/* module-test.c - test program for GMODULE

 * Copyright (C) 1998 Tim Janik

 * Portion Copyright © 2008-09 Nokia Corporation and/or its subsidiary(-ies). All rights reserved.

 * This library is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Lesser General Public

 * License as published by the Free Software Foundation; either

 * version 2 of the License, or (at your option) any later version.

 *

 * This library 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.  See the GNU

 * Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public

 * License along with this library; if not, write to the

 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,

 * Boston, MA 02111-1307, USA.

 */

/*

 * Modified by the GLib Team and others 1997-2000.  See the AUTHORS

 * file for a list of people on the GLib Team.  See the ChangeLog

 * files for a list of changes.  These files are distributed with

 * GLib at ftp://ftp.gtk.org/pub/gtk/. 

 */

#undef G_DISABLE_ASSERT

#undef G_LOG_DOMAIN

#include <gmodule.h>

#include <string.h>

#ifdef __SYMBIAN32__

#include "mrt2_glib2_test.h"

#endif /*__SYMBIAN32__*/

gchar* global_state;

G_MODULE_EXPORT void

g_clash_func (void)

{

  global_state = "global clash";

}

typedef	void (*SimpleFunc) (void);

typedef	void (*GModuleFunc) (GModule *);

static gchar **gplugin_a_state;

static gchar **gplugin_b_state;

static void

compare (const gchar *desc, const gchar *expected, const gchar *found)

{

  if (!expected && !found)

    return;

  if (expected && found && strcmp (expected, found) == 0)

    return;

  g_error ("error: %s state should have been \"%s\", but is \"%s\"",

	   desc, expected ? expected : "NULL", found ? found : "NULL");

}

static void 

test_states (const gchar *global, const gchar *gplugin_a, 

	     const gchar *gplugin_b)

{	

  compare ("global", global, global_state);

  compare ("Plugin A", gplugin_a, *gplugin_a_state);

  compare ("Plugin B", gplugin_b, *gplugin_b_state);

  global_state = *gplugin_a_state = *gplugin_b_state = NULL;

}

static SimpleFunc plugin_clash_func = NULL;

int

main (int   arg,

      char *argv[])

{

  GModule *module_self, *module_a, *module_b;

  gchar *dir;

  gchar *plugin_a, *plugin_b;

  SimpleFunc f_a, f_b, f_self;

  GModuleFunc gmod_f;

  #ifdef __SYMBIAN32__

  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);

  g_set_print_handler(mrtPrintHandler);

  #endif /*__SYMBIAN32__*/

  if (!g_module_supported ())

    g_error ("dynamic modules not supported");

#ifndef __SYMBIAN32__

  dir = g_get_current_dir ()

#endif  

#ifndef __SYMBIAN32__

  g_free (dir);

#endif  

  /* module handles */

#ifndef __SYMBIAN32__ 

  module_self = g_module_open (NULL, G_MODULE_BIND_LAZY);

  if (!module_self)

    g_error ("error: %s", g_module_error ());

  if (!g_module_symbol (module_self, "g_module_close", (gpointer *) &f_self))

    g_error ("error: %s", g_module_error ());

#endif

  module_a = g_module_open (plugin_a, G_MODULE_BIND_LAZY);

  if (!module_a)

    g_error ("error: %s", g_module_error ());

  module_b = g_module_open (plugin_b, G_MODULE_BIND_LAZY);

  if (!module_b)

    g_error ("error: %s", g_module_error ());

  /* get plugin state vars */

  if (!g_module_symbol (module_a, "gplugin_a_state", 

			(gpointer *) &gplugin_a_state))

    g_error ("error: %s", g_module_error ());

  if (!g_module_symbol (module_b, "gplugin_b_state", 

			(gpointer *) &gplugin_b_state))

    g_error ("error: %s", g_module_error ());

  test_states (NULL, NULL, "check-init");

  /* get plugin specific symbols and call them

   */

  if (!g_module_symbol (module_a, "gplugin_a_func", (gpointer *) &f_a))

    g_error ("error: %s", g_module_error ());

  test_states (NULL, NULL, NULL);

  if (!g_module_symbol (module_b, "gplugin_b_func", (gpointer *) &f_b))

    g_error ("error: %s", g_module_error ());

  test_states (NULL, NULL, NULL);

  f_a ();

  test_states (NULL, "Hello world", NULL);

  f_b ();

  test_states (NULL, NULL, "Hello world");

  /* get and call globally clashing functions

   */

#ifndef __SYMBIAN32__

  if (!g_module_symbol (module_self, "g_clash_func", (gpointer *) &f_self))

    g_error ("error: %s", g_module_error ());

  test_states (NULL, NULL, NULL);

#endif

  if (!g_module_symbol (module_a, "g_clash_func", (gpointer *) &f_a))

    g_error ("error: %s", g_module_error ());

  test_states (NULL, NULL, NULL);

  if (!g_module_symbol (module_b, "g_clash_func", (gpointer *) &f_b))

    g_error ("error: %s", g_module_error ());

  test_states (NULL, NULL, NULL);

#ifndef __SYMBIAN32__ 

  f_self ();

  test_states ("global clash", NULL, NULL);

#endif  

  f_a ();

  test_states (NULL, "global clash", NULL);

  f_b ();

  test_states (NULL, NULL, "global clash");

  /* get and call clashing plugin functions  */

  if (!g_module_symbol (module_a, "gplugin_clash_func", (gpointer *) &f_a))

    g_error ("error: %s", g_module_error ());

  test_states (NULL, NULL, NULL);

  if (!g_module_symbol (module_b, "gplugin_clash_func", (gpointer *) &f_b))

    g_error ("error: %s", g_module_error ());

  test_states (NULL, NULL, NULL);

  plugin_clash_func = f_a;

  plugin_clash_func ();

  test_states (NULL, "plugin clash", NULL);

  plugin_clash_func = f_b;

  plugin_clash_func ();

  test_states (NULL, NULL, "plugin clash");

  /* call gmodule function from A  */

  if (!g_module_symbol (module_a, "gplugin_a_module_func", (gpointer *) &gmod_f))

    g_error ("error: %s", g_module_error ());

  test_states (NULL, NULL, NULL);

  gmod_f (module_b);

  test_states (NULL, NULL, "BOOH");

  gmod_f (module_a);

  test_states (NULL, "BOOH", NULL);

  /* unload plugins  */

  if (!g_module_close (module_a))

    g_error ("error: %s", g_module_error ());

  if (!g_module_close (module_b))

    g_error ("error: %s", g_module_error ());

  #ifdef __SYMBIAN32__

  testResultXml("module-test");

  #endif /* EMULATOR */

  return 0;

}