undirtied-chunks-iter_test.go | 22 ++++++++++++++++++++++

diff --git a/undirtied-chunks-iter_test.go b/undirtied-chunks-iter_test.go
new file mode 100644
index 0000000000000000000000000000000000000000..d9b12df4bf31d885a348c699e429eb403bf9d927
--- /dev/null
+++ b/undirtied-chunks-iter_test.go
@@ -0,0 +1,22 @@
+package torrent
+
+import (
+	"testing"
+
+	"github.com/RoaringBitmap/roaring"
+)
+
+func BenchmarkUndirtiedChunksIter(b *testing.B) {
+	var bitmap roaring.Bitmap
+	a := undirtiedChunksIter{
+		TorrentDirtyChunks: &bitmap,
+		StartRequestIndex:  69,
+		EndRequestIndex:    420,
+	}
+	b.ReportAllocs()
+	for i := 0; i < b.N; i++ {
+		a.Iter(func(chunkIndex chunkIndexType) {
+
+		})
+	}
+}