1/* test-sorted.c
2 *
3 * This test ensures that the ExifTagTable[] array is stored in sorted
4 * order. If that were not so, then it a binary search of the array would
5 * not give correct results.
6 *
7 * Copyright 2009 Dan Fandrich <dan@coneharvesters.com>
8 *
9 * This library is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public
11 * License as published by the Free Software Foundation; either
12 * version 2 of the License, or (at your option) any later version.
13 *
14 * This library is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
17 * Lesser General Public License for more details.
18 *
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with this library; if not, write to the
21 * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
22 * Boston, MA  02110-1301  USA
23 */
24
25#include <libexif/exif-tag.h>
26#include <stdio.h>
27
28int
29main (void)
30{
31	int rc = 0;
32	unsigned int i, num;
33	ExifTag last = 0, current;
34	num = exif_tag_table_count() - 1; /* last entry is a NULL terminator */
35	for (i=0; i < num; ++i) {
36		current = exif_tag_table_get_tag(i);
37		if (current < last) {
38			printf("Tag 0x%04x in ExifTagTable[] is out of order\n",
39				current);
40			rc = 1;
41		}
42		if (exif_tag_table_get_name(i) == NULL) {
43			printf("Tag 0x%04x has a NULL name\n", current);
44			rc = 1;
45		}
46		last = current;
47	}
48
49	return rc;
50}
51