--- /dev/null
+/* 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;
+}