resolv/tst-p_secstodate.c

   1 /* Test __p_secstodate compat symbol.
   2    Copyright (C) 2017-2019 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 #if TEST_COMPAT (libresolv, GLIBC_2_0, GLIBC_2_27)
  29
  30 char *__p_secstodate (unsigned long int);
  31 compat_symbol_reference (libresolv, __p_secstodate, __p_secstodate, GLIBC_2_0);
  32
  33 struct test
  34 {
  35   /* Argument to __p_secstodate.  */
  36   unsigned long int in;
  37   /* Expected output.  */
  38   const char *out;
  39 };
  40
  41 static const struct test tests[] =
  42   {
  43     { 0UL, "19700101000000" },
  44     { 12345UL, "19700101032545" },
  45     { 999999999UL, "20010909014639" },
  46     { 2147483647UL, "20380119031407" },
  47     { 2147483648UL, "<overflow>" },
  48     { 4294967295UL, "<overflow>" },
  49 # if ULONG_MAX > 0xffffffffUL
  50     { 4294967296UL, "<overflow>" },
  51     { 9999999999UL, "<overflow>" },
  52     { LONG_MAX, "<overflow>" },
  53     { ULONG_MAX, "<overflow>" },
  54 # endif
  55   };
  56
  57 static int
  58 do_test (void)
  59 {
  60   int ret = 0;
  61   for (size_t i = 0; i < array_length (tests); i++)
  62     {
  63       char *p = __p_secstodate (tests[i].in);
  64       printf ("Test %zu: %lu -> %s\n", i, tests[i].in, p);
  65       if (strcmp (p, tests[i].out) != 0)
  66         {
  67           printf ("test %zu failed", i);
  68           ret = 1;
  69         }
  70     }
  71   return ret;
  72 }
  73
  74 #else
  75
  76 static int
  77 do_test (void)
  78 {
  79   return 77;
  80 }
  81
  82 #endif
  83
  84 #include <support/test-driver.c>