1 /* Test of concatenation of two arbitrary file names.
2
3 Copyright (C) 1996-2007, 2009-2021 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 "idx.h"
25
26 #include <stdbool.h>
27 #include <stddef.h>
28 #include <stdio.h>
29 #include <stdlib.h>
30 #include <string.h>
31
32
33 int
main(int argc _GL_UNUSED,char * argv[])34 main (int argc _GL_UNUSED, char *argv[])
35 {
36 static char const *const tests[][3] =
37 {
38 {"a", "b", "a/b"},
39 {"a/", "b", "a/b"},
40 {"a/", "/b", "a/b"},
41 {"a", "/b", "a/b"},
42
43 {"/", "b", "/b"},
44 {"/", "/b", "/./b"}, /* This result could be shorter. */
45 {"/", "/", "/./"}, /* This result could be shorter. */
46 {"a", "/", "a/"}, /* this might deserve a diagnostic */
47 {"/a", "/", "/a/"}, /* this might deserve a diagnostic */
48 {"a", "//b", "a//b"},
49 {"", "a", "a"}, /* this might deserve a diagnostic */
50 };
51 unsigned int i;
52 bool fail = false;
53
54 for (i = 0; i < sizeof tests / sizeof tests[0]; i++)
55 {
56 char *base_in_result;
57 char const *const *t = tests[i];
58 char *res = file_name_concat (t[0], t[1], &base_in_result);
59 idx_t prefixlen = base_in_result - res;
60 size_t t0len = strlen (t[0]);
61 size_t reslen = strlen (res);
62 if (strcmp (res, t[2]) != 0)
63 {
64 fprintf (stderr, "test #%u: got %s, expected %s\n", i, res, t[2]);
65 fail = true;
66 }
67 if (strcmp (t[1], base_in_result) != 0)
68 {
69 fprintf (stderr, "test #%u: base %s != base_in_result %s\n",
70 i, t[1], base_in_result);
71 fail = true;
72 }
73 if (! (0 <= prefixlen && prefixlen <= reslen))
74 {
75 fprintf (stderr, "test #%u: base_in_result is not in result\n", i);
76 fail = true;
77 }
78 if (reslen < t0len || memcmp (res, t[0], t0len) != 0)
79 {
80 fprintf (stderr, "test #%u: %s is not a prefix of %s\n",
81 i, t[0], res);
82 fail = true;
83 }
84 free (res);
85 }
86 exit (fail ? EXIT_FAILURE : EXIT_SUCCESS);
87 }
88