/* test-tagtable.c
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*
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* Test various functions that involve the tag table.
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*
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* Copyright (c) 2009 Dan Fandrich <dan@coneharvesters.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA.
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*/
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#include "config.h"
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#include <libexif/exif-tag.h>
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#include <stdio.h>
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#include <string.h>
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#define VALIDATE(s) if (!(s)) {printf("Test %s FAILED\n", #s); fail=1;}
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#define TESTBLOCK(t) {int rc = (t); fail |= rc; \
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if (rc) printf("%s tests FAILED\n", #t);}
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/* Test exif_tag_get_support_level_in_ifd */
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static int support_level(void)
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{
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int fail = 0;
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/*
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* The tag EXIF_TAG_PLANAR_CONFIGURATION support varies greatly between
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* data types.
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*/
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VALIDATE(exif_tag_get_support_level_in_ifd(EXIF_TAG_PLANAR_CONFIGURATION,
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EXIF_IFD_0, EXIF_DATA_TYPE_UNCOMPRESSED_CHUNKY) ==
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EXIF_SUPPORT_LEVEL_OPTIONAL)
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VALIDATE(exif_tag_get_support_level_in_ifd(EXIF_TAG_PLANAR_CONFIGURATION,
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EXIF_IFD_0, EXIF_DATA_TYPE_UNCOMPRESSED_PLANAR) ==
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EXIF_SUPPORT_LEVEL_MANDATORY)
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VALIDATE(exif_tag_get_support_level_in_ifd(EXIF_TAG_PLANAR_CONFIGURATION,
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EXIF_IFD_0, EXIF_DATA_TYPE_UNCOMPRESSED_YCC) ==
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EXIF_SUPPORT_LEVEL_OPTIONAL)
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VALIDATE(exif_tag_get_support_level_in_ifd(EXIF_TAG_PLANAR_CONFIGURATION,
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EXIF_IFD_0, EXIF_DATA_TYPE_COMPRESSED) ==
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EXIF_SUPPORT_LEVEL_NOT_RECORDED)
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VALIDATE(exif_tag_get_support_level_in_ifd(EXIF_TAG_PLANAR_CONFIGURATION,
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EXIF_IFD_0, EXIF_DATA_TYPE_UNKNOWN) ==
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EXIF_SUPPORT_LEVEL_UNKNOWN)
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/*
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* The tag EXIF_TAG_YCBCR_POSITIONING support varies greatly between
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* IFDs
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*/
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VALIDATE(exif_tag_get_support_level_in_ifd(EXIF_TAG_YCBCR_POSITIONING,
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EXIF_IFD_0, EXIF_DATA_TYPE_COMPRESSED) ==
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EXIF_SUPPORT_LEVEL_MANDATORY)
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VALIDATE(exif_tag_get_support_level_in_ifd(EXIF_TAG_YCBCR_POSITIONING,
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EXIF_IFD_1, EXIF_DATA_TYPE_COMPRESSED) ==
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EXIF_SUPPORT_LEVEL_OPTIONAL)
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VALIDATE(exif_tag_get_support_level_in_ifd(EXIF_TAG_YCBCR_POSITIONING,
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EXIF_IFD_EXIF, EXIF_DATA_TYPE_COMPRESSED) ==
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EXIF_SUPPORT_LEVEL_NOT_RECORDED)
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VALIDATE(exif_tag_get_support_level_in_ifd(EXIF_TAG_YCBCR_POSITIONING,
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EXIF_IFD_GPS, EXIF_DATA_TYPE_COMPRESSED) ==
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EXIF_SUPPORT_LEVEL_NOT_RECORDED)
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VALIDATE(exif_tag_get_support_level_in_ifd(EXIF_TAG_YCBCR_POSITIONING,
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EXIF_IFD_INTEROPERABILITY, EXIF_DATA_TYPE_COMPRESSED) ==
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EXIF_SUPPORT_LEVEL_NOT_RECORDED)
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/*
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* The tag EXIF_TAG_GPS_VERSION_ID has value 0 which should NOT be
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* treated specially
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*/
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VALIDATE(exif_tag_get_support_level_in_ifd(EXIF_TAG_GPS_VERSION_ID,
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EXIF_IFD_GPS, EXIF_DATA_TYPE_COMPRESSED) ==
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EXIF_SUPPORT_LEVEL_OPTIONAL)
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VALIDATE(exif_tag_get_support_level_in_ifd(EXIF_TAG_GPS_VERSION_ID,
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EXIF_IFD_GPS, EXIF_DATA_TYPE_UNKNOWN) ==
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EXIF_SUPPORT_LEVEL_OPTIONAL)
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VALIDATE(exif_tag_get_support_level_in_ifd(EXIF_TAG_GPS_VERSION_ID,
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EXIF_IFD_0, EXIF_DATA_TYPE_COMPRESSED) ==
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EXIF_SUPPORT_LEVEL_NOT_RECORDED)
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VALIDATE(exif_tag_get_support_level_in_ifd(EXIF_TAG_GPS_VERSION_ID,
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EXIF_IFD_0, EXIF_DATA_TYPE_UNKNOWN) ==
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EXIF_SUPPORT_LEVEL_UNKNOWN)
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/* The unused tag 0xffff should NOT be treated specially */
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VALIDATE(exif_tag_get_support_level_in_ifd(0xffff,
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EXIF_IFD_0, EXIF_DATA_TYPE_UNKNOWN) ==
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EXIF_SUPPORT_LEVEL_UNKNOWN)
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VALIDATE(exif_tag_get_support_level_in_ifd(0xffff,
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EXIF_IFD_0, EXIF_DATA_TYPE_COMPRESSED) ==
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EXIF_SUPPORT_LEVEL_NOT_RECORDED)
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/*
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* The tag EXIF_TAG_DOCUMENT_NAME isn't in the EXIF 2.2 standard but
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* it exists in the tag table, which causes it to show up as unknown
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* instead of not recorded.
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*/
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VALIDATE(exif_tag_get_support_level_in_ifd(EXIF_TAG_DOCUMENT_NAME,
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EXIF_IFD_0, EXIF_DATA_TYPE_UNKNOWN) ==
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EXIF_SUPPORT_LEVEL_UNKNOWN)
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VALIDATE(exif_tag_get_support_level_in_ifd(EXIF_TAG_DOCUMENT_NAME,
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EXIF_IFD_1, EXIF_DATA_TYPE_UNCOMPRESSED_CHUNKY) ==
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EXIF_SUPPORT_LEVEL_UNKNOWN)
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/*
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* The tag number for EXIF_TAG_INTEROPERABILITY_INDEX (1) exists in both
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* IFD Interoperability and IFD GPS (as EXIF_TAG_GPS_LATITUDE_REF) so
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* there are two entries in the table.
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*/
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VALIDATE(exif_tag_get_support_level_in_ifd(EXIF_TAG_INTEROPERABILITY_INDEX,
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EXIF_IFD_INTEROPERABILITY, EXIF_DATA_TYPE_COMPRESSED) ==
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EXIF_SUPPORT_LEVEL_OPTIONAL)
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VALIDATE(exif_tag_get_support_level_in_ifd(EXIF_TAG_INTEROPERABILITY_INDEX,
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EXIF_IFD_INTEROPERABILITY, EXIF_DATA_TYPE_UNKNOWN) ==
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EXIF_SUPPORT_LEVEL_OPTIONAL)
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VALIDATE(exif_tag_get_support_level_in_ifd(EXIF_TAG_INTEROPERABILITY_INDEX,
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EXIF_IFD_0, EXIF_DATA_TYPE_COMPRESSED) ==
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EXIF_SUPPORT_LEVEL_NOT_RECORDED)
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VALIDATE(exif_tag_get_support_level_in_ifd(EXIF_TAG_INTEROPERABILITY_INDEX,
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EXIF_IFD_0, EXIF_DATA_TYPE_UNKNOWN) ==
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EXIF_SUPPORT_LEVEL_UNKNOWN)
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VALIDATE(exif_tag_get_support_level_in_ifd(EXIF_TAG_GPS_LATITUDE_REF,
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EXIF_IFD_GPS, EXIF_DATA_TYPE_COMPRESSED) ==
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EXIF_SUPPORT_LEVEL_OPTIONAL)
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VALIDATE(exif_tag_get_support_level_in_ifd(EXIF_TAG_GPS_LATITUDE_REF,
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EXIF_IFD_GPS, EXIF_DATA_TYPE_UNKNOWN) ==
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EXIF_SUPPORT_LEVEL_OPTIONAL)
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/* The result of an unknown IFD should always be unknown */
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VALIDATE(exif_tag_get_support_level_in_ifd(EXIF_TAG_EXIF_VERSION,
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EXIF_IFD_COUNT, EXIF_DATA_TYPE_UNKNOWN) ==
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EXIF_SUPPORT_LEVEL_UNKNOWN)
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VALIDATE(exif_tag_get_support_level_in_ifd(EXIF_TAG_EXIF_VERSION,
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EXIF_IFD_COUNT, EXIF_DATA_TYPE_COMPRESSED) ==
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EXIF_SUPPORT_LEVEL_UNKNOWN)
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return fail;
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}
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/* Test exif_tag_get_name_in_ifd */
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static int name(void)
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{
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int fail = 0;
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/*
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* The tag EXIF_TAG_GPS_VERSION_ID has value 0 which should NOT be
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* treated specially
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*/
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VALIDATE(!strcmp(exif_tag_get_name_in_ifd(
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EXIF_TAG_GPS_VERSION_ID, EXIF_IFD_GPS),
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"GPSVersionID"))
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VALIDATE(exif_tag_get_name_in_ifd(
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EXIF_TAG_GPS_VERSION_ID, EXIF_IFD_0) == NULL)
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/*
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* The tag number for EXIF_TAG_INTEROPERABILITY_INDEX (1) exists in both
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* IFD Interoperability and IFD GPS (as EXIF_TAG_GPS_LATITUDE_REF) so
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* there are two entries in the table.
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*/
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VALIDATE(!strcmp(exif_tag_get_name_in_ifd(
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EXIF_TAG_INTEROPERABILITY_INDEX, EXIF_IFD_INTEROPERABILITY),
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"InteroperabilityIndex"))
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VALIDATE(!strcmp(exif_tag_get_name_in_ifd(
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EXIF_TAG_GPS_LATITUDE_REF, EXIF_IFD_GPS),
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"GPSLatitudeRef"))
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/* Tag that doesn't appear in an IFD produces a NULL */
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VALIDATE(exif_tag_get_name_in_ifd(
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EXIF_TAG_EXIF_VERSION, EXIF_IFD_0) == NULL)
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/* Invalid IFD produces a NULL */
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VALIDATE(exif_tag_get_name_in_ifd(
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EXIF_TAG_EXIF_VERSION, EXIF_IFD_COUNT) == NULL)
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return fail;
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}
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int
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main ()
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{
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int fail = 0;
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TESTBLOCK(support_level())
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TESTBLOCK(name())
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return fail;
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}
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