tests: add implementation of an interface

The implementation as a method returning itself as its implemented
interface type.

https://bugzilla.gnome.org/show_bug.cgi?id=727824

2 files changed, 66 insertions, 0 deletions

diff --git a/tests/gimarshallingtests.c b/tests/gimarshallingtests.c
index bd3fe811..ee75de51 100644
--- a/tests/gimarshallingtests.c
+++ b/tests/gimarshallingtests.c
@@ -4640,6 +4640,7 @@ gi_marshalling_tests_interface_get_type (void)
   static GType type = 0;
   if (type == 0)
     {
+      /* Not adding prerequisite here for test purposes */
       type = g_type_register_static_simple (G_TYPE_INTERFACE,
                                             "GIMarshallingTestsInterface",
                                             sizeof
@@ -4671,6 +4672,42 @@ gi_marshalling_tests_test_interface_test_int8_in (GIMarshallingTestsInterface *t
 }
 
 
+static void test_interface_init (GIMarshallingTestsInterfaceIface *iface);
+
+G_DEFINE_TYPE_WITH_CODE (GIMarshallingTestsInterfaceImpl, gi_marshalling_tests_interface_impl, G_TYPE_OBJECT,
+                         G_IMPLEMENT_INTERFACE(GI_MARSHALLING_TESTS_TYPE_INTERFACE, test_interface_init))
+
+static void
+gi_marshalling_tests_interface_impl_test_int8_in (GIMarshallingTestsInterface *self, gint8 in)
+{
+}
+
+static void test_interface_init (GIMarshallingTestsInterfaceIface *iface)
+{
+  iface->test_int8_in = gi_marshalling_tests_interface_impl_test_int8_in;
+}
+
+static void
+gi_marshalling_tests_interface_impl_init (GIMarshallingTestsInterfaceImpl *object)
+{
+}
+
+static void
+gi_marshalling_tests_interface_impl_class_init (GIMarshallingTestsInterfaceImplClass *klass)
+{
+}
+
+/**
+ * gi_marshalling_tests_interface_impl_get_as_interface:
+ *
+ * Returns: (transfer none):
+ */
+GIMarshallingTestsInterface *
+gi_marshalling_tests_interface_impl_get_as_interface (GIMarshallingTestsInterfaceImpl *self)
+{
+  return (GIMarshallingTestsInterface *) self;
+}
+
 static void
 gi_marshalling_tests_interface2_class_init (void *g_iface)
 {
diff --git a/tests/gimarshallingtests.h b/tests/gimarshallingtests.h
index 5568a6f9..aa2c2228 100644
--- a/tests/gimarshallingtests.h
+++ b/tests/gimarshallingtests.h
@@ -1003,6 +1003,35 @@ void gi_marshalling_tests_interface_test_int8_in (GIMarshallingTestsInterface *s
 
 void gi_marshalling_tests_test_interface_test_int8_in (GIMarshallingTestsInterface *test_iface, gint8 in);
 
+/* GIMarshallingTestsInterfaceImpl is a class that implements
+   GIMarshallingTestsInterface */
+
+#define GI_MARSHALLING_TESTS_TYPE_INTERFACE_IMPL     (gi_marshalling_tests_interface_impl_get_type ())
+#define GI_MARSHALLING_TESTS_INTERFACE_IMPL(obj)     (G_TYPE_CHECK_INSTANCE_CAST ((obj), GI_MARSHALLING_TESTS_TYPE_INTERFACE_IMPL, GIMarshallingTestsInterfaceImpl))
+#define GI_MARSHALLING_TESTS_INTERFACE_IMPL_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GI_MARSHALLING_TESTS_TYPE_INTERFACE_IMPL, GIMarshallingTestsInterfaceImplClass))
+#define GI_MARSHALLING_TESTS_IS_INTERFACE_IMPL(obj)  (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GI_MARSHALLING_TESTS_TYPE_INTERFACE_IMPL))
+#define GI_MARSHALLING_TESTS_IS_INTERFACE_IMPL_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GI_MARSHALLING_TESTS_TYPE_INTERFACE_IMPL))
+#define GI_MARSHALLING_TESTS_INTERFACE_IMPL_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GI_MARSHALLING_TESTS_TYPE_INTERFACE_IMPL, GIMarshallingTestsInterfaceImplClass))
+
+
+typedef struct _GIMarshallingTestsInterfaceImplClass GIMarshallingTestsInterfaceImplClass;
+typedef struct _GIMarshallingTestsInterfaceImpl GIMarshallingTestsInterfaceImpl;
+
+struct _GIMarshallingTestsInterfaceImplClass
+{
+    GObjectClass parent_class;
+};
+
+struct _GIMarshallingTestsInterfaceImpl
+{
+    GObject parent_instance;
+
+    gint int_;
+};
+
+GType gi_marshalling_tests_interface_impl_get_type (void) G_GNUC_CONST;
+GIMarshallingTestsInterface *gi_marshalling_tests_interface_impl_get_as_interface (GIMarshallingTestsInterfaceImpl *self);
+
 /* GIMarshallingTestsInterface2 allows us testing vfunc clashes when a class'
    vfunc implementation ambiguously relates to its prototype */