if err != nil {
		t.Fatal(err)
	}
	_, err = io.Copy(io.Discard, r)
	if err != nil {
		t.Fatal(err)
	}
	md5sum := r.MD5Current()
	if hex.EncodeToString(md5sum) != "e2fc714c4727ee9395f324cd2e7f331f" {
		t.Errorf("Expected md5hex \"e2fc714c4727ee9395f324cd2e7f331f\", got %s", hex.EncodeToString(md5sum))
	}