mirror of https://gitee.com/openkylin/glib2.0.git
238 lines
6.9 KiB
C
238 lines
6.9 KiB
C
/* GLib testing framework examples and tests
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* Copyright (C) 2018 Canonical Ltd
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* Authors: Marco Trevisan <marco@ubuntu.com>
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*
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* This work is provided "as is"; redistribution and modification
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* in whole or in part, in any medium, physical or electronic is
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* permitted without restriction.
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*
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* This work is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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*
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* In no event shall the authors or contributors be liable for any
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* direct, indirect, incidental, special, exemplary, or consequential
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* damages (including, but not limited to, procurement of substitute
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* goods or services; loss of use, data, or profits; or business
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* interruption) however caused and on any theory of liability, whether
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* in contract, strict liability, or tort (including negligence or
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* otherwise) arising in any way out of the use of this software, even
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* if advised of the possibility of such damage.
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*/
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#include <glib-object.h>
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#include <string.h>
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G_DECLARE_DERIVABLE_TYPE (TestAutoCleanupBase, test_base_auto_cleanup, TEST, BASE_AUTO_CLEANUP, GObject)
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struct _TestAutoCleanupBaseClass {
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GObjectClass parent_class;
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};
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G_DEFINE_TYPE (TestAutoCleanupBase, test_base_auto_cleanup, G_TYPE_OBJECT)
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static void
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test_base_auto_cleanup_class_init (TestAutoCleanupBaseClass *class)
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{
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}
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static void
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test_base_auto_cleanup_init (TestAutoCleanupBase *tac)
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{
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}
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G_DECLARE_FINAL_TYPE (TestAutoCleanup, test_auto_cleanup, TEST, AUTO_CLEANUP, TestAutoCleanupBase)
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struct _TestAutoCleanup
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{
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TestAutoCleanupBase parent_instance;
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};
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G_DEFINE_TYPE (TestAutoCleanup, test_auto_cleanup, G_TYPE_OBJECT)
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static void
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test_auto_cleanup_class_init (TestAutoCleanupClass *class)
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{
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}
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static void
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test_auto_cleanup_init (TestAutoCleanup *tac)
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{
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}
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static TestAutoCleanup *
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test_auto_cleanup_new (void)
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{
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return g_object_new (test_auto_cleanup_get_type (), NULL);
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}
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/* Verify that an object declared with G_DECLARE_FINAL_TYPE provides by default
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* autocleanup functions, defined using the ones of the base type (defined with
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* G_DECLARE_DERIVABLE_TYPE) and so that it can be used with g_autoptr */
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static void
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test_autoptr (void)
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{
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TestAutoCleanup *tac_ptr = test_auto_cleanup_new ();
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g_object_add_weak_pointer (G_OBJECT (tac_ptr), (gpointer *) &tac_ptr);
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{
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g_autoptr (TestAutoCleanup) tac = tac_ptr;
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g_assert_nonnull (tac);
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}
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#ifdef __GNUC__
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g_assert_null (tac_ptr);
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#endif
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}
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/* Verify that an object declared with G_DECLARE_FINAL_TYPE provides by default
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* autocleanup functions, defined using the ones of the base type (defined with
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* G_DECLARE_DERIVABLE_TYPE) and that stealing an autopointer works properly */
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static void
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test_autoptr_steal (void)
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{
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g_autoptr (TestAutoCleanup) tac1 = test_auto_cleanup_new ();
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TestAutoCleanup *tac_ptr = tac1;
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g_object_add_weak_pointer (G_OBJECT (tac_ptr), (gpointer *) &tac_ptr);
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{
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g_autoptr (TestAutoCleanup) tac2 = g_steal_pointer (&tac1);
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g_assert_nonnull (tac_ptr);
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g_assert_null (tac1);
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g_assert_true (tac2 == tac_ptr);
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}
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#ifdef __GNUC__
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g_assert_null (tac_ptr);
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#endif
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}
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/* Verify that an object declared with G_DECLARE_FINAL_TYPE provides by default
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* autolist cleanup functions defined using the ones of the parent type
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* and so that can be used with g_autolist, and that freeing the list correctly
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* unrefs the object too */
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static void
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test_autolist (void)
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{
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TestAutoCleanup *tac1 = test_auto_cleanup_new ();
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TestAutoCleanup *tac2 = test_auto_cleanup_new ();
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g_autoptr (TestAutoCleanup) tac3 = test_auto_cleanup_new ();
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g_object_add_weak_pointer (G_OBJECT (tac1), (gpointer *) &tac1);
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g_object_add_weak_pointer (G_OBJECT (tac2), (gpointer *) &tac2);
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g_object_add_weak_pointer (G_OBJECT (tac3), (gpointer *) &tac3);
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{
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g_autolist (TestAutoCleanup) l = NULL;
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l = g_list_prepend (l, tac1);
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l = g_list_prepend (l, tac2);
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/* Squash warnings about dead stores */
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(void) l;
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}
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/* Only assert if autoptr works */
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#ifdef __GNUC__
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g_assert_null (tac1);
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g_assert_null (tac2);
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#endif
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g_assert_nonnull (tac3);
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g_clear_object (&tac3);
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g_assert_null (tac3);
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}
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/* Verify that an object declared with G_DECLARE_FINAL_TYPE provides by default
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* autoslist cleanup functions (defined using the ones of the base type declared
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* with G_DECLARE_DERIVABLE_TYPE) and so that can be used with g_autoslist, and
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* that freeing the slist correctly unrefs the object too */
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static void
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test_autoslist (void)
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{
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TestAutoCleanup *tac1 = test_auto_cleanup_new ();
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TestAutoCleanup *tac2 = test_auto_cleanup_new ();
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g_autoptr (TestAutoCleanup) tac3 = test_auto_cleanup_new ();
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g_object_add_weak_pointer (G_OBJECT (tac1), (gpointer *) &tac1);
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g_object_add_weak_pointer (G_OBJECT (tac2), (gpointer *) &tac2);
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g_object_add_weak_pointer (G_OBJECT (tac3), (gpointer *) &tac3);
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{
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g_autoslist (TestAutoCleanup) l = NULL;
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l = g_slist_prepend (l, tac1);
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l = g_slist_prepend (l, tac2);
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}
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/* Only assert if autoptr works */
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#ifdef __GNUC__
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g_assert_null (tac1);
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g_assert_null (tac2);
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#endif
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g_assert_nonnull (tac3);
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g_clear_object (&tac3);
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g_assert_null (tac3);
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}
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/* Verify that an object declared with G_DECLARE_FINAL_TYPE provides by default
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* autoqueue cleanup functions (defined using the ones of the base type declared
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* with G_DECLARE_DERIVABLE_TYPE) and so that can be used with g_autoqueue, and
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* that freeing the queue correctly unrefs the object too */
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static void
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test_autoqueue (void)
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{
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TestAutoCleanup *tac1 = test_auto_cleanup_new ();
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TestAutoCleanup *tac2 = test_auto_cleanup_new ();
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g_autoptr (TestAutoCleanup) tac3 = test_auto_cleanup_new ();
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g_object_add_weak_pointer (G_OBJECT (tac1), (gpointer *) &tac1);
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g_object_add_weak_pointer (G_OBJECT (tac2), (gpointer *) &tac2);
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g_object_add_weak_pointer (G_OBJECT (tac3), (gpointer *) &tac3);
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{
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g_autoqueue (TestAutoCleanup) q = g_queue_new ();
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g_queue_push_head (q, tac1);
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g_queue_push_tail (q, tac2);
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}
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/* Only assert if autoptr works */
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#ifdef __GNUC__
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g_assert_null (tac1);
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g_assert_null (tac2);
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#endif
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g_assert_nonnull (tac3);
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g_clear_object (&tac3);
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g_assert_null (tac3);
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}
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static void
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test_autoclass (void)
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{
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g_autoptr (TestAutoCleanupBaseClass) base_class_ptr = NULL;
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g_autoptr (TestAutoCleanupClass) class_ptr = NULL;
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base_class_ptr = g_type_class_ref (test_base_auto_cleanup_get_type ());
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class_ptr = g_type_class_ref (test_auto_cleanup_get_type ());
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g_assert_nonnull (base_class_ptr);
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g_assert_nonnull (class_ptr);
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}
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int
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main (int argc, gchar *argv[])
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{
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g_test_init (&argc, &argv, NULL);
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g_test_add_func ("/autoptr/autoptr", test_autoptr);
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g_test_add_func ("/autoptr/autoptr_steal", test_autoptr_steal);
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g_test_add_func ("/autoptr/autolist", test_autolist);
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g_test_add_func ("/autoptr/autoslist", test_autoslist);
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g_test_add_func ("/autoptr/autoqueue", test_autoqueue);
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g_test_add_func ("/autoptr/autoclass", test_autoclass);
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return g_test_run ();
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}
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