src/tiff/test/check_tag.c

   1 /* $Id$ */
   2
   3 /*
   4  * Copyright (c) 2004, Andrey Kiselev  <dron@ak4719.spb.edu>
   5  *
   6  * Permission to use, copy, modify, distribute, and sell this software and
   7  * its documentation for any purpose is hereby granted without fee, provided
   8  * that (i) the above copyright notices and this permission notice appear in
   9  * all copies of the software and related documentation, and (ii) the names of
  10  * Sam Leffler and Silicon Graphics may not be used in any advertising or
  11  * publicity relating to the software without the specific, prior written
  12  * permission of Sam Leffler and Silicon Graphics.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
  15  * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
  16  * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
  17  *
  18  * IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
  19  * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
  20  * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
  21  * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
  22  * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
  23  * OF THIS SOFTWARE.
  24  */
  25
  26 /*
  27  * TIFF Library
  28  *
  29  * Helper testing routines.
  30  */
  31
  32 #include "tiffio.h"
  33
  34 int
  35 CheckShortField(TIFF *tif, const ttag_t field, const uint16 value)
  36 {
  37         uint16 tmp = 123;
  38
  39         if (!TIFFGetField(tif, field, &tmp)) {
  40                 fprintf (stderr, "Problem fetching tag %lu.\n",
  41                          (unsigned long) field);
  42                 return -1;
  43         }
  44         if (tmp != value) {
  45                 fprintf (stderr, "Wrong SHORT value fetched for tag %lu.\n",
  46                          (unsigned long) field);
  47                 return -1;
  48         }
  49
  50         return 0;
  51 }
  52
  53 int
  54 CheckShortPairedField(TIFF *tif, const ttag_t field, const uint16 *values)
  55 {
  56         uint16 tmp[2] = { 123, 456 };
  57
  58         if (!TIFFGetField(tif, field, tmp, tmp + 1)) {
  59                 fprintf (stderr, "Problem fetching tag %lu.\n",
  60                          (unsigned long) field);
  61                 return -1;
  62         }
  63         if (tmp[0] != values[0] || tmp[1] != values[1]) {
  64                 fprintf (stderr, "Wrong SHORT PAIR fetched for tag %lu.\n",
  65                          (unsigned long) field);
  66                 return -1;
  67         }
  68
  69         return 0;
  70 }
  71
  72 int
  73 CheckLongField(TIFF *tif, const ttag_t field, const uint32 value)
  74 {
  75         uint32 tmp = 123;
  76
  77         if (!TIFFGetField(tif, field, &tmp)) {
  78                 fprintf (stderr, "Problem fetching tag %lu.\n",
  79                          (unsigned long) field);
  80                 return -1;
  81         }
  82         if (tmp != value) {
  83                 fprintf (stderr, "Wrong LONG value fetched for tag %lu.\n",
  84                          (unsigned long) field);
  85                 return -1;
  86         }
  87
  88         return 0;
  89 }
  90
  91