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Problem: no test case for polling pending connect that ultimately fails

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Solution: added test case, reproduces the likely cause for #3107
This commit is contained in:
Simon Giesecke
2018-05-22 14:08:24 +02:00
parent c178193c50
commit ee85957dc4
1 changed files with 54 additions and 0 deletions
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54
unittests/unittest_poller.cpp
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@@ -205,6 +205,56 @@ void test_add_fd_and_remove_by_timer ()
close_fdpair (w, r);
}
#ifdef _WIN32
void test_add_fd_with_pending_failing_connect ()
{
zmq::thread_ctx_t thread_ctx;
zmq::poller_t poller (thread_ctx);
zmq::fd_t bind_socket = socket (AF_INET, SOCK_STREAM, 0);
sockaddr_in addr = {0};
addr.sin_family = AF_INET;
addr.sin_addr.s_addr = htonl (INADDR_LOOPBACK);
addr.sin_port = 0;
TEST_ASSERT_EQUAL_INT (0, bind (bind_socket,
reinterpret_cast<const sockaddr *> (&addr),
sizeof (addr)));
int addr_len = static_cast<int> (sizeof (addr));
TEST_ASSERT_EQUAL_INT (0, getsockname (bind_socket,
reinterpret_cast<sockaddr *> (&addr),
&addr_len));
zmq::fd_t connect_socket = socket (AF_INET, SOCK_STREAM, 0);
zmq::unblock_socket (connect_socket);
TEST_ASSERT_EQUAL_INT (
-1, connect (connect_socket, reinterpret_cast<const sockaddr *> (&addr),
sizeof (addr)));
TEST_ASSERT_EQUAL_INT (WSAEWOULDBLOCK, WSAGetLastError ());
test_events_t events (connect_socket, poller);
zmq::poller_t::handle_t handle = poller.add_fd (connect_socket, &events);
events.set_handle (handle);
poller.set_pollin (handle);
poller.start ();
wait_in_events (events);
int value;
int value_len = sizeof (value);
TEST_ASSERT_EQUAL_INT (0, getsockopt (connect_socket, SOL_SOCKET, SO_ERROR,
reinterpret_cast<char *> (&value),
&value_len));
TEST_ASSERT_EQUAL_INT (WSAECONNREFUSED, value);
// required cleanup
close (connect_socket);
close (bind_socket);
}
#endif
int main (void)
{
UNITY_BEGIN ();
@@ -216,6 +266,10 @@ int main (void)
RUN_TEST (test_add_fd_and_start_and_receive_data);
RUN_TEST (test_add_fd_and_remove_by_timer);
#if defined _WIN32
RUN_TEST (test_add_fd_with_pending_failing_connect);
#endif
zmq::shutdown_network ();
return UNITY_END ();