stat(restored); os.IsNotExist(err) {
-		t.Fatal(err)
-	} else if err != nil {
-		t.Fatal(err)
-	} else if files, err := ioutil.ReadDir(restored); err != nil {
-		t.Fatal(err)
-	} else if len(files) != 3 {
-		t.Fatal(len(files))
-	} else {
-		for _, file := range files {
-			if b, err := ioutil.ReadFile(path.Join(restored, file.Name())); err != nil {
-				t.Fatal(err)
-			} else if v := string(b); v != "hi" {
-				t.Fatal(v)
-			}
+		conf := Config{
+			N:     3,
+			Ns:    "b",
+			Root:  d,
+			Store: storeName,
+		}
+		lastn, err := New(conf)
+		if err != nil {
+			t.Fatal(err)
 		}
-	}
 
-	for i := 0; i < 10; i++ {
 		if err := lastn.Push(); err != nil {
 			t.Fatal(err)
 		}
-	}
-	if saved, err := lastn.store.List([]string{lastn.conf.Ns}); err != nil {
-		t.Fatal(err)
-	} else if len(saved) != 11 {
-		t.Fatal(len(saved))
+
+		was := log.Writer()
+		buff := bytes.NewBuffer(nil)
+		log.SetOutput(buff)
+		defer log.SetOutput(was)
+		if err := lastn.List(); err != nil {
+			t.Fatal(err)
+		} else if !bytes.Contains(buff.Bytes(), []byte(time.Now().Format("2006.01.02"))) {
+			t.Fatal(string(buff.Bytes()))
+		}
+		log.SetOutput(was)
+
+		restored := path.Join(d+"-restore", path.Base(d))
+
+		if err := lastn.Restore(); err != nil {
+			t.Fatal(err)
+		} else if _, err := os.Stat(restored); os.IsNotExist(err) {
+			t.Fatal(err)
+		} else if err != nil {
+			t.Fatal(err)
+		} else if files, err := ioutil.ReadDir(restored); err != nil {
+			t.Fatal(err)
+		} else if len(files) != 3 {
+			t.Fatal(len(files))
+		} else {
+			for _, file := range files {
+				if b, err := ioutil.ReadFile(path.Join(restored, file.Name())); err != nil {
+					t.Fatal(err)
+				} else if v := string(b); v != "hi" {
+					t.Fatal(v)
+				}
+			}
+		}
+
+		for i := 0; i < 10; i++ {
+			if err := lastn.Push(); err != nil {
+				t.Fatal(err)
+			}
+		}
+		if saved, err := lastn.store.List([]string{lastn.conf.Ns}); err != nil {
+			t.Fatal(err)
+		} else if len(saved) != 11 {
+			t.Fatal(len(saved))
+		}
 	}
 }