Blame gobject/tests/reference.c

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#include <glib-object.h>
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static void
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test_fundamentals (void)
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{
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  g_assert (G_TYPE_IS_FUNDAMENTAL (G_TYPE_NONE));
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  g_assert (G_TYPE_IS_FUNDAMENTAL (G_TYPE_INTERFACE));
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  g_assert (G_TYPE_IS_FUNDAMENTAL (G_TYPE_CHAR));
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  g_assert (G_TYPE_IS_FUNDAMENTAL (G_TYPE_UCHAR));
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  g_assert (G_TYPE_IS_FUNDAMENTAL (G_TYPE_BOOLEAN));
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  g_assert (G_TYPE_IS_FUNDAMENTAL (G_TYPE_INT));
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  g_assert (G_TYPE_IS_FUNDAMENTAL (G_TYPE_UINT));
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  g_assert (G_TYPE_IS_FUNDAMENTAL (G_TYPE_LONG));
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  g_assert (G_TYPE_IS_FUNDAMENTAL (G_TYPE_ULONG));
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  g_assert (G_TYPE_IS_FUNDAMENTAL (G_TYPE_INT64));
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  g_assert (G_TYPE_IS_FUNDAMENTAL (G_TYPE_UINT64));
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  g_assert (G_TYPE_IS_FUNDAMENTAL (G_TYPE_ENUM));
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  g_assert (G_TYPE_IS_FUNDAMENTAL (G_TYPE_FLAGS));
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  g_assert (G_TYPE_IS_FUNDAMENTAL (G_TYPE_FLOAT));
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  g_assert (G_TYPE_IS_FUNDAMENTAL (G_TYPE_DOUBLE));
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  g_assert (G_TYPE_IS_FUNDAMENTAL (G_TYPE_STRING));
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  g_assert (G_TYPE_IS_FUNDAMENTAL (G_TYPE_POINTER));
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  g_assert (G_TYPE_IS_FUNDAMENTAL (G_TYPE_BOXED));
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  g_assert (G_TYPE_IS_FUNDAMENTAL (G_TYPE_PARAM));
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  g_assert (G_TYPE_IS_FUNDAMENTAL (G_TYPE_OBJECT));
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  g_assert (G_TYPE_OBJECT == g_object_get_type ());
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  g_assert (G_TYPE_IS_FUNDAMENTAL (G_TYPE_VARIANT));
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  g_assert (G_TYPE_IS_DERIVED (G_TYPE_INITIALLY_UNOWNED));
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  g_assert (g_type_fundamental_next () == G_TYPE_MAKE_FUNDAMENTAL (G_TYPE_RESERVED_USER_FIRST));
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}
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static void
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test_type_qdata (void)
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{
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  gchar *data;
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  g_type_set_qdata (G_TYPE_ENUM, g_quark_from_string ("bla"), "bla");
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  data = g_type_get_qdata (G_TYPE_ENUM, g_quark_from_string ("bla"));
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  g_assert_cmpstr (data, ==, "bla");
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}
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static void
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test_type_query (void)
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{
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  GTypeQuery query;
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  g_type_query (G_TYPE_ENUM, &query);
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  g_assert_cmpint (query.type, ==, G_TYPE_ENUM);
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  g_assert_cmpstr (query.type_name, ==, "GEnum");
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  g_assert_cmpint (query.class_size, ==, sizeof (GEnumClass));
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  g_assert_cmpint (query.instance_size, ==, 0);
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}
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typedef struct _MyObject MyObject;
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typedef struct _MyObjectClass MyObjectClass;
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typedef struct _MyObjectClassPrivate MyObjectClassPrivate;
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struct _MyObject
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{
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  GObject parent_instance;
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  gint count;
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};
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struct _MyObjectClass
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{
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  GObjectClass parent_class;
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};
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struct _MyObjectClassPrivate
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{
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  gint secret_class_count;
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};
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static GType my_object_get_type (void);
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G_DEFINE_TYPE_WITH_CODE (MyObject, my_object, G_TYPE_OBJECT,
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                         g_type_add_class_private (g_define_type_id, sizeof (MyObjectClassPrivate)) );
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static void
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my_object_init (MyObject *obj)
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{
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  obj->count = 42;
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}
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static void
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my_object_class_init (MyObjectClass *klass)
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{
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}
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static void
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test_class_private (void)
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{
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  GObject *obj;
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  MyObjectClass *class;
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  MyObjectClassPrivate *priv;
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  obj = g_object_new (my_object_get_type (), NULL);
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  class = g_type_class_ref (my_object_get_type ());
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  priv = G_TYPE_CLASS_GET_PRIVATE (class, my_object_get_type (), MyObjectClassPrivate);
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  priv->secret_class_count = 13;
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  g_type_class_unref (class);
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  g_object_unref (obj);
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  g_assert_cmpint (g_type_qname (my_object_get_type ()), ==, g_quark_from_string ("MyObject"));
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}
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static void
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test_clear (void)
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{
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  GObject *o = NULL;
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  GObject *tmp;
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  g_clear_object (&o);
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  g_assert (o == NULL);
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  tmp = g_object_new (G_TYPE_OBJECT, NULL);
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  g_assert_cmpint (tmp->ref_count, ==, 1);
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  o = g_object_ref (tmp);
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  g_assert (o != NULL);
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  g_assert_cmpint (tmp->ref_count, ==, 2);
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  g_clear_object (&o);
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  g_assert_cmpint (tmp->ref_count, ==, 1);
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  g_assert (o == NULL);
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  g_object_unref (tmp);
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}
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static void
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test_clear_function (void)
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{
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  volatile GObject *o = NULL;
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  GObject *tmp;
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  (g_clear_object) (&o);
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  g_assert (o == NULL);
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  tmp = g_object_new (G_TYPE_OBJECT, NULL);
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  g_assert_cmpint (tmp->ref_count, ==, 1);
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  o = g_object_ref (tmp);
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  g_assert (o != NULL);
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  g_assert_cmpint (tmp->ref_count, ==, 2);
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  (g_clear_object) (&o);
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  g_assert_cmpint (tmp->ref_count, ==, 1);
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  g_assert (o == NULL);
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  g_object_unref (tmp);
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}
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static void
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test_set (void)
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{
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  GObject *o = NULL;
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  GObject *tmp;
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  g_assert (!g_set_object (&o, NULL));
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  g_assert (o == NULL);
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  tmp = g_object_new (G_TYPE_OBJECT, NULL);
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  g_assert_cmpint (tmp->ref_count, ==, 1);
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  g_assert (g_set_object (&o, tmp));
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  g_assert (o == tmp);
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  g_assert_cmpint (tmp->ref_count, ==, 2);
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  g_object_unref (tmp);
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  g_assert_cmpint (tmp->ref_count, ==, 1);
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  /* Setting it again shouldn’t cause finalisation. */
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  g_assert (!g_set_object (&o, tmp));
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  g_assert (o == tmp);
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  g_assert_cmpint (tmp->ref_count, ==, 1);
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  g_assert (g_set_object (&o, NULL));
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  g_assert (o == NULL);
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  g_assert (!G_IS_OBJECT (tmp));  /* finalised */
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}
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static void
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test_set_function (void)
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{
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  GObject *o = NULL;
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  GObject *tmp;
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  g_assert (!(g_set_object) (&o, NULL));
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  g_assert (o == NULL);
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  tmp = g_object_new (G_TYPE_OBJECT, NULL);
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  g_assert_cmpint (tmp->ref_count, ==, 1);
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  g_assert ((g_set_object) (&o, tmp));
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  g_assert (o == tmp);
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  g_assert_cmpint (tmp->ref_count, ==, 2);
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  g_object_unref (tmp);
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  g_assert_cmpint (tmp->ref_count, ==, 1);
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  /* Setting it again shouldn’t cause finalisation. */
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  g_assert (!(g_set_object) (&o, tmp));
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  g_assert (o == tmp);
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  g_assert_cmpint (tmp->ref_count, ==, 1);
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  g_assert ((g_set_object) (&o, NULL));
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  g_assert (o == NULL);
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  g_assert (!G_IS_OBJECT (tmp));  /* finalised */
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}
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static void
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toggle_cb (gpointer data, GObject *obj, gboolean is_last)
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{
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  gboolean *b = data;
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  *b = TRUE;
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}
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static void
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test_object_value (void)
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{
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  GObject *v;
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  GObject *v2;
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  GValue value = G_VALUE_INIT;
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  gboolean toggled = FALSE;
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  g_value_init (&value, G_TYPE_OBJECT);
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  v = g_object_new (G_TYPE_OBJECT, NULL);
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  g_object_add_toggle_ref (v, toggle_cb, &toggled);
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  g_value_take_object (&value, v);
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  v2 = g_value_get_object (&value);
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  g_assert (v2 == v);
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  v2 = g_value_dup_object (&value);
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  g_assert (v2 == v);  /* objects use ref/unref for copy/free */
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  g_object_unref (v2);
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  g_assert (!toggled);
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  g_value_unset (&value);
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  g_assert (toggled);
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  /* test the deprecated variant too */
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  g_value_init (&value, G_TYPE_OBJECT);
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  /* get a new reference */
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  g_object_ref (v);
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G_GNUC_BEGIN_IGNORE_DEPRECATIONS
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  g_value_set_object_take_ownership (&value, v);
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G_GNUC_END_IGNORE_DEPRECATIONS
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  toggled = FALSE;
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  g_value_unset (&value);
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  g_assert (toggled);
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  g_object_remove_toggle_ref (v, toggle_cb, &toggled);
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}
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static void
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test_initially_unowned (void)
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{
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  GObject *obj;
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  obj = g_object_new (G_TYPE_INITIALLY_UNOWNED, NULL);
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  g_assert (g_object_is_floating (obj));
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  g_assert_cmpint (obj->ref_count, ==, 1);
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  g_object_ref_sink (obj);
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  g_assert (!g_object_is_floating (obj));
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  g_assert_cmpint (obj->ref_count, ==, 1);
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  g_object_ref_sink (obj);
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  g_assert (!g_object_is_floating (obj));
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  g_assert_cmpint (obj->ref_count, ==, 2);
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  g_object_unref (obj);
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  g_assert_cmpint (obj->ref_count, ==, 1);
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  g_object_force_floating (obj);
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  g_assert (g_object_is_floating (obj));
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  g_assert_cmpint (obj->ref_count, ==, 1);
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  g_object_ref_sink (obj);
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  g_object_unref (obj);
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}
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static void
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test_weak_pointer (void)
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{
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  GObject *obj;
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  gpointer weak;
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  gpointer weak2;
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  weak = weak2 = obj = g_object_new (G_TYPE_OBJECT, NULL);
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  g_assert_cmpint (obj->ref_count, ==, 1);
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  g_object_add_weak_pointer (obj, &weak);
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  g_object_add_weak_pointer (obj, &weak2);
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  g_assert_cmpint (obj->ref_count, ==, 1);
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  g_assert (weak == obj);
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  g_assert (weak2 == obj);
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  g_object_remove_weak_pointer (obj, &weak2);
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  g_assert_cmpint (obj->ref_count, ==, 1);
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  g_assert (weak == obj);
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  g_assert (weak2 == obj);
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  g_object_unref (obj);
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  g_assert (weak == NULL);
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  g_assert (weak2 == obj);
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}
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static void
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test_weak_pointer_clear (void)
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{
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  GObject *obj;
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  gpointer weak = NULL;
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  g_clear_weak_pointer (&weak);
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  g_assert_null (weak);
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  weak = obj = g_object_new (G_TYPE_OBJECT, NULL);
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  g_assert_cmpint (obj->ref_count, ==, 1);
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  g_object_add_weak_pointer (obj, &weak);
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  g_assert_cmpint (obj->ref_count, ==, 1);
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  g_assert_true (weak == obj);
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  g_clear_weak_pointer (&weak);
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  g_assert_cmpint (obj->ref_count, ==, 1);
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  g_assert_null (weak);
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  g_object_unref (obj);
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}
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static void
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test_weak_pointer_clear_function (void)
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{
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  GObject *obj;
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  gpointer weak = NULL;
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  (g_clear_weak_pointer) (&weak);
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  g_assert_null (weak);
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  weak = obj = g_object_new (G_TYPE_OBJECT, NULL);
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  g_assert_cmpint (obj->ref_count, ==, 1);
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  g_object_add_weak_pointer (obj, &weak);
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  g_assert_cmpint (obj->ref_count, ==, 1);
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  g_assert_true (weak == obj);
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  (g_clear_weak_pointer) (&weak);
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  g_assert_cmpint (obj->ref_count, ==, 1);
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  g_assert_null (weak);
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  g_object_unref (obj);
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}
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static void
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test_weak_pointer_set (void)
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{
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  GObject *obj;
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  gpointer weak = NULL;
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  g_assert_false (g_set_weak_pointer (&weak, NULL));
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  g_assert_null (weak);
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  obj = g_object_new (G_TYPE_OBJECT, NULL);
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  g_assert_cmpint (obj->ref_count, ==, 1);
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  g_assert_true (g_set_weak_pointer (&weak, obj));
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  g_assert_cmpint (obj->ref_count, ==, 1);
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  g_assert_true (weak == obj);
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  g_assert_true (g_set_weak_pointer (&weak, NULL));
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  g_assert_cmpint (obj->ref_count, ==, 1);
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  g_assert_null (weak);
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  g_assert_true (g_set_weak_pointer (&weak, obj));
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  g_assert_cmpint (obj->ref_count, ==, 1);
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  g_assert_true (weak == obj);
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  g_object_unref (obj);
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  g_assert_null (weak);
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}
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static void
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test_weak_pointer_set_function (void)
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{
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  GObject *obj;
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  gpointer weak = NULL;
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  g_assert_false ((g_set_weak_pointer) (&weak, NULL));
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  g_assert_null (weak);
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  obj = g_object_new (G_TYPE_OBJECT, NULL);
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  g_assert_cmpint (obj->ref_count, ==, 1);
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  g_assert_true ((g_set_weak_pointer) (&weak, obj));
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  g_assert_cmpint (obj->ref_count, ==, 1);
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  g_assert_true (weak == obj);
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  g_assert_true ((g_set_weak_pointer) (&weak, NULL));
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  g_assert_cmpint (obj->ref_count, ==, 1);
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  g_assert_null (weak);
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  g_assert_true ((g_set_weak_pointer) (&weak, obj));
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  g_assert_cmpint (obj->ref_count, ==, 1);
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  g_assert_true (weak == obj);
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  g_object_unref (obj);
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  g_assert_null (weak);
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}
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/* See gobject/tests/threadtests.c for the threaded version */
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static void
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test_weak_ref (void)
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{
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  GObject *obj;
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  GObject *obj2;
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  GObject *tmp;
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  GWeakRef weak = { { GUINT_TO_POINTER (0xDEADBEEFU) } };
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  GWeakRef weak2 = { { GUINT_TO_POINTER (0xDEADBEEFU) } };
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  GWeakRef weak3 = { { GUINT_TO_POINTER (0xDEADBEEFU) } };
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  GWeakRef *dynamic_weak = g_new (GWeakRef, 1);
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  /* you can initialize to empty like this... */
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  g_weak_ref_init (&weak2, NULL);
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  g_assert (g_weak_ref_get (&weak2) == NULL);
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  /* ... or via an initializer */
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  g_weak_ref_init (&weak3, NULL);
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  g_assert (g_weak_ref_get (&weak3) == NULL);
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  obj = g_object_new (G_TYPE_OBJECT, NULL);
Packit ae235b
  g_assert_cmpint (obj->ref_count, ==, 1);
Packit ae235b
Packit ae235b
  obj2 = g_object_new (G_TYPE_OBJECT, NULL);
Packit ae235b
  g_assert_cmpint (obj2->ref_count, ==, 1);
Packit ae235b
Packit ae235b
  /* you can init with an object (even if uninitialized) */
Packit ae235b
  g_weak_ref_init (&weak, obj);
Packit ae235b
  g_weak_ref_init (dynamic_weak, obj);
Packit ae235b
  /* or set to point at an object, if initialized (maybe to 0) */
Packit ae235b
  g_weak_ref_set (&weak2, obj);
Packit ae235b
  g_weak_ref_set (&weak3, obj);
Packit ae235b
  /* none of this affects its refcount */
Packit ae235b
  g_assert_cmpint (obj->ref_count, ==, 1);
Packit ae235b
Packit ae235b
  /* getting the value takes a ref */
Packit ae235b
  tmp = g_weak_ref_get (&weak);
Packit ae235b
  g_assert (tmp == obj);
Packit ae235b
  g_assert_cmpint (obj->ref_count, ==, 2);
Packit ae235b
  g_object_unref (tmp);
Packit ae235b
  g_assert_cmpint (obj->ref_count, ==, 1);
Packit ae235b
Packit ae235b
  tmp = g_weak_ref_get (&weak2);
Packit ae235b
  g_assert (tmp == obj);
Packit ae235b
  g_assert_cmpint (obj->ref_count, ==, 2);
Packit ae235b
  g_object_unref (tmp);
Packit ae235b
  g_assert_cmpint (obj->ref_count, ==, 1);
Packit ae235b
Packit ae235b
  tmp = g_weak_ref_get (&weak3);
Packit ae235b
  g_assert (tmp == obj);
Packit ae235b
  g_assert_cmpint (obj->ref_count, ==, 2);
Packit ae235b
  g_object_unref (tmp);
Packit ae235b
  g_assert_cmpint (obj->ref_count, ==, 1);
Packit ae235b
Packit ae235b
  tmp = g_weak_ref_get (dynamic_weak);
Packit ae235b
  g_assert (tmp == obj);
Packit ae235b
  g_assert_cmpint (obj->ref_count, ==, 2);
Packit ae235b
  g_object_unref (tmp);
Packit ae235b
  g_assert_cmpint (obj->ref_count, ==, 1);
Packit ae235b
Packit ae235b
  /* clearing a weak ref stops tracking */
Packit ae235b
  g_weak_ref_clear (&weak);
Packit ae235b
Packit ae235b
  /* setting a weak ref to NULL stops tracking too */
Packit ae235b
  g_weak_ref_set (&weak2, NULL);
Packit ae235b
  g_assert (g_weak_ref_get (&weak2) == NULL);
Packit ae235b
  g_weak_ref_clear (&weak2);
Packit ae235b
Packit ae235b
  /* setting a weak ref to a new object stops tracking the old one */
Packit ae235b
  g_weak_ref_set (dynamic_weak, obj2);
Packit ae235b
  tmp = g_weak_ref_get (dynamic_weak);
Packit ae235b
  g_assert (tmp == obj2);
Packit ae235b
  g_assert_cmpint (obj2->ref_count, ==, 2);
Packit ae235b
  g_object_unref (tmp);
Packit ae235b
  g_assert_cmpint (obj2->ref_count, ==, 1);
Packit ae235b
Packit ae235b
  g_assert_cmpint (obj->ref_count, ==, 1);
Packit ae235b
Packit ae235b
  /* free the object: weak3 is the only one left pointing there */
Packit ae235b
  g_object_unref (obj);
Packit ae235b
  g_assert (g_weak_ref_get (&weak3) == NULL);
Packit ae235b
Packit ae235b
  /* setting a weak ref to a new object stops tracking the old one */
Packit ae235b
  g_weak_ref_set (dynamic_weak, obj2);
Packit ae235b
  tmp = g_weak_ref_get (dynamic_weak);
Packit ae235b
  g_assert (tmp == obj2);
Packit ae235b
  g_assert_cmpint (obj2->ref_count, ==, 2);
Packit ae235b
  g_object_unref (tmp);
Packit ae235b
  g_assert_cmpint (obj2->ref_count, ==, 1);
Packit ae235b
Packit ae235b
  g_weak_ref_clear (&weak3);
Packit ae235b
Packit ae235b
  /* clear and free dynamic_weak... */
Packit ae235b
  g_weak_ref_clear (dynamic_weak);
Packit ae235b
Packit ae235b
  /* ... to prove that doing so stops this from being a use-after-free */
Packit ae235b
  g_object_unref (obj2);
Packit ae235b
  g_free (dynamic_weak);
Packit ae235b
}
Packit ae235b
Packit ae235b
typedef struct
Packit ae235b
{
Packit ae235b
  gboolean should_be_last;
Packit ae235b
  gint count;
Packit ae235b
} Count;
Packit ae235b
Packit ae235b
static void
Packit ae235b
toggle_notify (gpointer  data,
Packit ae235b
               GObject  *obj,
Packit ae235b
               gboolean  is_last)
Packit ae235b
{
Packit ae235b
  Count *c = data;
Packit ae235b
Packit ae235b
  g_assert (is_last == c->should_be_last);
Packit ae235b
Packit ae235b
  c->count++;
Packit ae235b
}
Packit ae235b
Packit ae235b
static void
Packit ae235b
test_toggle_ref (void)
Packit ae235b
{
Packit ae235b
  GObject *obj;
Packit ae235b
  Count c, c2;
Packit ae235b
Packit ae235b
  obj = g_object_new (G_TYPE_OBJECT, NULL);
Packit ae235b
Packit ae235b
  g_object_add_toggle_ref (obj, toggle_notify, &c);
Packit ae235b
  g_object_add_toggle_ref (obj, toggle_notify, &c2;;
Packit ae235b
Packit ae235b
  c.should_be_last = c2.should_be_last = TRUE;
Packit ae235b
  c.count = c2.count = 0;
Packit ae235b
Packit ae235b
  g_object_unref (obj);
Packit ae235b
Packit ae235b
  g_assert_cmpint (c.count, ==, 0);
Packit ae235b
  g_assert_cmpint (c2.count, ==, 0);
Packit ae235b
Packit ae235b
  g_object_ref (obj);
Packit ae235b
Packit ae235b
  g_assert_cmpint (c.count, ==, 0);
Packit ae235b
  g_assert_cmpint (c2.count, ==, 0);
Packit ae235b
Packit ae235b
  g_object_remove_toggle_ref (obj, toggle_notify, &c2;;
Packit ae235b
Packit ae235b
  g_object_unref (obj);
Packit ae235b
Packit ae235b
  g_assert_cmpint (c.count, ==, 1);
Packit ae235b
Packit ae235b
  c.should_be_last = FALSE;
Packit ae235b
Packit ae235b
  g_object_ref (obj);
Packit ae235b
Packit ae235b
  g_assert_cmpint (c.count, ==, 2);
Packit ae235b
Packit ae235b
  c.should_be_last = TRUE;
Packit ae235b
Packit ae235b
  g_object_unref (obj);
Packit ae235b
Packit ae235b
  g_assert_cmpint (c.count, ==, 3);
Packit ae235b
Packit ae235b
  g_object_remove_toggle_ref (obj, toggle_notify, &c);
Packit ae235b
}
Packit ae235b
Packit ae235b
static gboolean destroyed;
Packit ae235b
static gint value;
Packit ae235b
Packit ae235b
static void
Packit ae235b
data_destroy (gpointer data)
Packit ae235b
{
Packit ae235b
  g_assert_cmpint (GPOINTER_TO_INT (data), ==, value);
Packit ae235b
Packit ae235b
  destroyed = TRUE;
Packit ae235b
}
Packit ae235b
Packit ae235b
static void
Packit ae235b
test_object_qdata (void)
Packit ae235b
{
Packit ae235b
  GObject *obj;
Packit ae235b
  gpointer v;
Packit ae235b
  GQuark quark;
Packit ae235b
Packit ae235b
  obj = g_object_new (G_TYPE_OBJECT, NULL);
Packit ae235b
Packit ae235b
  value = 1;
Packit ae235b
  destroyed = FALSE;
Packit ae235b
  g_object_set_data_full (obj, "test", GINT_TO_POINTER (1), data_destroy);
Packit ae235b
  v = g_object_get_data (obj, "test");
Packit ae235b
  g_assert_cmpint (GPOINTER_TO_INT (v), ==, 1);
Packit ae235b
  g_object_set_data_full (obj, "test", GINT_TO_POINTER (2), data_destroy);
Packit ae235b
  g_assert (destroyed);
Packit ae235b
  value = 2;
Packit ae235b
  destroyed = FALSE;
Packit ae235b
  v = g_object_steal_data (obj, "test");
Packit ae235b
  g_assert_cmpint (GPOINTER_TO_INT (v), ==, 2);
Packit ae235b
  g_assert (!destroyed);
Packit ae235b
Packit ae235b
  value = 1;
Packit ae235b
  destroyed = FALSE;
Packit ae235b
  quark = g_quark_from_string ("test");
Packit ae235b
  g_object_set_qdata_full (obj, quark, GINT_TO_POINTER (1), data_destroy);
Packit ae235b
  v = g_object_get_qdata (obj, quark);
Packit ae235b
  g_assert_cmpint (GPOINTER_TO_INT (v), ==, 1);
Packit ae235b
  g_object_set_qdata_full (obj, quark, GINT_TO_POINTER (2), data_destroy);
Packit ae235b
  g_assert (destroyed);
Packit ae235b
  value = 2;
Packit ae235b
  destroyed = FALSE;
Packit ae235b
  v = g_object_steal_qdata (obj, quark);
Packit ae235b
  g_assert_cmpint (GPOINTER_TO_INT (v), ==, 2);
Packit ae235b
  g_assert (!destroyed);
Packit ae235b
Packit ae235b
  g_object_set_qdata_full (obj, quark, GINT_TO_POINTER (3), data_destroy);
Packit ae235b
  value = 3;
Packit ae235b
  destroyed = FALSE;
Packit ae235b
  g_object_unref (obj);
Packit ae235b
Packit ae235b
  g_assert (destroyed);
Packit ae235b
}
Packit ae235b
Packit ae235b
typedef struct {
Packit ae235b
  const gchar *value;
Packit ae235b
  gint refcount;
Packit ae235b
} Value;
Packit ae235b
Packit ae235b
static gpointer
Packit ae235b
ref_value (gpointer value, gpointer user_data)
Packit ae235b
{
Packit ae235b
  Value *v = value;
Packit ae235b
  Value **old_value_p = user_data;
Packit ae235b
Packit ae235b
  if (old_value_p)
Packit ae235b
    *old_value_p = v;
Packit ae235b
Packit ae235b
  if (v)
Packit ae235b
    v->refcount += 1;
Packit ae235b
Packit ae235b
  return value;
Packit ae235b
}
Packit ae235b
Packit ae235b
static void
Packit ae235b
unref_value (gpointer value)
Packit ae235b
{
Packit ae235b
  Value *v = value;
Packit ae235b
Packit ae235b
  v->refcount -= 1;
Packit ae235b
  if (v->refcount == 0)
Packit ae235b
    g_free (value);
Packit ae235b
}
Packit ae235b
Packit ae235b
static
Packit ae235b
Value *
Packit ae235b
new_value (const gchar *s)
Packit ae235b
{
Packit ae235b
  Value *v;
Packit ae235b
Packit ae235b
  v = g_new (Value, 1);
Packit ae235b
  v->value = s;
Packit ae235b
  v->refcount = 1;
Packit ae235b
Packit ae235b
  return v;
Packit ae235b
}
Packit ae235b
Packit ae235b
static void
Packit ae235b
test_object_qdata2 (void)
Packit ae235b
{
Packit ae235b
  GObject *obj;
Packit ae235b
  Value *v, *v1, *v2, *v3, *old_val;
Packit ae235b
  GDestroyNotify old_destroy;
Packit ae235b
  gboolean res;
Packit ae235b
Packit ae235b
  obj = g_object_new (G_TYPE_OBJECT, NULL);
Packit ae235b
Packit ae235b
  v1 = new_value ("bla");
Packit ae235b
Packit ae235b
  g_object_set_data_full (obj, "test", v1, unref_value);
Packit ae235b
Packit ae235b
  v = g_object_get_data (obj, "test");
Packit ae235b
  g_assert_cmpstr (v->value, ==, "bla");
Packit ae235b
  g_assert_cmpint (v->refcount, ==, 1);
Packit ae235b
Packit ae235b
  v = g_object_dup_data (obj, "test", ref_value, &old_val);
Packit ae235b
  g_assert (old_val == v1);
Packit ae235b
  g_assert_cmpstr (v->value, ==, "bla");
Packit ae235b
  g_assert_cmpint (v->refcount, ==, 2);
Packit ae235b
  unref_value (v);
Packit ae235b
Packit ae235b
  v = g_object_dup_data (obj, "nono", ref_value, &old_val);
Packit ae235b
  g_assert (old_val == NULL);
Packit ae235b
  g_assert (v == NULL);
Packit ae235b
Packit ae235b
  v2 = new_value ("not");
Packit ae235b
Packit ae235b
  res = g_object_replace_data (obj, "test", v1, v2, unref_value, &old_destroy);
Packit ae235b
  g_assert (res == TRUE);
Packit ae235b
  g_assert (old_destroy == unref_value);
Packit ae235b
  g_assert_cmpstr (v1->value, ==, "bla");
Packit ae235b
  g_assert_cmpint (v1->refcount, ==, 1);
Packit ae235b
Packit ae235b
  v = g_object_get_data (obj, "test");
Packit ae235b
  g_assert_cmpstr (v->value, ==, "not");
Packit ae235b
  g_assert_cmpint (v->refcount, ==, 1);
Packit ae235b
Packit ae235b
  v3 = new_value ("xyz");
Packit ae235b
  res = g_object_replace_data (obj, "test", v1, v3, unref_value, &old_destroy);
Packit ae235b
  g_assert (res == FALSE);
Packit ae235b
  g_assert_cmpstr (v2->value, ==, "not");
Packit ae235b
  g_assert_cmpint (v2->refcount, ==, 1);
Packit ae235b
Packit ae235b
  unref_value (v1);
Packit ae235b
Packit ae235b
  res = g_object_replace_data (obj, "test", NULL, v3, unref_value, &old_destroy);
Packit ae235b
  g_assert (res == FALSE);
Packit ae235b
  g_assert_cmpstr (v2->value, ==, "not");
Packit ae235b
  g_assert_cmpint (v2->refcount, ==, 1);
Packit ae235b
Packit ae235b
  res = g_object_replace_data (obj, "test", v2, NULL, unref_value, &old_destroy);
Packit ae235b
  g_assert (res == TRUE);
Packit ae235b
  g_assert (old_destroy == unref_value);
Packit ae235b
  g_assert_cmpstr (v2->value, ==, "not");
Packit ae235b
  g_assert_cmpint (v2->refcount, ==, 1);
Packit ae235b
Packit ae235b
  unref_value (v2);
Packit ae235b
Packit ae235b
  v = g_object_get_data (obj, "test");
Packit ae235b
  g_assert (v == NULL);
Packit ae235b
Packit ae235b
  res = g_object_replace_data (obj, "test", NULL, v3, unref_value, &old_destroy);
Packit ae235b
  g_assert (res == TRUE);
Packit ae235b
Packit ae235b
  v = g_object_get_data (obj, "test");
Packit ae235b
  g_assert (v == v3);
Packit ae235b
Packit ae235b
  ref_value (v3, NULL);
Packit ae235b
  g_assert_cmpint (v3->refcount, ==, 2);
Packit ae235b
  g_object_unref (obj);
Packit ae235b
  g_assert_cmpint (v3->refcount, ==, 1);
Packit ae235b
  unref_value (v3);
Packit ae235b
}
Packit ae235b
Packit ae235b
int
Packit ae235b
main (int argc, char **argv)
Packit ae235b
{
Packit ae235b
  g_test_init (&argc, &argv, NULL);
Packit ae235b
Packit ae235b
  g_test_add_func ("/type/fundamentals", test_fundamentals);
Packit ae235b
  g_test_add_func ("/type/qdata", test_type_qdata);
Packit ae235b
  g_test_add_func ("/type/query", test_type_query);
Packit ae235b
  g_test_add_func ("/type/class-private", test_class_private);
Packit ae235b
  g_test_add_func ("/object/clear", test_clear);
Packit ae235b
  g_test_add_func ("/object/clear-function", test_clear_function);
Packit ae235b
  g_test_add_func ("/object/set", test_set);
Packit ae235b
  g_test_add_func ("/object/set-function", test_set_function);
Packit ae235b
  g_test_add_func ("/object/value", test_object_value);
Packit ae235b
  g_test_add_func ("/object/initially-unowned", test_initially_unowned);
Packit ae235b
  g_test_add_func ("/object/weak-pointer", test_weak_pointer);
Packit ae235b
  g_test_add_func ("/object/weak-pointer/clear", test_weak_pointer_clear);
Packit ae235b
  g_test_add_func ("/object/weak-pointer/clear-function", test_weak_pointer_clear_function);
Packit ae235b
  g_test_add_func ("/object/weak-pointer/set", test_weak_pointer_set);
Packit ae235b
  g_test_add_func ("/object/weak-pointer/set-function", test_weak_pointer_set_function);
Packit ae235b
  g_test_add_func ("/object/weak-ref", test_weak_ref);
Packit ae235b
  g_test_add_func ("/object/toggle-ref", test_toggle_ref);
Packit ae235b
  g_test_add_func ("/object/qdata", test_object_qdata);
Packit ae235b
  g_test_add_func ("/object/qdata2", test_object_qdata2);
Packit ae235b
Packit ae235b
  return g_test_run ();
Packit ae235b
}