1  /* Test of concatenation of two arbitrary file names.
       2  
       3     Copyright (C) 1996-2007, 2009-2023 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 <stddef.h>
      27  #include <stdio.h>
      28  #include <stdlib.h>
      29  #include <string.h>
      30  
      31  
      32  int
      33  main (_GL_UNUSED int argc, char *argv[])
      34  {
      35    static char const *const tests[][3] =
      36      {
      37        {"a", "b",   "a/b"},
      38        {"a/", "b",  "a/b"},
      39        {"a/", "/b", "a/b"},
      40        {"a", "/b",  "a/b"},
      41  
      42        {"/", "b",  "/b"},
      43        {"/", "/b", "/./b"}, /* This result could be shorter.  */
      44        {"/", "/",  "/./"},  /* This result could be shorter.  */
      45        {"a", "/",  "a/"},   /* this might deserve a diagnostic */
      46        {"/a", "/", "/a/"},  /* this might deserve a diagnostic */
      47        {"a", "//b",  "a//b"},
      48        {"", "a", "a"},  /* this might deserve a diagnostic */
      49      };
      50    unsigned int i;
      51    bool fail = false;
      52  
      53    for (i = 0; i < sizeof tests / sizeof tests[0]; i++)
      54      {
      55        char *base_in_result;
      56        char const *const *t = tests[i];
      57        char *res = file_name_concat (t[0], t[1], &base_in_result);
      58        idx_t prefixlen = base_in_result - res;
      59        size_t t0len = strlen (t[0]);
      60        size_t reslen = strlen (res);
      61        if (strcmp (res, t[2]) != 0)
      62          {
      63            fprintf (stderr, "test #%u: got %s, expected %s\n", i, res, t[2]);
      64            fail = true;
      65          }
      66        if (strcmp (t[1], base_in_result) != 0)
      67          {
      68            fprintf (stderr, "test #%u: base %s != base_in_result %s\n",
      69                     i, t[1], base_in_result);
      70            fail = true;
      71          }
      72        if (! (0 <= prefixlen && prefixlen <= reslen))
      73          {
      74            fprintf (stderr, "test #%u: base_in_result is not in result\n", i);
      75            fail = true;
      76          }
      77        if (reslen < t0len || memcmp (res, t[0], t0len) != 0)
      78          {
      79            fprintf (stderr, "test #%u: %s is not a prefix of %s\n",
      80                     i, t[0], res);
      81            fail = true;
      82          }
      83        free (res);
      84      }
      85    exit (fail ? EXIT_FAILURE : EXIT_SUCCESS);
      86  }