Make tests consistently use *.out output files.
[glibc.git] / misc / tst-dirname.c
blobd8f33dfc94a1778f323fd73c1d5c4234e3be7447
1 /* Test program for dirname function a la XPG.
2 Copyright (C) 1996-2014 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4 Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, see
18 <http://www.gnu.org/licenses/>. */
20 #define _GNU_SOURCE 1
21 #include <libgen.h>
22 #include <stdio.h>
23 #include <string.h>
26 static int
27 test (const char *input, const char *result)
29 int retval;
30 char *cp;
31 cp = strdupa (input);
32 cp = dirname (cp);
33 retval = strcmp (cp, result);
34 if (retval)
35 printf ("dirname(\"%s\") should be \"%s\", but is \"%s\"\n",
36 input, result, cp);
37 return retval;
40 int
41 main (void)
43 int result = 0;
45 /* These are the examples given in XPG4.2. */
46 result |= test ("/usr/lib", "/usr");
47 result |= test ("/usr/", "/");
48 result |= test ("usr", ".");
49 result |= test ("/", "/");
50 result |= test (".", ".");
51 result |= test ("..", ".");
53 /* Some more tests. */
54 result |= test ("/usr/lib/", "/usr");
55 result |= test ("/usr", "/");
56 result |= test ("a//", ".");
57 result |= test ("a////", ".");
58 result |= test ("////usr", "/");
59 result |= test ("////usr//", "/");
60 result |= test ("//usr", "//");
61 result |= test ("//usr//", "//");
62 result |= test ("//", "//");
64 /* Other Unix implementations behave like this. */
65 result |= test ("x///y", "x");
66 result |= test ("x/////y", "x");
68 return result != 0;