kc3-lang/gnulib/tests/test-filenamecat.c

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• Hash : 5b92dd0a
  Author :
  Date : 2024-01-01T10:31:48
  

  maint: run 'make update-copyright'
  

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• tests/test-filenamecat.c

• /* Test of concatenation of two arbitrary file names.
  
     Copyright (C) 1996-2007, 2009-2024 Free Software Foundation, Inc.
  
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
     the Free Software Foundation, either version 3 of the License, or
     (at your option) any later version.
  
     This program is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     GNU General Public License for more details.
  
     You should have received a copy of the GNU General Public License
     along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
  
  /* Written by Jim Meyering.  */
  
  #include <config.h>
  
  #include "filenamecat.h"
  
  #include "idx.h"
  
  #include <stddef.h>
  #include <stdio.h>
  #include <stdlib.h>
  #include <string.h>
  
  
  int
  main (_GL_UNUSED int argc, char *argv[])
  {
    static char const *const tests[][3] =
      {
        {"a", "b",   "a/b"},
        {"a/", "b",  "a/b"},
        {"a/", "/b", "a/b"},
        {"a", "/b",  "a/b"},
  
        {"/", "b",  "/b"},
        {"/", "/b", "/./b"}, /* This result could be shorter.  */
        {"/", "/",  "/./"},  /* This result could be shorter.  */
        {"a", "/",  "a/"},   /* this might deserve a diagnostic */
        {"/a", "/", "/a/"},  /* this might deserve a diagnostic */
        {"a", "//b",  "a//b"},
        {"", "a", "a"},  /* this might deserve a diagnostic */
      };
    unsigned int i;
    bool fail = false;
  
    for (i = 0; i < sizeof tests / sizeof tests[0]; i++)
      {
        char *base_in_result;
        char const *const *t = tests[i];
        char *res = file_name_concat (t[0], t[1], &base_in_result);
        idx_t prefixlen = base_in_result - res;
        size_t t0len = strlen (t[0]);
        size_t reslen = strlen (res);
        if (strcmp (res, t[2]) != 0)
          {
            fprintf (stderr, "test #%u: got %s, expected %s\n", i, res, t[2]);
            fail = true;
          }
        if (strcmp (t[1], base_in_result) != 0)
          {
            fprintf (stderr, "test #%u: base %s != base_in_result %s\n",
                     i, t[1], base_in_result);
            fail = true;
          }
        if (! (0 <= prefixlen && prefixlen <= reslen))
          {
            fprintf (stderr, "test #%u: base_in_result is not in result\n", i);
            fail = true;
          }
        if (reslen < t0len || memcmp (res, t[0], t0len) != 0)
          {
            fprintf (stderr, "test #%u: %s is not a prefix of %s\n",
                     i, t[0], res);
            fail = true;
          }
        free (res);
      }
    exit (fail ? EXIT_FAILURE : EXIT_SUCCESS);
  }
  

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