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/* test-tagtable.c
*
* Test various functions that involve the tag table.
*
* Copyright (c) 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 "config.h"
#include <libexif/exif-tag.h>
#include <stdio.h>
#include <string.h>
#define VALIDATE(s) if (!(s)) {printf("Test %s FAILED\n", #s); fail=1;}
#define TESTBLOCK(t) {int rc = (t); fail |= rc; \
if (rc) printf("%s tests FAILED\n", #t);}
/* Test exif_tag_get_support_level_in_ifd */
static int support_level(void)
{
int fail = 0;
/*
* The tag EXIF_TAG_PLANAR_CONFIGURATION support varies greatly between
* data types.
*/
VALIDATE(exif_tag_get_support_level_in_ifd(EXIF_TAG_PLANAR_CONFIGURATION,
EXIF_IFD_0, EXIF_DATA_TYPE_UNCOMPRESSED_CHUNKY) ==
EXIF_SUPPORT_LEVEL_OPTIONAL)
VALIDATE(exif_tag_get_support_level_in_ifd(EXIF_TAG_PLANAR_CONFIGURATION,
EXIF_IFD_0, EXIF_DATA_TYPE_UNCOMPRESSED_PLANAR) ==
EXIF_SUPPORT_LEVEL_MANDATORY)
VALIDATE(exif_tag_get_support_level_in_ifd(EXIF_TAG_PLANAR_CONFIGURATION,
EXIF_IFD_0, EXIF_DATA_TYPE_UNCOMPRESSED_YCC) ==
EXIF_SUPPORT_LEVEL_OPTIONAL)
VALIDATE(exif_tag_get_support_level_in_ifd(EXIF_TAG_PLANAR_CONFIGURATION,
EXIF_IFD_0, EXIF_DATA_TYPE_COMPRESSED) ==
EXIF_SUPPORT_LEVEL_NOT_RECORDED)
VALIDATE(exif_tag_get_support_level_in_ifd(EXIF_TAG_PLANAR_CONFIGURATION,
EXIF_IFD_0, EXIF_DATA_TYPE_UNKNOWN) ==
EXIF_SUPPORT_LEVEL_UNKNOWN)
/*
* The tag EXIF_TAG_YCBCR_POSITIONING support varies greatly between
* IFDs
*/
VALIDATE(exif_tag_get_support_level_in_ifd(EXIF_TAG_YCBCR_POSITIONING,
EXIF_IFD_0, EXIF_DATA_TYPE_COMPRESSED) ==
EXIF_SUPPORT_LEVEL_MANDATORY)
VALIDATE(exif_tag_get_support_level_in_ifd(EXIF_TAG_YCBCR_POSITIONING,
EXIF_IFD_1, EXIF_DATA_TYPE_COMPRESSED) ==
EXIF_SUPPORT_LEVEL_OPTIONAL)
VALIDATE(exif_tag_get_support_level_in_ifd(EXIF_TAG_YCBCR_POSITIONING,
EXIF_IFD_EXIF, EXIF_DATA_TYPE_COMPRESSED) ==
EXIF_SUPPORT_LEVEL_NOT_RECORDED)
VALIDATE(exif_tag_get_support_level_in_ifd(EXIF_TAG_YCBCR_POSITIONING,
EXIF_IFD_GPS, EXIF_DATA_TYPE_COMPRESSED) ==
EXIF_SUPPORT_LEVEL_NOT_RECORDED)
VALIDATE(exif_tag_get_support_level_in_ifd(EXIF_TAG_YCBCR_POSITIONING,
EXIF_IFD_INTEROPERABILITY, EXIF_DATA_TYPE_COMPRESSED) ==
EXIF_SUPPORT_LEVEL_NOT_RECORDED)
/*
* The tag EXIF_TAG_GPS_VERSION_ID has value 0 which should NOT be
* treated specially
*/
VALIDATE(exif_tag_get_support_level_in_ifd(EXIF_TAG_GPS_VERSION_ID,
EXIF_IFD_GPS, EXIF_DATA_TYPE_COMPRESSED) ==
EXIF_SUPPORT_LEVEL_OPTIONAL)
VALIDATE(exif_tag_get_support_level_in_ifd(EXIF_TAG_GPS_VERSION_ID,
EXIF_IFD_GPS, EXIF_DATA_TYPE_UNKNOWN) ==
EXIF_SUPPORT_LEVEL_OPTIONAL)
VALIDATE(exif_tag_get_support_level_in_ifd(EXIF_TAG_GPS_VERSION_ID,
EXIF_IFD_0, EXIF_DATA_TYPE_COMPRESSED) ==
EXIF_SUPPORT_LEVEL_NOT_RECORDED)
VALIDATE(exif_tag_get_support_level_in_ifd(EXIF_TAG_GPS_VERSION_ID,
EXIF_IFD_0, EXIF_DATA_TYPE_UNKNOWN) ==
EXIF_SUPPORT_LEVEL_UNKNOWN)
/* The unused tag 0xffff should NOT be treated specially */
VALIDATE(exif_tag_get_support_level_in_ifd(0xffff,
EXIF_IFD_0, EXIF_DATA_TYPE_UNKNOWN) ==
EXIF_SUPPORT_LEVEL_UNKNOWN)
VALIDATE(exif_tag_get_support_level_in_ifd(0xffff,
EXIF_IFD_0, EXIF_DATA_TYPE_COMPRESSED) ==
EXIF_SUPPORT_LEVEL_NOT_RECORDED)
/*
* The tag EXIF_TAG_DOCUMENT_NAME isn't in the EXIF 2.2 standard but
* it exists in the tag table, which causes it to show up as unknown
* instead of not recorded.
*/
VALIDATE(exif_tag_get_support_level_in_ifd(EXIF_TAG_DOCUMENT_NAME,
EXIF_IFD_0, EXIF_DATA_TYPE_UNKNOWN) ==
EXIF_SUPPORT_LEVEL_UNKNOWN)
VALIDATE(exif_tag_get_support_level_in_ifd(EXIF_TAG_DOCUMENT_NAME,
EXIF_IFD_1, EXIF_DATA_TYPE_UNCOMPRESSED_CHUNKY) ==
EXIF_SUPPORT_LEVEL_UNKNOWN)
/*
* The tag number for EXIF_TAG_INTEROPERABILITY_INDEX (1) exists in both
* IFD Interoperability and IFD GPS (as EXIF_TAG_GPS_LATITUDE_REF) so
* there are two entries in the table.
*/
VALIDATE(exif_tag_get_support_level_in_ifd(EXIF_TAG_INTEROPERABILITY_INDEX,
EXIF_IFD_INTEROPERABILITY, EXIF_DATA_TYPE_COMPRESSED) ==
EXIF_SUPPORT_LEVEL_OPTIONAL)
VALIDATE(exif_tag_get_support_level_in_ifd(EXIF_TAG_INTEROPERABILITY_INDEX,
EXIF_IFD_INTEROPERABILITY, EXIF_DATA_TYPE_UNKNOWN) ==
EXIF_SUPPORT_LEVEL_OPTIONAL)
VALIDATE(exif_tag_get_support_level_in_ifd(EXIF_TAG_INTEROPERABILITY_INDEX,
EXIF_IFD_0, EXIF_DATA_TYPE_COMPRESSED) ==
EXIF_SUPPORT_LEVEL_NOT_RECORDED)
VALIDATE(exif_tag_get_support_level_in_ifd(EXIF_TAG_INTEROPERABILITY_INDEX,
EXIF_IFD_0, EXIF_DATA_TYPE_UNKNOWN) ==
EXIF_SUPPORT_LEVEL_UNKNOWN)
VALIDATE(exif_tag_get_support_level_in_ifd(EXIF_TAG_GPS_LATITUDE_REF,
EXIF_IFD_GPS, EXIF_DATA_TYPE_COMPRESSED) ==
EXIF_SUPPORT_LEVEL_OPTIONAL)
VALIDATE(exif_tag_get_support_level_in_ifd(EXIF_TAG_GPS_LATITUDE_REF,
EXIF_IFD_GPS, EXIF_DATA_TYPE_UNKNOWN) ==
EXIF_SUPPORT_LEVEL_OPTIONAL)
/* The result of an unknown IFD should always be unknown */
VALIDATE(exif_tag_get_support_level_in_ifd(EXIF_TAG_EXIF_VERSION,
EXIF_IFD_COUNT, EXIF_DATA_TYPE_UNKNOWN) ==
EXIF_SUPPORT_LEVEL_UNKNOWN)
VALIDATE(exif_tag_get_support_level_in_ifd(EXIF_TAG_EXIF_VERSION,
EXIF_IFD_COUNT, EXIF_DATA_TYPE_COMPRESSED) ==
EXIF_SUPPORT_LEVEL_UNKNOWN)
return fail;
}
/* Test exif_tag_get_name_in_ifd */
static int name(void)
{
int fail = 0;
/*
* The tag EXIF_TAG_GPS_VERSION_ID has value 0 which should NOT be
* treated specially
*/
VALIDATE(!strcmp(exif_tag_get_name_in_ifd(
EXIF_TAG_GPS_VERSION_ID, EXIF_IFD_GPS),
"GPSVersionID"))
VALIDATE(exif_tag_get_name_in_ifd(
EXIF_TAG_GPS_VERSION_ID, EXIF_IFD_0) == NULL)
/*
* The tag number for EXIF_TAG_INTEROPERABILITY_INDEX (1) exists in both
* IFD Interoperability and IFD GPS (as EXIF_TAG_GPS_LATITUDE_REF) so
* there are two entries in the table.
*/
VALIDATE(!strcmp(exif_tag_get_name_in_ifd(
EXIF_TAG_INTEROPERABILITY_INDEX, EXIF_IFD_INTEROPERABILITY),
"InteroperabilityIndex"))
VALIDATE(!strcmp(exif_tag_get_name_in_ifd(
EXIF_TAG_GPS_LATITUDE_REF, EXIF_IFD_GPS),
"GPSLatitudeRef"))
/* Tag that doesn't appear in an IFD produces a NULL */
VALIDATE(exif_tag_get_name_in_ifd(
EXIF_TAG_EXIF_VERSION, EXIF_IFD_0) == NULL)
/* Invalid IFD produces a NULL */
VALIDATE(exif_tag_get_name_in_ifd(
EXIF_TAG_EXIF_VERSION, EXIF_IFD_COUNT) == NULL)
return fail;
}
int
main ()
{
int fail = 0;
TESTBLOCK(support_level())
TESTBLOCK(name())
return fail;
}
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