gsignal: Add support for signals defined on interfaces

Previously the checker would not find the information about a signal
which was defined on an interface implemented by the dynamic instance
object (or one of its superclasses).

2 files changed, 36 insertions, 0 deletions

diff --git a/tests/gsignal-connect.c b/tests/gsignal-connect.c
index ea8ea6b..ea9e7bb 100644
--- a/tests/gsignal-connect.c
+++ b/tests/gsignal-connect.c
@@ -323,3 +323,24 @@
 	g_signal_connect_swapped (app, "activate",
 	                          G_CALLBACK (g_object_run_dispose), some_object);
 }
+
+/*
+ * No error
+ */
+{
+	// Connecting to a signal defined on an interface.
+	GDBusObject *obj = g_malloc (5);  // only checking the type
+	g_signal_connect (obj, "interface-added",
+	                  (GCallback) dbus_object_interface_added_cb, NULL);
+}
+
+/*
+ * No error
+ */
+{
+	// Connecting to a signal defined on an interface implemented by the
+	// object.
+	GDBusObjectProxy *proxy = g_malloc (5);  // only checking the type
+	g_signal_connect (proxy, "interface-added",
+	                  (GCallback) dbus_object_interface_added_cb, NULL);
+}
diff --git a/tests/gsignal.head.c b/tests/gsignal.head.c
index ec6e6d0..c6b70ef 100644
--- a/tests/gsignal.head.c
+++ b/tests/gsignal.head.c
@@ -119,6 +119,21 @@ application_activate_swapped_excess_arguments_cb (GSettings *self,
 	/* Done */
 }
 
+static void
+dbus_object_interface_added_cb (GDBusObject *obj, GDBusInterface *iface,
+                                gpointer user_data)
+{
+	/* Done */
+}
+
+static void
+dbus_object_proxy_interface_added_cb (GDBusObjectProxy *obj,
+                                      GDBusInterface *iface,
+                                      gpointer user_data)
+{
+	/* Done */
+}
+
 int
 main (void)
 {