1 /* test-tagtable.c 2 * 3 * Test various functions that involve the tag table. 4 * 5 * Copyright (c) 2009 Dan Fandrich <dan (at) coneharvesters.com> 6 * 7 * This library is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU Lesser General Public 9 * License as published by the Free Software Foundation; either 10 * version 2 of the License, or (at your option) any later version. 11 * 12 * This library is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 * Lesser General Public License for more details. 16 * 17 * You should have received a copy of the GNU Lesser General Public 18 * License along with this library; if not, write to the 19 * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 20 * Boston, MA 02110-1301 USA. 21 */ 22 23 #include "config.h" 24 #include <libexif/exif-tag.h> 25 #include <stdio.h> 26 #include <string.h> 27 28 #define VALIDATE(s) if (!(s)) {printf("Test %s FAILED\n", #s); fail=1;} 29 30 #define TESTBLOCK(t) {int rc = (t); fail |= rc; \ 31 if (rc) printf("%s tests FAILED\n", #t);} 32 33 /* Test exif_tag_get_support_level_in_ifd */ 34 static int support_level(void) 35 { 36 int fail = 0; 37 38 /* 39 * The tag EXIF_TAG_PLANAR_CONFIGURATION support varies greatly between 40 * data types. 41 */ 42 VALIDATE(exif_tag_get_support_level_in_ifd(EXIF_TAG_PLANAR_CONFIGURATION, 43 EXIF_IFD_0, EXIF_DATA_TYPE_UNCOMPRESSED_CHUNKY) == 44 EXIF_SUPPORT_LEVEL_OPTIONAL) 45 46 VALIDATE(exif_tag_get_support_level_in_ifd(EXIF_TAG_PLANAR_CONFIGURATION, 47 EXIF_IFD_0, EXIF_DATA_TYPE_UNCOMPRESSED_PLANAR) == 48 EXIF_SUPPORT_LEVEL_MANDATORY) 49 50 VALIDATE(exif_tag_get_support_level_in_ifd(EXIF_TAG_PLANAR_CONFIGURATION, 51 EXIF_IFD_0, EXIF_DATA_TYPE_UNCOMPRESSED_YCC) == 52 EXIF_SUPPORT_LEVEL_OPTIONAL) 53 54 VALIDATE(exif_tag_get_support_level_in_ifd(EXIF_TAG_PLANAR_CONFIGURATION, 55 EXIF_IFD_0, EXIF_DATA_TYPE_COMPRESSED) == 56 EXIF_SUPPORT_LEVEL_NOT_RECORDED) 57 58 VALIDATE(exif_tag_get_support_level_in_ifd(EXIF_TAG_PLANAR_CONFIGURATION, 59 EXIF_IFD_0, EXIF_DATA_TYPE_UNKNOWN) == 60 EXIF_SUPPORT_LEVEL_UNKNOWN) 61 62 /* 63 * The tag EXIF_TAG_YCBCR_POSITIONING support varies greatly between 64 * IFDs 65 */ 66 VALIDATE(exif_tag_get_support_level_in_ifd(EXIF_TAG_YCBCR_POSITIONING, 67 EXIF_IFD_0, EXIF_DATA_TYPE_COMPRESSED) == 68 EXIF_SUPPORT_LEVEL_MANDATORY) 69 70 VALIDATE(exif_tag_get_support_level_in_ifd(EXIF_TAG_YCBCR_POSITIONING, 71 EXIF_IFD_1, EXIF_DATA_TYPE_COMPRESSED) == 72 EXIF_SUPPORT_LEVEL_OPTIONAL) 73 74 VALIDATE(exif_tag_get_support_level_in_ifd(EXIF_TAG_YCBCR_POSITIONING, 75 EXIF_IFD_EXIF, EXIF_DATA_TYPE_COMPRESSED) == 76 EXIF_SUPPORT_LEVEL_NOT_RECORDED) 77 78 VALIDATE(exif_tag_get_support_level_in_ifd(EXIF_TAG_YCBCR_POSITIONING, 79 EXIF_IFD_GPS, EXIF_DATA_TYPE_COMPRESSED) == 80 EXIF_SUPPORT_LEVEL_NOT_RECORDED) 81 82 VALIDATE(exif_tag_get_support_level_in_ifd(EXIF_TAG_YCBCR_POSITIONING, 83 EXIF_IFD_INTEROPERABILITY, EXIF_DATA_TYPE_COMPRESSED) == 84 EXIF_SUPPORT_LEVEL_NOT_RECORDED) 85 86 87 /* 88 * The tag EXIF_TAG_GPS_VERSION_ID has value 0 which should NOT be 89 * treated specially 90 */ 91 VALIDATE(exif_tag_get_support_level_in_ifd(EXIF_TAG_GPS_VERSION_ID, 92 EXIF_IFD_GPS, EXIF_DATA_TYPE_COMPRESSED) == 93 EXIF_SUPPORT_LEVEL_OPTIONAL) 94 95 VALIDATE(exif_tag_get_support_level_in_ifd(EXIF_TAG_GPS_VERSION_ID, 96 EXIF_IFD_GPS, EXIF_DATA_TYPE_UNKNOWN) == 97 EXIF_SUPPORT_LEVEL_OPTIONAL) 98 99 VALIDATE(exif_tag_get_support_level_in_ifd(EXIF_TAG_GPS_VERSION_ID, 100 EXIF_IFD_0, EXIF_DATA_TYPE_COMPRESSED) == 101 EXIF_SUPPORT_LEVEL_NOT_RECORDED) 102 103 VALIDATE(exif_tag_get_support_level_in_ifd(EXIF_TAG_GPS_VERSION_ID, 104 EXIF_IFD_0, EXIF_DATA_TYPE_UNKNOWN) == 105 EXIF_SUPPORT_LEVEL_UNKNOWN) 106 107 /* The unused tag 0xffff should NOT be treated specially */ 108 VALIDATE(exif_tag_get_support_level_in_ifd(0xffff, 109 EXIF_IFD_0, EXIF_DATA_TYPE_UNKNOWN) == 110 EXIF_SUPPORT_LEVEL_UNKNOWN) 111 112 VALIDATE(exif_tag_get_support_level_in_ifd(0xffff, 113 EXIF_IFD_0, EXIF_DATA_TYPE_COMPRESSED) == 114 EXIF_SUPPORT_LEVEL_NOT_RECORDED) 115 116 /* 117 * The tag EXIF_TAG_DOCUMENT_NAME isn't in the EXIF 2.2 standard but 118 * it exists in the tag table, which causes it to show up as unknown 119 * instead of not recorded. 120 */ 121 VALIDATE(exif_tag_get_support_level_in_ifd(EXIF_TAG_DOCUMENT_NAME, 122 EXIF_IFD_0, EXIF_DATA_TYPE_UNKNOWN) == 123 EXIF_SUPPORT_LEVEL_UNKNOWN) 124 125 VALIDATE(exif_tag_get_support_level_in_ifd(EXIF_TAG_DOCUMENT_NAME, 126 EXIF_IFD_1, EXIF_DATA_TYPE_UNCOMPRESSED_CHUNKY) == 127 EXIF_SUPPORT_LEVEL_UNKNOWN) 128 129 130 /* 131 * The tag number for EXIF_TAG_INTEROPERABILITY_INDEX (1) exists in both 132 * IFD Interoperability and IFD GPS (as EXIF_TAG_GPS_LATITUDE_REF) so 133 * there are two entries in the table. 134 */ 135 VALIDATE(exif_tag_get_support_level_in_ifd(EXIF_TAG_INTEROPERABILITY_INDEX, 136 EXIF_IFD_INTEROPERABILITY, EXIF_DATA_TYPE_COMPRESSED) == 137 EXIF_SUPPORT_LEVEL_OPTIONAL) 138 139 VALIDATE(exif_tag_get_support_level_in_ifd(EXIF_TAG_INTEROPERABILITY_INDEX, 140 EXIF_IFD_INTEROPERABILITY, EXIF_DATA_TYPE_UNKNOWN) == 141 EXIF_SUPPORT_LEVEL_OPTIONAL) 142 143 VALIDATE(exif_tag_get_support_level_in_ifd(EXIF_TAG_INTEROPERABILITY_INDEX, 144 EXIF_IFD_0, EXIF_DATA_TYPE_COMPRESSED) == 145 EXIF_SUPPORT_LEVEL_NOT_RECORDED) 146 147 VALIDATE(exif_tag_get_support_level_in_ifd(EXIF_TAG_INTEROPERABILITY_INDEX, 148 EXIF_IFD_0, EXIF_DATA_TYPE_UNKNOWN) == 149 EXIF_SUPPORT_LEVEL_UNKNOWN) 150 151 VALIDATE(exif_tag_get_support_level_in_ifd(EXIF_TAG_GPS_LATITUDE_REF, 152 EXIF_IFD_GPS, EXIF_DATA_TYPE_COMPRESSED) == 153 EXIF_SUPPORT_LEVEL_OPTIONAL) 154 155 VALIDATE(exif_tag_get_support_level_in_ifd(EXIF_TAG_GPS_LATITUDE_REF, 156 EXIF_IFD_GPS, EXIF_DATA_TYPE_UNKNOWN) == 157 EXIF_SUPPORT_LEVEL_OPTIONAL) 158 159 /* The result of an unknown IFD should always be unknown */ 160 VALIDATE(exif_tag_get_support_level_in_ifd(EXIF_TAG_EXIF_VERSION, 161 EXIF_IFD_COUNT, EXIF_DATA_TYPE_UNKNOWN) == 162 EXIF_SUPPORT_LEVEL_UNKNOWN) 163 164 VALIDATE(exif_tag_get_support_level_in_ifd(EXIF_TAG_EXIF_VERSION, 165 EXIF_IFD_COUNT, EXIF_DATA_TYPE_COMPRESSED) == 166 EXIF_SUPPORT_LEVEL_UNKNOWN) 167 168 return fail; 169 } 170 171 /* Test exif_tag_get_name_in_ifd */ 172 static int name(void) 173 { 174 int fail = 0; 175 176 /* 177 * The tag EXIF_TAG_GPS_VERSION_ID has value 0 which should NOT be 178 * treated specially 179 */ 180 VALIDATE(!strcmp(exif_tag_get_name_in_ifd( 181 EXIF_TAG_GPS_VERSION_ID, EXIF_IFD_GPS), 182 "GPSVersionID")) 183 184 VALIDATE(exif_tag_get_name_in_ifd( 185 EXIF_TAG_GPS_VERSION_ID, EXIF_IFD_0) == NULL) 186 187 /* 188 * The tag number for EXIF_TAG_INTEROPERABILITY_INDEX (1) exists in both 189 * IFD Interoperability and IFD GPS (as EXIF_TAG_GPS_LATITUDE_REF) so 190 * there are two entries in the table. 191 */ 192 VALIDATE(!strcmp(exif_tag_get_name_in_ifd( 193 EXIF_TAG_INTEROPERABILITY_INDEX, EXIF_IFD_INTEROPERABILITY), 194 "InteroperabilityIndex")) 195 196 VALIDATE(!strcmp(exif_tag_get_name_in_ifd( 197 EXIF_TAG_GPS_LATITUDE_REF, EXIF_IFD_GPS), 198 "GPSLatitudeRef")) 199 200 /* Tag that doesn't appear in an IFD produces a NULL */ 201 VALIDATE(exif_tag_get_name_in_ifd( 202 EXIF_TAG_EXIF_VERSION, EXIF_IFD_0) == NULL) 203 204 /* Invalid IFD produces a NULL */ 205 VALIDATE(exif_tag_get_name_in_ifd( 206 EXIF_TAG_EXIF_VERSION, EXIF_IFD_COUNT) == NULL) 207 208 return fail; 209 } 210 211 int 212 main () 213 { 214 int fail = 0; 215 216 TESTBLOCK(support_level()) 217 TESTBLOCK(name()) 218 219 return fail; 220 } 221
