Problem: no test case for zmq::monitor_t::init

Solution: added test case

tests/CMakeLists.txt

@@ -23,11 +23,13 @@ add_executable(
     poller.cpp
     active_poller.cpp
     multipart.cpp
+	monitor.cpp
     )
 
 target_link_libraries(
     unit_tests
-    PRIVATE gtest_main
+	PRIVATE gtest
+	PRIVATE gmock_main
     PRIVATE cppzmq
     )
 

tests/monitor.cpp

@@ -0,0 +1,42 @@
+#include <gtest/gtest.h>
+#include <gmock/gmock.h>
+#include <zmq.hpp>
+
+class mock_monitor_t : public zmq::monitor_t
+{
+  public:
+    MOCK_METHOD2(on_event_connect_delayed, void(const zmq_event_t &, const char *));
+    MOCK_METHOD2(on_event_connected, void(const zmq_event_t &, const char *));
+};
+
+TEST(monitor, create_destroy)
+{
+    zmq::monitor_t monitor;
+}
+
+TEST(monitor, init_check)
+{
+    zmq::context_t ctx;
+    zmq::socket_t bind_socket(ctx, ZMQ_DEALER);
+
+    bind_socket.bind("tcp://127.0.0.1:*");
+    char endpoint[255];
+    size_t endpoint_len = sizeof(endpoint);
+    bind_socket.getsockopt(ZMQ_LAST_ENDPOINT, &endpoint, &endpoint_len);
+
+    zmq::socket_t connect_socket(ctx, ZMQ_DEALER);
+
+    mock_monitor_t monitor;
+    EXPECT_CALL(monitor, on_event_connect_delayed(testing::_, testing::_))
+      .Times(testing::AtLeast(1));
+    EXPECT_CALL(monitor, on_event_connected(testing::_, testing::_))
+      .Times(testing::AtLeast(1));
+
+    monitor.init(connect_socket, "inproc://foo");
+
+    ASSERT_FALSE(monitor.check_event(0));
+    connect_socket.connect(endpoint);
+
+    while (monitor.check_event(100)) {
+    }
+}