libsframe/testsuite/libsframe.decode/frecnt-2.c

   1 /* frecnt-2.c -- Test for decoder in libsframe.
   2
   3    Copyright (C) 2022-2024 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 <http://www.gnu.org/licenses/>.  */
  17
  18 #include "config.h"
  19
  20 #include <stdio.h>
  21 #include <stdlib.h>
  22 #include <sys/stat.h>
  23
  24 #include "sframe-api.h"
  25
  26 /* DejaGnu should not use gnulib's vsnprintf replacement here.  */
  27 #undef vsnprintf
  28 #include <dejagnu.h>
  29
  30 /*
  31  * SFrame info from the following source (2 fde 8 fres):
  32  * static int cnt;
  33  * int foo() { return ++cnt; }
  34  * int main() { return foo(); }
  35  */
  36 #define DATA    "DATA2"
  37
  38 int
  39 main (void)
  40 {
  41   sframe_decoder_ctx *dctx = NULL;
  42   uint32_t nfres, fsize;
  43   int32_t fstart;
  44   unsigned char finfo;
  45   unsigned int i;
  46   int err = 0;
  47   FILE *fp;
  48   struct stat st;
  49   char *sf_buf;
  50   size_t sf_size;
  51
  52 #define TEST(name, cond)                                                      \
  53   do                                                                          \
  54     {                                                                         \
  55       if (cond)                                                               \
  56         pass (name);                                                          \
  57       else                                                                    \
  58         fail (name);                                                          \
  59     }                                                                         \
  60     while (0)
  61
  62   fp = fopen (DATA, "r");
  63   if (fp == NULL)
  64     goto setup_fail;
  65   if (fstat (fileno (fp), &st) < 0)
  66     {
  67       perror ("fstat");
  68       fclose (fp);
  69       goto setup_fail;
  70     }
  71   sf_buf = malloc (st.st_size);
  72   if (sf_buf == NULL)
  73     {
  74       perror ("malloc");
  75       goto setup_fail;
  76     }
  77
  78   /* Execute tests.  */
  79   sf_size = fread (sf_buf, 1, st.st_size, fp);
  80   fclose (fp);
  81   TEST ("frecnt-2: Read data", sf_size != 0);
  82
  83   dctx = sframe_decode (sf_buf, sf_size, &err);
  84   TEST ("frecnt-2: Decode setup", dctx != NULL);
  85
  86   unsigned int fde_cnt = sframe_decoder_get_num_fidx (dctx);
  87   TEST ("frecnt-2: Decode FDE count", fde_cnt == 2);
  88
  89   for (i = 0; i < fde_cnt; ++i)
  90     {
  91       err = sframe_decoder_get_funcdesc (dctx, i, &nfres, &fsize, &fstart,
  92                                          &finfo);
  93       TEST ("frecnt-2: Decode get FDE", err == 0);
  94       TEST ("frecnt-2: Decode get FRE", nfres == 4);
  95     }
  96
  97   free (sf_buf);
  98   sf_buf = NULL;
  99
 100   sframe_decoder_free (&dctx);
 101   return 0;
 102
 103 setup_fail:
 104   sframe_decoder_free (&dctx);
 105   fail ("frecnt-2: Test setup");
 106   return 1;
 107 }