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gsocketclient: Add unit test for leak of task data in error path

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The unit test cover the error path that causes the leak described in
https://gitlab.gnome.org/GNOME/glib/-/issues/3184.
This commit is contained in:
Johan Sternerup 2024-06-03 15:23:14 +02:00 committed by Philip Withnall
parent 1942dd5b5c
commit 9fccda086a
1 changed files with 66 additions and 1 deletions
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67
gio/tests/gsocketclient-slow.c
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@ -19,6 +19,7 @@
*/
#include <gio/gio.h>
#include <gio/gnetworking.h> /* For IPV6_V6ONLY */
static void
on_connected (GObject *source_object,
@ -173,6 +174,70 @@ test_happy_eyeballs_cancel_instant (void)
g_object_unref (cancel);
}
static void
async_result_cb (GObject *source,
GAsyncResult *res,
gpointer user_data)
{
GAsyncResult **result_out = user_data;
g_assert_null (*result_out);
*result_out = g_object_ref (res);
g_main_context_wakeup (NULL);
}
static void
test_connection_failed (void)
{
GSocketClient *client = NULL;
GInetAddress *inet_address = NULL;
GSocketAddress *address = NULL;
GSocket *socket = NULL;
guint16 port;
GAsyncResult *async_result = NULL;
GSocketConnection *conn = NULL;
GError *local_error = NULL;
g_test_bug ("https://gitlab.gnome.org/GNOME/glib/-/issues/3184");
inet_address = g_inet_address_new_any (G_SOCKET_FAMILY_IPV6);
address = g_inet_socket_address_new (inet_address, 0);
g_object_unref (inet_address);
socket = g_socket_new (G_SOCKET_FAMILY_IPV6, G_SOCKET_TYPE_STREAM, G_SOCKET_PROTOCOL_TCP, &local_error);
g_assert_no_error (local_error);
g_socket_set_option (socket, IPPROTO_IPV6, IPV6_V6ONLY, FALSE, NULL);
g_socket_bind (socket, address, TRUE, &local_error);
g_assert_no_error (local_error);
/* reserve a port without listening so we know that connecting to it will fail */
port = g_inet_socket_address_get_port (G_INET_SOCKET_ADDRESS (address));
client = g_socket_client_new ();
/* Connect to the port we have reserved but do not listen to. Because of the slow connection
* caused by slow-connect-preload.c and the fact that we try to connect to both IPv4 and IPv6
* we will in some way exercise the code path in try_next_connection_or_finish() that ends
* with a call to complete_connection_with_error(). This path previously had a memory leak.
* Note that the slowness is important, because without it we could bail out already in the
* address enumeration phase because it finishes when there are no connection attempts in
* progress. */
g_socket_client_connect_to_host_async (client, "localhost", port, NULL, async_result_cb, &async_result);
while (async_result == NULL)
g_main_context_iteration (NULL, TRUE);
conn = g_socket_client_connect_to_uri_finish (client, async_result, &local_error);
g_assert_error (local_error, G_IO_ERROR, G_IO_ERROR_CONNECTION_REFUSED);
g_assert_null (conn);
g_clear_error (&local_error);
g_clear_object (&async_result);
g_clear_object (&client);
g_clear_object (&socket);
g_clear_object (&address);
}
int
main (int argc, char *argv[])
{
@ -181,7 +246,7 @@ main (int argc, char *argv[])
g_test_add_func ("/socket-client/happy-eyeballs/slow", test_happy_eyeballs);
g_test_add_func ("/socket-client/happy-eyeballs/cancellation/instant", test_happy_eyeballs_cancel_instant);
g_test_add_func ("/socket-client/happy-eyeballs/cancellation/delayed", test_happy_eyeballs_cancel_delayed);
g_test_add_func ("/socket-client/connection-fail", test_connection_failed);
return g_test_run ();
}