os/ossrv/glib/tests/gobject/singleton.c
changeset 0 bde4ae8d615e
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/ossrv/glib/tests/gobject/singleton.c	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,94 @@
     1.4 +/* GObject - GLib Type, Object, Parameter and Signal Library
     1.5 + * Copyright (C) 2006 Imendio AB
     1.6 + * Portions copyright (c) 2009 Nokia Corporation.  All rights reserved.
     1.7 + * This library is free software; you can redistribute it and/or
     1.8 + * modify it under the terms of the GNU Lesser General Public
     1.9 + * License as published by the Free Software Foundation; either
    1.10 + * version 2 of the License, or (at your option) any later version.
    1.11 + *
    1.12 + * This library is distributed in the hope that it will be useful,
    1.13 + * but WITHOUT ANY WARRANTY; without even the implied warranty of
    1.14 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    1.15 + * Lesser General Public License for more details.
    1.16 + *
    1.17 + * You should have received a copy of the GNU Lesser General
    1.18 + * Public License along with this library; if not, write to the
    1.19 + * Free Software Foundation, Inc., 59 Temple Place, Suite 330,
    1.20 + * Boston, MA 02111-1307, USA.
    1.21 + */
    1.22 +#undef  G_LOG_DOMAIN
    1.23 +#define G_LOG_DOMAIN "TestSingleton"
    1.24 +#include <glib-object.h>
    1.25 +#include <string.h>
    1.26 +#ifdef __SYMBIAN32__
    1.27 +#include "mrt2_glib2_test.h"
    1.28 +#endif //__SYMBIAN32__
    1.29 +/* --- MySingleton class --- */
    1.30 +typedef struct {
    1.31 +  GObject parent_instance;
    1.32 +} MySingleton;
    1.33 +typedef struct {
    1.34 +  GObjectClass parent_class;
    1.35 +} MySingletonClass;
    1.36 +
    1.37 +#define MY_TYPE_SINGLETON         (my_singleton_get_type ())
    1.38 +#define MY_SINGLETON(o)           (G_TYPE_CHECK_INSTANCE_CAST ((o), MY_TYPE_SINGLETON, MySingleton))
    1.39 +#define MY_IS_SINGLETON(o)        (G_TYPE_CHECK_INSTANCE_TYPE ((o), MY_TYPE_SINGLETON))
    1.40 +#define MY_SINGLETON_CLASS(c)     (G_TYPE_CHECK_CLASS_CAST ((c), MY_TYPE_SINGLETON, MySingletonClass))
    1.41 +#define MY_IS_SINGLETON_CLASS(c)  (G_TYPE_CHECK_CLASS_TYPE ((c), MY_TYPE_SINGLETON))
    1.42 +#define MY_SINGLETON_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), MY_TYPE_SINGLETON, MySingletonClass))
    1.43 +
    1.44 +G_DEFINE_TYPE (MySingleton, my_singleton, G_TYPE_OBJECT);
    1.45 +
    1.46 +static MySingleton *the_one_and_only = NULL;
    1.47 +
    1.48 +/* --- methods --- */
    1.49 +static GObject*
    1.50 +my_singleton_constructor (GType                  type,
    1.51 +                          guint                  n_construct_properties,
    1.52 +                          GObjectConstructParam *construct_properties)
    1.53 +{
    1.54 +  if (the_one_and_only)
    1.55 +    return g_object_ref (the_one_and_only);
    1.56 +  else
    1.57 +    return G_OBJECT_CLASS (my_singleton_parent_class)->constructor (type, n_construct_properties, construct_properties);
    1.58 +}
    1.59 +
    1.60 +static void
    1.61 +my_singleton_init (MySingleton *self)
    1.62 +{
    1.63 +  g_assert (the_one_and_only == NULL);
    1.64 +  the_one_and_only = self;
    1.65 +}
    1.66 +
    1.67 +static void
    1.68 +my_singleton_class_init (MySingletonClass *klass)
    1.69 +{
    1.70 +  G_OBJECT_CLASS (klass)->constructor = my_singleton_constructor;
    1.71 +}
    1.72 +
    1.73 +/* --- test program --- */
    1.74 +int
    1.75 +main (int   argc,
    1.76 +      char *argv[])
    1.77 +{
    1.78 +  MySingleton *singleton, *obj;
    1.79 +    #ifdef __SYMBIAN32__
    1.80 +  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);
    1.81 +  g_set_print_handler(mrtPrintHandler);
    1.82 +  #endif /*__SYMBIAN32__*/
    1.83 +  g_type_init_with_debug_flags (G_TYPE_DEBUG_OBJECTS | G_TYPE_DEBUG_SIGNALS);
    1.84 +  /* create the singleton */
    1.85 +  singleton = g_object_new (MY_TYPE_SINGLETON, NULL);
    1.86 +  g_assert (singleton != NULL);
    1.87 +  /* assert _singleton_ creation */
    1.88 +  obj = g_object_new (MY_TYPE_SINGLETON, NULL);
    1.89 +  g_assert (singleton == obj);
    1.90 +  g_object_unref (obj);
    1.91 +  /* shutdown */
    1.92 +  g_object_unref (singleton);
    1.93 +      #ifdef __SYMBIAN32__
    1.94 +  testResultXml("singleton");
    1.95 +  #endif //__SYMBIAN32__
    1.96 +  return 0;
    1.97 +}