[glib/w32-testsuite-fixes-socket: 2/3] socket test: Bind Windows UDP sockets before calling recv()

[LRN <ruslanizhb src gnome org>]

commit f150de213989639da3f8cfd7d5760ab4060df410
Author: Руслан Ижбулатов <lrn1986 gmail com>
Date:   Mon Feb 11 23:44:55 2019 +0000

    socket test: Bind Windows UDP sockets before calling recv()
    
    Winsock can't recv() on unbound UDP sockets. Bind the socket
    to loopback before trying to receive data on it.

 gio/tests/socket.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
---
diff --git a/gio/tests/socket.c b/gio/tests/socket.c
index 064202d11..a3f3c43cb 100644
--- a/gio/tests/socket.c
+++ b/gio/tests/socket.c
@@ -829,6 +829,10 @@ test_ip_sync_dgram_timeouts (GSocketFamily family)
   GCancellable *cancellable = NULL;
   GThread *cancellable_thread = NULL;
   gssize len;
+#ifdef G_OS_WIN32
+  GInetAddress *iaddr;
+  GSocketAddress *addr;
+#endif
 
   client = g_socket_new (family,
                          G_SOCKET_TYPE_DATAGRAM,
@@ -840,6 +844,16 @@ test_ip_sync_dgram_timeouts (GSocketFamily family)
   g_assert_cmpint (g_socket_get_socket_type (client), ==, G_SOCKET_TYPE_DATAGRAM);
   g_assert_cmpint (g_socket_get_protocol (client), ==, G_SOCKET_PROTOCOL_DEFAULT);
 
+#ifdef G_OS_WIN32
+  /* Winsock can't recv() on unbound udp socket */
+  iaddr = g_inet_address_new_loopback (family);
+  addr = g_inet_socket_address_new (iaddr, 0);
+  g_object_unref (iaddr);
+  g_socket_bind (client, addr, TRUE, &error);
+  g_object_unref (addr);
+  g_assert_no_error (error);
+#endif
+
   /* No overall timeout: test the per-operation timeouts instead. */
   g_socket_set_timeout (client, 0);