Problem: test file not correctly named

Solution: move and split example_add.cpp

tests/CMakeLists.txt

@@ -22,7 +22,8 @@ fetch_googletest(
 
 add_executable(
     unit_tests
-    example_add.cpp
+    context.cpp
+    socket.cpp
     )
 
 target_link_libraries(

tests/context.cpp

@@ -13,9 +13,3 @@ TEST(context, create_close)
     
     ASSERT_EQ(NULL, (void*)context);
 }
-
-TEST(socket, create_destroy)
-{
-    zmq::context_t context;
-    zmq::socket_t socket(context, ZMQ_ROUTER);
-}

tests/socket.cpp

@@ -0,0 +1,9 @@
+#include <gtest/gtest.h>
+#include <zmq.hpp>
+
+TEST(socket, create_destroy)
+{
+    zmq::context_t context;
+    zmq::socket_t socket(context, ZMQ_ROUTER);
+}
+