#include /* --------------------------------- */ /* test_object_constructor_singleton */ typedef GObject MySingletonObject; typedef GObjectClass MySingletonObjectClass; GType my_singleton_object_get_type (void); G_DEFINE_TYPE (MySingletonObject, my_singleton_object, G_TYPE_OBJECT) static MySingletonObject *singleton; static void my_singleton_object_init (MySingletonObject *obj) { } static GObject * my_singleton_object_constructor (GType type, guint n_construct_properties, GObjectConstructParam *construct_params) { GObject *object; if (singleton) return g_object_ref (singleton); object = G_OBJECT_CLASS (my_singleton_object_parent_class)-> constructor (type, n_construct_properties, construct_params); singleton = (MySingletonObject *)object; return object; } static void my_singleton_object_finalize (MySingletonObject *obj) { singleton = NULL; G_OBJECT_CLASS (my_singleton_object_parent_class)->finalize (obj); } static void my_singleton_object_class_init (MySingletonObjectClass *klass) { GObjectClass *object_class = G_OBJECT_CLASS (klass); object_class->constructor = my_singleton_object_constructor; object_class->finalize = my_singleton_object_finalize; } static void test_object_constructor_singleton (void) { MySingletonObject *one, *two, *three; one = g_object_new (my_singleton_object_get_type (), NULL); g_assert_cmpint (G_OBJECT (one)->ref_count, ==, 1); two = g_object_new (my_singleton_object_get_type (), NULL); g_assert (one == two); g_assert_cmpint (G_OBJECT (two)->ref_count, ==, 2); three = g_object_new (my_singleton_object_get_type (), NULL); g_assert (one == three); g_assert_cmpint (G_OBJECT (three)->ref_count, ==, 3); g_object_add_weak_pointer (G_OBJECT (one), (gpointer *)&one); g_object_unref (one); g_assert (one != NULL); g_object_unref (three); g_object_unref (two); g_assert (one == NULL); } /* ----------------------------------- */ /* test_object_constructor_infanticide */ typedef GObject MyInfanticideObject; typedef GObjectClass MyInfanticideObjectClass; GType my_infanticide_object_get_type (void); G_DEFINE_TYPE (MyInfanticideObject, my_infanticide_object, G_TYPE_OBJECT) static void my_infanticide_object_init (MyInfanticideObject *obj) { } static GObject * my_infanticide_object_constructor (GType type, guint n_construct_properties, GObjectConstructParam *construct_params) { GObject *object; object = G_OBJECT_CLASS (my_infanticide_object_parent_class)-> constructor (type, n_construct_properties, construct_params); g_object_unref (object); g_assert_not_reached (); return NULL; } static void my_infanticide_object_class_init (MyInfanticideObjectClass *klass) { GObjectClass *object_class = G_OBJECT_CLASS (klass); object_class->constructor = my_infanticide_object_constructor; } static void test_object_constructor_infanticide_subprocess (void) { g_object_new (my_infanticide_object_get_type (), NULL); g_assert_not_reached (); } static void test_object_constructor_infanticide (void) { g_test_bug ("661576"); g_test_trap_subprocess ("/object/constructor/infanticide/subprocess", 0, 0); g_test_trap_assert_failed (); g_test_trap_assert_stderr ("*finalized while still in-construction*"); g_test_trap_assert_stderr_unmatched ("*reached*"); } /* --------------------------------- */ int main (int argc, char *argv[]) { g_test_init (&argc, &argv, NULL); g_test_bug_base ("http://bugzilla.gnome.org/"); g_test_add_func ("/object/constructor/singleton", test_object_constructor_singleton); g_test_add_func ("/object/constructor/infanticide", test_object_constructor_infanticide); g_test_add_func ("/object/constructor/infanticide/subprocess", test_object_constructor_infanticide_subprocess); return g_test_run (); }