--- /dev/null
+/*
+ * Copyright © 2015 Guillem Jover <guillem@hadrons.org>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
+ * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <assert.h>
+#include <string.h>
+
+int
+main(int argc, char **argv)
+{
+ char mode_str[12];
+
+ strmode(0, mode_str);
+ assert(strcmp(mode_str, "?--------- ") == 0);
+
+ strmode(0777, mode_str);
+ assert(strcmp(mode_str, "?rwxrwxrwx ") == 0);
+
+ strmode(0777 | S_IFREG, mode_str);
+ assert(strcmp(mode_str, "-rwxrwxrwx ") == 0);
+
+ strmode(0777 | S_IFREG | S_ISUID | S_ISGID | S_ISVTX, mode_str);
+ assert(strcmp(mode_str, "-rwsrwsrwt ") == 0);
+
+ strmode(0666 | S_IFREG | S_ISUID | S_ISGID | S_ISVTX, mode_str);
+ assert(strcmp(mode_str, "-rwSrwSrwT ") == 0);
+
+ strmode(0777 | S_IFLNK, mode_str);
+ assert(strcmp(mode_str, "lrwxrwxrwx ") == 0);
+
+ strmode(0777 | S_IFCHR, mode_str);
+ assert(strcmp(mode_str, "crwxrwxrwx ") == 0);
+
+ strmode(0777 | S_IFBLK, mode_str);
+ assert(strcmp(mode_str, "brwxrwxrwx ") == 0);
+
+ strmode(0777 | S_IFDIR, mode_str);
+ assert(strcmp(mode_str, "drwxrwxrwx ") == 0);
+
+ strmode(0777 | S_IFIFO, mode_str);
+ assert(strcmp(mode_str, "prwxrwxrwx ") == 0);
+
+ strmode(0777 | S_IFSOCK, mode_str);
+ assert(strcmp(mode_str, "srwxrwxrwx ") == 0);
+
+ return 0;
+}