os/ossrv/glib/tsrc/BC/tests/gobject/references.c
author sl@SLION-WIN7.fritz.box
Fri, 15 Jun 2012 03:10:57 +0200
changeset 0 bde4ae8d615e
permissions -rw-r--r--
First public contribution.
     1 /* GObject - GLib Type, Object, Parameter and Signal Library
     2  * Copyright (C) 2005 Red Hat, Inc.
     3  * Portion Copyright © 2008 Nokia Corporation and/or its subsidiary(-ies). All rights reserved.
     4  * This library is free software; you can redistribute it and/or
     5  * modify it under the terms of the GNU Lesser General Public
     6  * License as published by the Free Software Foundation; either
     7  * version 2 of the License, or (at your option) any later version.
     8  *
     9  * This library is distributed in the hope that it will be useful,
    10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
    11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    12  * Lesser General Public License for more details.
    13  *
    14  * You should have received a copy of the GNU Lesser General
    15  * Public License along with this library; if not, write to the
    16  * Free Software Foundation, Inc., 59 Temple Place, Suite 330,
    17  * Boston, MA 02111-1307, USA.
    18  */
    19 
    20 #undef	G_LOG_DOMAIN
    21 #define	G_LOG_DOMAIN "TestReferences"
    22 
    23 #undef G_DISABLE_ASSERT
    24 #undef G_DISABLE_CHECKS
    25 #undef G_DISABLE_CAST_CHECKS
    26 
    27   
    28 #include	<glib-object.h>
    29 
    30 #ifdef SYMBIAN
    31   #include "mrt2_glib2_test.h"
    32   #endif /*SYMBIAN*/
    33 
    34 /* This test tests weak and toggle references
    35  */
    36 static GObject *global_object;
    37 
    38 static gboolean object_destroyed;
    39 static gboolean weak_ref1_notified;
    40 static gboolean weak_ref2_notified;
    41 static gboolean toggle_ref1_weakened;
    42 static gboolean toggle_ref1_strengthened;
    43 static gboolean toggle_ref2_weakened;
    44 static gboolean toggle_ref2_strengthened;
    45 static gboolean toggle_ref3_weakened;
    46 static gboolean toggle_ref3_strengthened;
    47 
    48 /*
    49  * TestObject, a parent class for TestObject
    50  */
    51 #define TEST_TYPE_OBJECT          (test_object_get_type ())
    52 typedef struct _TestObject        TestObject;
    53 typedef struct _TestObjectClass   TestObjectClass;
    54 
    55 struct _TestObject
    56 {
    57   GObject parent_instance;
    58 };
    59 struct _TestObjectClass
    60 {
    61   GObjectClass parent_class;
    62 };
    63 
    64 G_DEFINE_TYPE (TestObject, test_object, G_TYPE_OBJECT);
    65 
    66 static void
    67 test_object_finalize (GObject *object)
    68 {
    69   object_destroyed = TRUE;
    70   
    71   G_OBJECT_CLASS (test_object_parent_class)->finalize (object);
    72 }
    73 
    74 static void
    75 test_object_class_init (TestObjectClass *class)
    76 {
    77   GObjectClass *object_class = G_OBJECT_CLASS (class);
    78 
    79   object_class->finalize = test_object_finalize;
    80 }
    81 
    82 static void
    83 test_object_init (TestObject *test_object)
    84 {
    85 }
    86 
    87 static void
    88 clear_flags (void)
    89 {
    90   object_destroyed = FALSE;
    91   weak_ref1_notified = FALSE;
    92   weak_ref2_notified = FALSE;
    93   toggle_ref1_weakened = FALSE;
    94   toggle_ref1_strengthened = FALSE;
    95   toggle_ref2_weakened = FALSE;
    96   toggle_ref2_strengthened = FALSE;
    97   toggle_ref3_weakened = FALSE;
    98   toggle_ref3_strengthened = FALSE;
    99 }
   100 
   101 static void
   102 weak_ref1 (gpointer data,
   103 	   GObject *object)
   104 {
   105   g_assert (object == global_object);
   106   g_assert (data == GUINT_TO_POINTER (42));
   107 
   108   weak_ref1_notified = TRUE;
   109 }
   110 
   111 static void
   112 weak_ref2 (gpointer data,
   113 	   GObject *object)
   114 {
   115   g_assert (object == global_object);
   116   g_assert (data == GUINT_TO_POINTER (24));
   117 
   118   weak_ref2_notified = TRUE;
   119 }
   120 
   121 static void
   122 toggle_ref1 (gpointer data,
   123 	     GObject *object,
   124 	     gboolean is_last_ref)
   125 {
   126   g_assert (object == global_object);
   127   g_assert (data == GUINT_TO_POINTER (42));
   128 
   129   if (is_last_ref)
   130     toggle_ref1_weakened = TRUE;
   131   else
   132     toggle_ref1_strengthened = TRUE;
   133 }
   134 
   135 static void
   136 toggle_ref2 (gpointer data,
   137 	     GObject *object,
   138 	     gboolean is_last_ref)
   139 {
   140   g_assert (object == global_object);
   141   g_assert (data == GUINT_TO_POINTER (24));
   142 
   143   if (is_last_ref)
   144     toggle_ref2_weakened = TRUE;
   145   else
   146     toggle_ref2_strengthened = TRUE;
   147 }
   148 
   149 static void
   150 toggle_ref3 (gpointer data,
   151 	     GObject *object,
   152 	     gboolean is_last_ref)
   153 {
   154   g_assert (object == global_object);
   155   g_assert (data == GUINT_TO_POINTER (34));
   156 
   157   if (is_last_ref)
   158     {
   159       toggle_ref3_weakened = TRUE;
   160       g_object_remove_toggle_ref (object, toggle_ref3, GUINT_TO_POINTER (34));
   161     }
   162   else
   163     toggle_ref3_strengthened = TRUE;
   164 }
   165 
   166 int
   167 main (int   argc,
   168       char *argv[])
   169 {
   170   GObject *object;
   171 	
   172   g_log_set_always_fatal (g_log_set_always_fatal (G_LOG_FATAL_MASK) |
   173 			  G_LOG_LEVEL_WARNING |
   174 			  G_LOG_LEVEL_CRITICAL);
   175   g_type_init ();
   176 
   177 
   178   #ifdef SYMBIAN
   179   g_log_set_handler (NULL,  G_LOG_FLAG_FATAL| G_LOG_FLAG_RECURSION | G_LOG_LEVEL_CRITICAL | G_LOG_LEVEL_WARNING | G_LOG_LEVEL_MESSAGE | G_LOG_LEVEL_INFO | G_LOG_LEVEL_DEBUG, &mrtLogHandler, NULL);
   180   #endif /*SYMBIAN*/
   181   /* Test basic weak reference operation
   182    */
   183   global_object = object = g_object_new (TEST_TYPE_OBJECT, NULL);
   184   
   185   g_object_weak_ref (object, weak_ref1, GUINT_TO_POINTER (42));
   186 
   187   clear_flags ();
   188   g_object_unref (object);
   189   g_assert (weak_ref1_notified == TRUE);
   190   g_assert (object_destroyed == TRUE);
   191 
   192   /* Test two weak references at once
   193    */
   194   global_object = object = g_object_new (TEST_TYPE_OBJECT, NULL);
   195   
   196   g_object_weak_ref (object, weak_ref1, GUINT_TO_POINTER (42));
   197   g_object_weak_ref (object, weak_ref2, GUINT_TO_POINTER (24));
   198 
   199   clear_flags ();
   200   g_object_unref (object);
   201   g_assert (weak_ref1_notified == TRUE);
   202   g_assert (weak_ref2_notified == TRUE);
   203   g_assert (object_destroyed == TRUE);
   204 
   205   /* Test remove weak references
   206    */
   207   global_object = object = g_object_new (TEST_TYPE_OBJECT, NULL);
   208   
   209   g_object_weak_ref (object, weak_ref1, GUINT_TO_POINTER (42));
   210   g_object_weak_ref (object, weak_ref2, GUINT_TO_POINTER (24));
   211   g_object_weak_unref (object, weak_ref1, GUINT_TO_POINTER (42));
   212 
   213   clear_flags ();
   214   g_object_unref (object);
   215   g_assert (weak_ref1_notified == FALSE);
   216   g_assert (weak_ref2_notified == TRUE);
   217   g_assert (object_destroyed == TRUE);
   218 
   219   /* Test basic toggle reference operation
   220    */
   221   global_object = object = g_object_new (TEST_TYPE_OBJECT, NULL);
   222   
   223   g_object_add_toggle_ref (object, toggle_ref1, GUINT_TO_POINTER (42));
   224 
   225   clear_flags ();
   226   g_object_unref (object);
   227   g_assert (toggle_ref1_weakened == TRUE);
   228   g_assert (toggle_ref1_strengthened == FALSE);
   229   g_assert (object_destroyed == FALSE);
   230 
   231   clear_flags ();
   232   g_object_ref (object);
   233   g_assert (toggle_ref1_weakened == FALSE);
   234   g_assert (toggle_ref1_strengthened == TRUE);
   235   g_assert (object_destroyed == FALSE);
   236 
   237   g_object_unref (object);
   238 
   239   clear_flags ();
   240   g_object_remove_toggle_ref (object, toggle_ref1, GUINT_TO_POINTER (42));
   241   g_assert (toggle_ref1_weakened == FALSE);
   242   g_assert (toggle_ref1_strengthened == FALSE);
   243   g_assert (object_destroyed == TRUE);
   244 
   245   global_object = object = g_object_new (TEST_TYPE_OBJECT, NULL);
   246 
   247   /* Test two toggle references at once
   248    */
   249   g_object_add_toggle_ref (object, toggle_ref1, GUINT_TO_POINTER (42));
   250   g_object_add_toggle_ref (object, toggle_ref2, GUINT_TO_POINTER (24));
   251 
   252   clear_flags ();
   253   g_object_unref (object);
   254   g_assert (toggle_ref1_weakened == FALSE);
   255   g_assert (toggle_ref1_strengthened == FALSE);
   256   g_assert (toggle_ref2_weakened == FALSE);
   257   g_assert (toggle_ref2_strengthened == FALSE);
   258   g_assert (object_destroyed == FALSE);
   259 
   260   clear_flags ();
   261   g_object_remove_toggle_ref (object, toggle_ref1, GUINT_TO_POINTER (42));
   262   g_assert (toggle_ref1_weakened == FALSE);
   263   g_assert (toggle_ref1_strengthened == FALSE);
   264   g_assert (toggle_ref2_weakened == TRUE);
   265   g_assert (toggle_ref2_strengthened == FALSE);
   266   g_assert (object_destroyed == FALSE);
   267 
   268   clear_flags ();
   269   g_object_remove_toggle_ref (object, toggle_ref2, GUINT_TO_POINTER (24));
   270   g_assert (toggle_ref1_weakened == FALSE);
   271   g_assert (toggle_ref1_strengthened == FALSE);
   272   g_assert (toggle_ref2_weakened == FALSE);
   273   g_assert (toggle_ref2_strengthened == FALSE);
   274   g_assert (object_destroyed == TRUE);
   275   
   276   /* Test a toggle reference that removes itself
   277    */
   278   global_object = object = g_object_new (TEST_TYPE_OBJECT, NULL);
   279   
   280   g_object_add_toggle_ref (object, toggle_ref3, GUINT_TO_POINTER (34));
   281 
   282   clear_flags ();
   283   g_object_unref (object);
   284   g_assert (toggle_ref3_weakened == TRUE);
   285   g_assert (toggle_ref3_strengthened == FALSE);
   286   g_assert (object_destroyed == TRUE);
   287 
   288   #ifdef SYMBIAN
   289   testResultXml("references");
   290   #endif /*SYMBIAN*/
   291   return 0;
   292 }