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246 lines
7.0 KiB
C
246 lines
7.0 KiB
C
/* module-test.c - test program for GMODULE
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* Copyright (C) 1998 Tim Janik
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*
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* SPDX-License-Identifier: LGPL-2.1-or-later
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library 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. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*/
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/*
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* Modified by the GLib Team and others 1997-2000. See the AUTHORS
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* file for a list of people on the GLib Team. See the ChangeLog
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* files for a list of changes. These files are distributed with
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* GLib at ftp://ftp.gtk.org/pub/gtk/.
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*/
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#include <gmodule.h>
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#include <glib/gstdio.h>
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#ifdef _MSC_VER
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# define MODULE_FILENAME_PREFIX ""
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#else
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# define MODULE_FILENAME_PREFIX "lib"
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#endif
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gchar *global_state = NULL;
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G_MODULE_EXPORT void g_clash_func (void);
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G_MODULE_EXPORT void
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g_clash_func (void)
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{
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global_state = "global clash";
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}
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typedef void (*SimpleFunc) (void);
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typedef void (*GModuleFunc) (GModule *);
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static gchar **gplugin_a_state;
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static gchar **gplugin_b_state;
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static void
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compare (const gchar *desc, const gchar *expected, const gchar *found)
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{
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if (!expected && !found)
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return;
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if (expected && found && strcmp (expected, found) == 0)
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return;
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g_error ("error: %s state should have been \"%s\", but is \"%s\"",
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desc, expected ? expected : "NULL", found ? found : "NULL");
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}
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static void
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test_states (const gchar *global, const gchar *gplugin_a, const gchar *gplugin_b)
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{
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compare ("global", global, global_state);
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compare ("Plugin A", gplugin_a, *gplugin_a_state);
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compare ("Plugin B", gplugin_b, *gplugin_b_state);
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global_state = *gplugin_a_state = *gplugin_b_state = NULL;
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}
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static SimpleFunc plugin_clash_func = NULL;
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static void
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test_module_basics (void)
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{
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GModule *module_self, *module_a, *module_b;
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gchar *plugin_a, *plugin_b;
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SimpleFunc f_a, f_b, f_self;
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GModuleFunc gmod_f;
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GError *error = NULL;
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if (!g_module_supported ())
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g_error ("dynamic modules not supported");
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plugin_a = g_test_build_filename (G_TEST_BUILT, MODULE_FILENAME_PREFIX "moduletestplugin_a_" MODULE_TYPE, NULL);
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plugin_b = g_test_build_filename (G_TEST_BUILT, MODULE_FILENAME_PREFIX "moduletestplugin_b_" MODULE_TYPE, NULL);
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/* module handles */
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module_self = g_module_open_full (NULL, G_MODULE_BIND_LAZY, &error);
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g_assert_no_error (error);
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if (!module_self)
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g_error ("error: %s", g_module_error ());
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/* On Windows static compilation mode, glib API symbols are not
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* exported dynamically by definition. */
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#if !defined(G_PLATFORM_WIN32) || !defined(GLIB_STATIC_COMPILATION)
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if (!g_module_symbol (module_self, "g_module_close", (gpointer *) &f_self))
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g_error ("error: %s", g_module_error ());
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#endif
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module_a = g_module_open_full (plugin_a, G_MODULE_BIND_LAZY, &error);
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g_assert_no_error (error);
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if (!module_a)
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g_error ("error: %s", g_module_error ());
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module_b = g_module_open_full (plugin_b, G_MODULE_BIND_LAZY, &error);
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g_assert_no_error (error);
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if (!module_b)
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g_error ("error: %s", g_module_error ());
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/* get plugin state vars */
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if (!g_module_symbol (module_a, "gplugin_a_state",
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(gpointer *) &gplugin_a_state))
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g_error ("error: %s", g_module_error ());
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if (!g_module_symbol (module_b, "gplugin_b_state",
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(gpointer *) &gplugin_b_state))
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g_error ("error: %s", g_module_error ());
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test_states (NULL, NULL, "check-init");
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/* get plugin specific symbols and call them */
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if (!g_module_symbol (module_a, "gplugin_a_func", (gpointer *) &f_a))
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g_error ("error: %s", g_module_error ());
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test_states (NULL, NULL, NULL);
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if (!g_module_symbol (module_b, "gplugin_b_func", (gpointer *) &f_b))
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g_error ("error: %s", g_module_error ());
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test_states (NULL, NULL, NULL);
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f_a ();
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test_states (NULL, "Hello world", NULL);
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f_b ();
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test_states (NULL, NULL, "Hello world");
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/* get and call globally clashing functions */
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if (!g_module_symbol (module_self, "g_clash_func", (gpointer *) &f_self))
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g_error ("error: %s", g_module_error ());
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test_states (NULL, NULL, NULL);
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if (!g_module_symbol (module_a, "g_clash_func", (gpointer *) &f_a))
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g_error ("error: %s", g_module_error ());
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test_states (NULL, NULL, NULL);
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if (!g_module_symbol (module_b, "g_clash_func", (gpointer *) &f_b))
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g_error ("error: %s", g_module_error ());
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test_states (NULL, NULL, NULL);
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f_self ();
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test_states ("global clash", NULL, NULL);
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f_a ();
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test_states (NULL, "global clash", NULL);
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f_b ();
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test_states (NULL, NULL, "global clash");
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/* get and call clashing plugin functions */
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if (!g_module_symbol (module_a, "gplugin_clash_func", (gpointer *) &f_a))
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g_error ("error: %s", g_module_error ());
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test_states (NULL, NULL, NULL);
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if (!g_module_symbol (module_b, "gplugin_clash_func", (gpointer *) &f_b))
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g_error ("error: %s", g_module_error ());
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test_states (NULL, NULL, NULL);
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plugin_clash_func = f_a;
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plugin_clash_func ();
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test_states (NULL, "plugin clash", NULL);
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plugin_clash_func = f_b;
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plugin_clash_func ();
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test_states (NULL, NULL, "plugin clash");
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/* call gmodule function from A */
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if (!g_module_symbol (module_a, "gplugin_a_module_func", (gpointer *) &gmod_f))
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g_error ("error: %s", g_module_error ());
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test_states (NULL, NULL, NULL);
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gmod_f (module_b);
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test_states (NULL, NULL, "BOOH");
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gmod_f (module_a);
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test_states (NULL, "BOOH", NULL);
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/* unload plugins */
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if (!g_module_close (module_a))
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g_error ("error: %s", g_module_error ());
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if (!g_module_close (module_b))
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g_error ("error: %s", g_module_error ());
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g_free (plugin_a);
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g_free (plugin_b);
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g_module_close (module_self);
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}
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static void
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test_module_invalid_libtool_archive (void)
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{
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int la_fd;
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gchar *la_filename = NULL;
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GModule *module = NULL;
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GError *local_error = NULL;
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g_test_summary ("Test that opening an invalid .la file fails");
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/* Create an empty temporary file ending in `.la` */
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la_fd = g_file_open_tmp ("gmodule-invalid-XXXXXX.la", &la_filename, &local_error);
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g_assert_no_error (local_error);
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g_assert_true (g_str_has_suffix (la_filename, ".la"));
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g_close (la_fd, NULL);
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/* Try loading it */
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module = g_module_open_full (la_filename, 0, &local_error);
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g_assert_error (local_error, G_MODULE_ERROR, G_MODULE_ERROR_FAILED);
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g_assert_null (module);
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g_clear_error (&local_error);
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(void) g_unlink (la_filename);
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g_free (la_filename);
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}
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int
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main (int argc, char *argv[])
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{
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g_test_init (&argc, &argv, NULL);
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g_test_add_func ("/module/basics", test_module_basics);
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g_test_add_func ("/module/invalid-libtool-archive", test_module_invalid_libtool_archive);
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return g_test_run ();
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}
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