1/* test-tagtable.c
2 *
3 * Test various functions that involve the tag table.
4 *
5 * Copyright (c) 2009 Dan Fandrich <dan@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 */
34static 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  */
172static 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
211int
212main ()
213{
214    int fail = 0;
215
216    TESTBLOCK(support_level())
217    TESTBLOCK(name())
218
219    return fail;
220}
221