glib/tests/env-test.c
2003-07-28 19:30:05 +00:00

86 lines
2.6 KiB
C

/* GLIB - Library of useful routines for C programming
* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
*
* 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/.
*/
#include "config.h"
#undef G_DISABLE_ASSERT
#undef G_LOG_DOMAIN
#ifdef GLIB_COMPILATION
#undef GLIB_COMPILATION
#endif
#include <stdio.h>
#include <string.h>
#include <glib.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
int
main (int argc, char *argv[])
{
gboolean result;
const gchar *data;
gchar *variable = "TEST_G_SETENV";
gchar *value1 = "works";
gchar *value2 = "again";
data = g_getenv (variable);
g_assert (data == NULL && "TEST_G_SETENV already set");
result = g_setenv (variable, value1, TRUE);
g_assert (result && "g_setenv() failed");
data = g_getenv (variable);
g_assert (data != NULL && "g_getenv() returns NULL");
g_assert (strcmp (data, value1) == 0 && "g_getenv() returns wrong value");
result = g_setenv (variable, value2, FALSE);
g_assert (result && "g_setenv() failed");
data = g_getenv (variable);
g_assert (data != NULL && "g_getenv() returns NULL");
g_assert (strcmp (data, value2) != 0 && "g_setenv() always overwrites");
g_assert (strcmp (data, value1) == 0 && "g_getenv() returns wrong value");
result = g_setenv (variable, value2, TRUE);
g_assert (result && "g_setenv() failed");
data = g_getenv (variable);
g_assert (data != NULL && "g_getenv() returns NULL");
g_assert (strcmp (data, value1) != 0 && "g_setenv() doesn't overwrite");
g_assert (strcmp (data, value2) == 0 && "g_getenv() returns wrong value");
g_unsetenv (variable);
data = g_getenv (variable);
g_assert (data == NULL && "g_unsetenv() doesn't work");
return 0;
}