1 /* Test of concatenation of two arbitrary file names.
2 
3    Copyright (C) 1996-2007, 2009-2020 Free Software Foundation, Inc.
4 
5    This program is free software: you can redistribute it and/or modify
6    it under the terms of the GNU General Public License as published by
7    the Free Software Foundation; either version 3 of the License, or
8    (at your option) any later version.
9 
10    This program is distributed in the hope that it will be useful,
11    but WITHOUT ANY WARRANTY; without even the implied warranty of
12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13    GNU General Public License for more details.
14 
15    You should have received a copy of the GNU General Public License
16    along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
17 
18 /* Written by Jim Meyering.  */
19 
20 #include <config.h>
21 
22 #include "filenamecat.h"
23 
24 #include <stdbool.h>
25 #include <stddef.h>
26 #include <stdio.h>
27 #include <stdlib.h>
28 #include <string.h>
29 
30 
31 int
main(int argc _GL_UNUSED,char * argv[])32 main (int argc _GL_UNUSED, char *argv[])
33 {
34   static char const *const tests[][3] =
35     {
36       {"a", "b",   "a/b"},
37       {"a/", "b",  "a/b"},
38       {"a/", "/b", "a/b"},
39       {"a", "/b",  "a/b"},
40 
41       {"/", "b",  "/b"},
42       {"/", "/b", "/./b"}, /* This result could be shorter.  */
43       {"/", "/",  "/./"},  /* This result could be shorter.  */
44       {"a", "/",  "a/"},   /* this might deserve a diagnostic */
45       {"/a", "/", "/a/"},  /* this might deserve a diagnostic */
46       {"a", "//b",  "a//b"},
47       {"", "a", "a"},  /* this might deserve a diagnostic */
48     };
49   unsigned int i;
50   bool fail = false;
51 
52   for (i = 0; i < sizeof tests / sizeof tests[0]; i++)
53     {
54       char *base_in_result;
55       char const *const *t = tests[i];
56       char *res = file_name_concat (t[0], t[1], &base_in_result);
57       ptrdiff_t prefixlen = base_in_result - res;
58       size_t t0len = strlen (t[0]);
59       size_t reslen = strlen (res);
60       if (strcmp (res, t[2]) != 0)
61         {
62           fprintf (stderr, "test #%u: got %s, expected %s\n", i, res, t[2]);
63           fail = true;
64         }
65       if (strcmp (t[1], base_in_result) != 0)
66         {
67           fprintf (stderr, "test #%u: base %s != base_in_result %s\n",
68                    i, t[1], base_in_result);
69           fail = true;
70         }
71       if (! (0 <= prefixlen && prefixlen <= reslen))
72         {
73           fprintf (stderr, "test #%u: base_in_result is not in result\n", i);
74           fail = true;
75         }
76       if (reslen < t0len || memcmp (res, t[0], t0len) != 0)
77         {
78           fprintf (stderr, "test #%u: %s is not a prefix of %s\n",
79                    i, t[0], res);
80           fail = true;
81         }
82       free (res);
83     }
84   exit (fail ? EXIT_FAILURE : EXIT_SUCCESS);
85 }
86