root/maint/gnulib/tests/test-filenamecat.c

/* */

DEFINITIONS

1. main

   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
  34 main (_GL_UNUSED int argc, 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 }

/* */