mirror of
https://gitlab.gnome.org/GNOME/glib.git
synced 2024-12-28 08:26:14 +01:00
350 lines
9.2 KiB
C
350 lines
9.2 KiB
C
#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_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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g_value_init (&value, G_TYPE_OBJECT);
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v = g_object_new (G_TYPE_OBJECT, NULL);
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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_value_unset (&value);
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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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/* 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);
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g_assert_cmpint (obj->ref_count, ==, 1);
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obj2 = g_object_new (G_TYPE_OBJECT, NULL);
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g_assert_cmpint (obj2->ref_count, ==, 1);
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/* you can init with an object (even if uninitialized) */
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g_weak_ref_init (&weak, obj);
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g_weak_ref_init (dynamic_weak, obj);
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/* or set to point at an object, if initialized (maybe to 0) */
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g_weak_ref_set (&weak2, obj);
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g_weak_ref_set (&weak3, obj);
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/* none of this affects its refcount */
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g_assert_cmpint (obj->ref_count, ==, 1);
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/* getting the value takes a ref */
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tmp = g_weak_ref_get (&weak);
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g_assert (tmp == obj);
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g_assert_cmpint (obj->ref_count, ==, 2);
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g_object_unref (tmp);
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g_assert_cmpint (obj->ref_count, ==, 1);
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tmp = g_weak_ref_get (&weak2);
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g_assert (tmp == obj);
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g_assert_cmpint (obj->ref_count, ==, 2);
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g_object_unref (tmp);
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g_assert_cmpint (obj->ref_count, ==, 1);
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tmp = g_weak_ref_get (&weak3);
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g_assert (tmp == obj);
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g_assert_cmpint (obj->ref_count, ==, 2);
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g_object_unref (tmp);
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g_assert_cmpint (obj->ref_count, ==, 1);
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tmp = g_weak_ref_get (dynamic_weak);
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g_assert (tmp == obj);
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g_assert_cmpint (obj->ref_count, ==, 2);
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g_object_unref (tmp);
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g_assert_cmpint (obj->ref_count, ==, 1);
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/* clearing a weak ref stops tracking */
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g_weak_ref_clear (&weak);
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/* setting a weak ref to NULL stops tracking too */
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g_weak_ref_set (&weak2, NULL);
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g_assert (g_weak_ref_get (&weak2) == NULL);
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g_weak_ref_clear (&weak2);
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/* setting a weak ref to a new object stops tracking the old one */
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g_weak_ref_set (dynamic_weak, obj2);
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tmp = g_weak_ref_get (dynamic_weak);
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g_assert (tmp == obj2);
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g_assert_cmpint (obj2->ref_count, ==, 2);
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g_object_unref (tmp);
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g_assert_cmpint (obj2->ref_count, ==, 1);
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g_assert_cmpint (obj->ref_count, ==, 1);
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/* free the object: weak3 is the only one left pointing there */
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g_object_unref (obj);
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g_assert (g_weak_ref_get (&weak3) == NULL);
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/* setting a weak ref to a new object stops tracking the old one */
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g_weak_ref_set (dynamic_weak, obj2);
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tmp = g_weak_ref_get (dynamic_weak);
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g_assert (tmp == obj2);
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g_assert_cmpint (obj2->ref_count, ==, 2);
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g_object_unref (tmp);
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g_assert_cmpint (obj2->ref_count, ==, 1);
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g_weak_ref_clear (&weak3);
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/* clear and free dynamic_weak... */
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g_weak_ref_clear (dynamic_weak);
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/* ... to prove that doing so stops this from being a use-after-free */
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g_object_unref (obj2);
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g_free (dynamic_weak);
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}
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int
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main (int argc, char **argv)
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{
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g_test_init (&argc, &argv, NULL);
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g_type_init ();
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g_test_add_func ("/type/fundamentals", test_fundamentals);
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g_test_add_func ("/type/qdata", test_type_qdata);
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g_test_add_func ("/type/query", test_type_query);
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g_test_add_func ("/type/class-private", test_class_private);
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g_test_add_func ("/object/clear", test_clear);
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g_test_add_func ("/object/clear-function", test_clear_function);
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g_test_add_func ("/object/value", test_object_value);
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g_test_add_func ("/object/initially-unowned", test_initially_unowned);
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g_test_add_func ("/object/weak-pointer", test_weak_pointer);
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g_test_add_func ("/object/weak-ref", test_weak_ref);
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return g_test_run ();
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}
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