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Diffstat (limited to 'test/test-sorted.c')
-rw-r--r-- | test/test-sorted.c | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/test/test-sorted.c b/test/test-sorted.c new file mode 100644 index 0000000..0d00317 --- /dev/null +++ b/test/test-sorted.c @@ -0,0 +1,50 @@ +/* test-sorted.c + * + * This test ensures that the ExifTagTable[] array is stored in sorted + * order. If that were not so, then it a binary search of the array would + * not give correct results. + * + * Copyright 2009 Dan Fandrich <dan@coneharvesters.com> + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301 USA + */ + +#include <libexif/exif-tag.h> +#include <stdio.h> + +int +main (void) +{ + int rc = 0; + unsigned int i, num; + ExifTag last = 0, current; + num = exif_tag_table_count() - 1; /* last entry is a NULL terminator */ + for (i=0; i < num; ++i) { + current = exif_tag_table_get_tag(i); + if (current < last) { + printf("Tag 0x%04x in ExifTagTable[] is out of order\n", + current); + rc = 1; + } + if (exif_tag_table_get_name(i) == NULL) { + printf("Tag 0x%04x has a NULL name\n", current); + rc = 1; + } + last = current; + } + + return rc; +} |