diff --git a/index/storage_test.go b/index/storage_test.go
index c998324e9..8fd31b710 100644
--- a/index/storage_test.go
+++ b/index/storage_test.go
@@ -25,5 +25,19 @@ func TestStorage(t *testing.T) {
 		So(BitCount(bm), ShouldEqual, 3)
 
 	})
+	Convey("cassandra", t, func() {
+		storage, _ := NewCassStorage("127.0.0.1", "hotbox")
+
+		bm := storage.Fetch(bitmap_id, db, slice)
+		SetBit(bm, 0)
+		SetBit(bm, 1)
+		SetBit(bm, 2)
+		storage.Store(int64(bitmap_id), db, slice, bm.(*Bitmap))
+		bm2 := storage.Fetch(bitmap_id, db, slice)
+		So(BitCount(bm), ShouldEqual, BitCount(bm2))
+		So(BitCount(bm), ShouldEqual, bm.Count())
+		So(BitCount(bm), ShouldEqual, 3)
+
+	})
 
 }