resolv/tst-p_secstodate.c

   1 /* Test __p_secstodate compat symbol.
   2    Copyright (C) 2017-2022 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library 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 GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <https://www.gnu.org/licenses/>.  */
  18
  19 #include <array_length.h>
  20 #include <limits.h>
  21 #include <resolv.h>
  22 #include <stdbool.h>
  23 #include <stdio.h>
  24 #include <string.h>
  25
  26 #include <shlib-compat.h>
  27
  28 char *__p_secstodate (unsigned long int);
  29 compat_symbol_reference (libresolv, __p_secstodate, __p_secstodate, GLIBC_2_0);
  30
  31 struct test
  32 {
  33   /* Argument to __p_secstodate.  */
  34   unsigned long int in;
  35   /* Expected output.  */
  36   const char *out;
  37 };
  38
  39 static const struct test tests[] =
  40   {
  41     { 0UL, "19700101000000" },
  42     { 12345UL, "19700101032545" },
  43     { 999999999UL, "20010909014639" },
  44     { 2147483647UL, "20380119031407" },
  45     { 2147483648UL, "<overflow>" },
  46     { 4294967295UL, "<overflow>" },
  47 # if ULONG_MAX > 0xffffffffUL
  48     { 4294967296UL, "<overflow>" },
  49     { 9999999999UL, "<overflow>" },
  50     { LONG_MAX, "<overflow>" },
  51     { ULONG_MAX, "<overflow>" },
  52 # endif
  53   };
  54
  55 static int
  56 do_test (void)
  57 {
  58   int ret = 0;
  59   for (size_t i = 0; i < array_length (tests); i++)
  60     {
  61       char *p = __p_secstodate (tests[i].in);
  62       printf ("Test %zu: %lu -> %s\n", i, tests[i].in, p);
  63       if (strcmp (p, tests[i].out) != 0)
  64         {
  65           printf ("test %zu failed", i);
  66           ret = 1;
  67         }
  68     }
  69   return ret;
  70 }
  71
  72 #include <support/test-driver.c>