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/* module-test.c - test program for GMODULE
* Copyright (C) 1998 Tim Janik
*
* 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, see <http://www.gnu.org/licenses/>.
*/
/*
* 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>
gchar* global_state;
G_MODULE_EXPORT void g_clash_func (void);
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 argc,
char **argv)
{
GModule *module_self, *module_a, *module_b;
gchar *plugin_a, *plugin_b;
SimpleFunc f_a, f_b, f_self;
GModuleFunc gmod_f;
g_test_init (&argc, &argv, NULL);
if (!g_module_supported ())
g_error ("dynamic modules not supported");
plugin_a = g_test_build_filename (G_TEST_BUILT, "libmoduletestplugin_a", NULL);
plugin_b = g_test_build_filename (G_TEST_BUILT, "libmoduletestplugin_b", NULL);
/* module handles */
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 ());
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
*/
if (!g_module_symbol (module_self, "g_clash_func", (gpointer *) &f_self))
g_error ("error: %s", g_module_error ());
test_states (NULL, NULL, NULL);
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);
f_self ();
test_states ("global clash", NULL, NULL);
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 ());
g_free (plugin_a);
g_free (plugin_b);
g_module_close (module_self);
return 0;
}
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