diff --git a/sf-buffer/test/test_main.cpp b/sf-buffer/test/test_main.cpp
index e819294..a55e597 100644
--- a/sf-buffer/test/test_main.cpp
+++ b/sf-buffer/test/test_main.cpp
@@ -1,4 +1,5 @@
 #include "gtest/gtest.h"
+#include "test_sf_replay.cpp"
 
 using namespace std;
 
diff --git a/sf-buffer/test/test_sf_replay.cpp b/sf-buffer/test/test_sf_replay.cpp
new file mode 100644
index 0000000..8b95986
--- /dev/null
+++ b/sf-buffer/test/test_sf_replay.cpp
@@ -0,0 +1,18 @@
+#include "gtest/gtest.h"
+#include "../src/sf_replay.cpp"
+
+using namespace std;
+
+
+TEST(sf_replay, non_aligned_start)
+{
+    auto ctx = zmq_ctx_new();
+    auto send_socket = zmq_socket(ctx, ZMQ_PUSH);
+    auto recv_socket = zmq_socket(ctx, ZMQ_PUSH);
+
+    const int linger_ms = 0;
+    zmq_setsockopt(send_socket, ZMQ_LINGER, &linger_ms, sizeof(linger_ms));
+    zmq_setsockopt(recv_socket, ZMQ_LINGER, &linger_ms, sizeof(linger_ms));
+
+//    sf_replay();
+}
\ No newline at end of file