| /* GLib testing framework examples and tests |
| * Copyright (C) 2018 Canonical Ltd |
| * Authors: Marco Trevisan <marco@ubuntu.com> |
| * |
| * This work is provided "as is"; redistribution and modification |
| * in whole or in part, in any medium, physical or electronic is |
| * permitted without restriction. |
| * |
| * This work is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
| * |
| * In no event shall the authors or contributors be liable for any |
| * direct, indirect, incidental, special, exemplary, or consequential |
| * damages (including, but not limited to, procurement of substitute |
| * goods or services; loss of use, data, or profits; or business |
| * interruption) however caused and on any theory of liability, whether |
| * in contract, strict liability, or tort (including negligence or |
| * otherwise) arising in any way out of the use of this software, even |
| * if advised of the possibility of such damage. |
| */ |
| |
| #include <glib-object.h> |
| #include <string.h> |
| |
| G_DECLARE_DERIVABLE_TYPE (TestAutoCleanupBase, test_base_auto_cleanup, TEST, BASE_AUTO_CLEANUP, GObject) |
| |
| struct _TestAutoCleanupBaseClass { |
| GObjectClass parent_class; |
| }; |
| |
| G_DEFINE_TYPE (TestAutoCleanupBase, test_base_auto_cleanup, G_TYPE_OBJECT) |
| |
| static void |
| test_base_auto_cleanup_class_init (TestAutoCleanupBaseClass *class) |
| { |
| } |
| |
| static void |
| test_base_auto_cleanup_init (TestAutoCleanupBase *tac) |
| { |
| } |
| |
| G_DECLARE_FINAL_TYPE (TestAutoCleanup, test_auto_cleanup, TEST, AUTO_CLEANUP, TestAutoCleanupBase) |
| |
| struct _TestAutoCleanup |
| { |
| TestAutoCleanupBase parent_instance; |
| }; |
| |
| G_DEFINE_TYPE (TestAutoCleanup, test_auto_cleanup, G_TYPE_OBJECT) |
| |
| static void |
| test_auto_cleanup_class_init (TestAutoCleanupClass *class) |
| { |
| } |
| |
| static void |
| test_auto_cleanup_init (TestAutoCleanup *tac) |
| { |
| } |
| |
| static TestAutoCleanup * |
| test_auto_cleanup_new (void) |
| { |
| return g_object_new (test_auto_cleanup_get_type (), NULL); |
| } |
| |
| /* Verify that an object declared with G_DECLARE_FINAL_TYPE provides by default |
| * autocleanup functions, defined using the ones of the base type (defined with |
| * G_DECLARE_DERIVABLE_TYPE) and so that it can be used with g_autoptr */ |
| static void |
| test_autoptr (void) |
| { |
| TestAutoCleanup *tac_ptr = test_auto_cleanup_new (); |
| g_object_add_weak_pointer (G_OBJECT (tac_ptr), (gpointer *) &tac_ptr); |
| |
| { |
| g_autoptr (TestAutoCleanup) tac = tac_ptr; |
| g_assert_nonnull (tac); |
| } |
| #ifdef __GNUC__ |
| g_assert_null (tac_ptr); |
| #endif |
| } |
| |
| /* Verify that an object declared with G_DECLARE_FINAL_TYPE provides by default |
| * autocleanup functions, defined using the ones of the base type (defined with |
| * G_DECLARE_DERIVABLE_TYPE) and that stealing an autopointer works properly */ |
| static void |
| test_autoptr_steal (void) |
| { |
| g_autoptr (TestAutoCleanup) tac1 = test_auto_cleanup_new (); |
| TestAutoCleanup *tac_ptr = tac1; |
| |
| g_object_add_weak_pointer (G_OBJECT (tac_ptr), (gpointer *) &tac_ptr); |
| |
| { |
| g_autoptr (TestAutoCleanup) tac2 = g_steal_pointer (&tac1); |
| g_assert_nonnull (tac_ptr); |
| g_assert_null (tac1); |
| g_assert_true (tac2 == tac_ptr); |
| } |
| #ifdef __GNUC__ |
| g_assert_null (tac_ptr); |
| #endif |
| } |
| |
| /* Verify that an object declared with G_DECLARE_FINAL_TYPE provides by default |
| * autolist cleanup functions defined using the ones of the parent type |
| * and so that can be used with g_autolist, and that freeing the list correctly |
| * unrefs the object too */ |
| static void |
| test_autolist (void) |
| { |
| TestAutoCleanup *tac1 = test_auto_cleanup_new (); |
| TestAutoCleanup *tac2 = test_auto_cleanup_new (); |
| g_autoptr (TestAutoCleanup) tac3 = test_auto_cleanup_new (); |
| |
| g_object_add_weak_pointer (G_OBJECT (tac1), (gpointer *) &tac1); |
| g_object_add_weak_pointer (G_OBJECT (tac2), (gpointer *) &tac2); |
| g_object_add_weak_pointer (G_OBJECT (tac3), (gpointer *) &tac3); |
| |
| { |
| g_autolist (TestAutoCleanup) l = NULL; |
| |
| l = g_list_prepend (l, tac1); |
| l = g_list_prepend (l, tac2); |
| |
| /* Squash warnings about dead stores */ |
| (void) l; |
| } |
| |
| /* Only assert if autoptr works */ |
| #ifdef __GNUC__ |
| g_assert_null (tac1); |
| g_assert_null (tac2); |
| #endif |
| g_assert_nonnull (tac3); |
| |
| g_clear_object (&tac3); |
| g_assert_null (tac3); |
| } |
| |
| /* Verify that an object declared with G_DECLARE_FINAL_TYPE provides by default |
| * autoslist cleanup functions (defined using the ones of the base type declared |
| * with G_DECLARE_DERIVABLE_TYPE) and so that can be used with g_autoslist, and |
| * that freeing the slist correctly unrefs the object too */ |
| static void |
| test_autoslist (void) |
| { |
| TestAutoCleanup *tac1 = test_auto_cleanup_new (); |
| TestAutoCleanup *tac2 = test_auto_cleanup_new (); |
| g_autoptr (TestAutoCleanup) tac3 = test_auto_cleanup_new (); |
| |
| g_object_add_weak_pointer (G_OBJECT (tac1), (gpointer *) &tac1); |
| g_object_add_weak_pointer (G_OBJECT (tac2), (gpointer *) &tac2); |
| g_object_add_weak_pointer (G_OBJECT (tac3), (gpointer *) &tac3); |
| |
| { |
| g_autoslist (TestAutoCleanup) l = NULL; |
| |
| l = g_slist_prepend (l, tac1); |
| l = g_slist_prepend (l, tac2); |
| } |
| |
| /* Only assert if autoptr works */ |
| #ifdef __GNUC__ |
| g_assert_null (tac1); |
| g_assert_null (tac2); |
| #endif |
| g_assert_nonnull (tac3); |
| |
| g_clear_object (&tac3); |
| g_assert_null (tac3); |
| } |
| |
| /* Verify that an object declared with G_DECLARE_FINAL_TYPE provides by default |
| * autoqueue cleanup functions (defined using the ones of the base type declared |
| * with G_DECLARE_DERIVABLE_TYPE) and so that can be used with g_autoqueue, and |
| * that freeing the queue correctly unrefs the object too */ |
| static void |
| test_autoqueue (void) |
| { |
| TestAutoCleanup *tac1 = test_auto_cleanup_new (); |
| TestAutoCleanup *tac2 = test_auto_cleanup_new (); |
| g_autoptr (TestAutoCleanup) tac3 = test_auto_cleanup_new (); |
| |
| g_object_add_weak_pointer (G_OBJECT (tac1), (gpointer *) &tac1); |
| g_object_add_weak_pointer (G_OBJECT (tac2), (gpointer *) &tac2); |
| g_object_add_weak_pointer (G_OBJECT (tac3), (gpointer *) &tac3); |
| |
| { |
| g_autoqueue (TestAutoCleanup) q = g_queue_new (); |
| |
| g_queue_push_head (q, tac1); |
| g_queue_push_tail (q, tac2); |
| } |
| |
| /* Only assert if autoptr works */ |
| #ifdef __GNUC__ |
| g_assert_null (tac1); |
| g_assert_null (tac2); |
| #endif |
| g_assert_nonnull (tac3); |
| |
| g_clear_object (&tac3); |
| g_assert_null (tac3); |
| } |
| |
| static void |
| test_autoclass (void) |
| { |
| g_autoptr (TestAutoCleanupBaseClass) base_class_ptr = NULL; |
| g_autoptr (TestAutoCleanupClass) class_ptr = NULL; |
| |
| base_class_ptr = g_type_class_ref (test_base_auto_cleanup_get_type ()); |
| class_ptr = g_type_class_ref (test_auto_cleanup_get_type ()); |
| |
| g_assert_nonnull (base_class_ptr); |
| g_assert_nonnull (class_ptr); |
| } |
| |
| int |
| main (int argc, gchar *argv[]) |
| { |
| g_test_init (&argc, &argv, NULL); |
| |
| g_test_add_func ("/autoptr/autoptr", test_autoptr); |
| g_test_add_func ("/autoptr/autoptr_steal", test_autoptr_steal); |
| g_test_add_func ("/autoptr/autolist", test_autolist); |
| g_test_add_func ("/autoptr/autoslist", test_autoslist); |
| g_test_add_func ("/autoptr/autoqueue", test_autoqueue); |
| g_test_add_func ("/autoptr/autoclass", test_autoclass); |
| |
| return g_test_run (); |
| } |