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Diffstat (limited to 'test/test-tagtable.c')
-rw-r--r-- | test/test-tagtable.c | 220 |
1 files changed, 220 insertions, 0 deletions
diff --git a/test/test-tagtable.c b/test/test-tagtable.c new file mode 100644 index 0000000..d4af368 --- /dev/null +++ b/test/test-tagtable.c @@ -0,0 +1,220 @@ +/* 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; +} |