summaryrefslogtreecommitdiffstats
path: root/test/unregister.c
blob: 48b29c84fffb07f84227d7ebf564ca0b6fff42a7 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 * Copyright by The HDF Group.                                               *
 * All rights reserved.                                                      *
 *                                                                           *
 * This file is part of HDF5. The full HDF5 copyright notice, including      *
 * terms governing use, modification, and redistribution, is contained in    *
 * the COPYING file, which can be found at the root of the source code       *
 * distribution tree, or in https://www.hdfgroup.org/licenses.               *
 * If you do not have access to either file, you may request a copy from     *
 * help@hdfgroup.org.                                                        *
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*
 * Programmer:	Raymond Lu
 *              24 April 2013
 *
 * Purpose:	Tests H5Zunregister function
 */
#include "h5test.h"

#include "H5CXprivate.h" /* API Contexts                         */

const char *FILENAME[] = {"unregister_filter_1", "unregister_filter_2", NULL};

#define GROUP_NAME        "test_group"
#define DSET_NAME         "test_dataset"
#define FILENAME_BUF_SIZE 1024
#define DSET_DIM1         100
#define DSET_DIM2         200
#define FILTER_CHUNK_DIM1 2
#define FILTER_CHUNK_DIM2 25
#define GROUP_ITERATION   1000

#define H5Z_FILTER_DUMMY 312

static size_t do_nothing(unsigned int flags, size_t cd_nelmts, const unsigned int *cd_values, size_t nbytes,
                         size_t *buf_size, void **buf);

/* Dummy filter for test_unregister_filters only */
const H5Z_class2_t H5Z_DUMMY[1] = {{
    H5Z_CLASS_T_VERS, /* H5Z_class_t version              */
    H5Z_FILTER_DUMMY, /* Filter ID number                 */
    1, 1,             /* Encoding and decoding enabled    */
    "dummy",          /* Filter name for debugging        */
    NULL,             /* The "can apply" callback         */
    NULL,             /* The "set local" callback         */
    do_nothing,       /* The actual filter function       */
}};

/*-------------------------------------------------------------------------
 * Function:    do_nothing
 *
 * Purpose:     A dummy compression method that doesn't do anything. This
 *              filter is only for test_unregister_filters. Please don't
 *              use it for other tests because it may mess up this test.
 *
 * Return:      Data chunk size
 *
 *-------------------------------------------------------------------------
 */
static size_t
do_nothing(unsigned int H5_ATTR_UNUSED flags, size_t H5_ATTR_UNUSED cd_nelmts,
           const unsigned int H5_ATTR_UNUSED *cd_values, size_t nbytes, size_t H5_ATTR_UNUSED *buf_size,
           void H5_ATTR_UNUSED **buf)
{
    return nbytes;
}

/*-------------------------------------------------------------------------
 * Function:    test_unregister_filters
 *
 * Purpose:     Tests unregistering filter before closing the file
 *
 * Return:      SUCCEED/FAIL
 *
 *-------------------------------------------------------------------------
 */
static herr_t
test_unregister_filters(hid_t fapl_id)
{
    hid_t         fid1     = H5I_INVALID_HID;
    hid_t         fid2     = H5I_INVALID_HID;
    hid_t         dcpl_id  = H5I_INVALID_HID;
    hid_t         gcpl_id  = H5I_INVALID_HID;
    hid_t         gid      = H5I_INVALID_HID;
    hid_t         gid_loop = H5I_INVALID_HID;
    hid_t         did      = H5I_INVALID_HID;
    hid_t         sid      = H5I_INVALID_HID;
    int           i, j, n;
    char          group_name[32];
    char          filename[FILENAME_BUF_SIZE];
    const hsize_t chunk_dims[2] = {FILTER_CHUNK_DIM1, FILTER_CHUNK_DIM2}; /* Chunk dimensions */
    hsize_t       dims[2];
    int **        buf      = NULL;
    int *         buf_data = NULL;
    herr_t        ret;

    TESTING("Unregistering filter");

    /* Set up data array */
    if (NULL == (buf_data = (int *)HDcalloc(DSET_DIM1 * DSET_DIM2, sizeof(int))))
        TEST_ERROR;
    if (NULL == (buf = (int **)HDcalloc(DSET_DIM1, sizeof(buf_data))))
        TEST_ERROR;
    for (i = 0; i < DSET_DIM1; i++)
        buf[i] = buf_data + (i * DSET_DIM2);

    /* Create first file */
    h5_fixname(FILENAME[0], fapl_id, filename, sizeof(filename));
    if ((fid1 = H5Fcreate(filename, H5F_ACC_TRUNC, H5P_DEFAULT, fapl_id)) < 0)
        goto error;

    /* Create second file */
    h5_fixname(FILENAME[1], fapl_id, filename, sizeof(filename));
    if ((fid2 = H5Fcreate(filename, H5F_ACC_TRUNC, H5P_DEFAULT, fapl_id)) < 0)
        goto error;

    /* Register DUMMY filter */
    if (H5Zregister(H5Z_DUMMY) < 0)
        goto error;
    if (H5Zfilter_avail(H5Z_FILTER_DUMMY) != TRUE)
        goto error;

    /*******************
     * PART 1 - GROUPS *
     *******************/

    /* Use DUMMY filter for creating groups */
    if ((gcpl_id = H5Pcreate(H5P_GROUP_CREATE)) < 0)
        goto error;
    if (H5Pset_filter(gcpl_id, H5Z_FILTER_DUMMY, H5Z_FLAG_MANDATORY, (size_t)0, NULL) < 0)
        goto error;

    /* Create a group using this filter */
    if ((gid = H5Gcreate2(fid1, GROUP_NAME, H5P_DEFAULT, gcpl_id, H5P_DEFAULT)) < 0)
        goto error;

    /* Create multiple groups under the main group */
    for (i = 0; i < GROUP_ITERATION; i++) {
        HDsprintf(group_name, "group_%d", i);
        if ((gid_loop = H5Gcreate2(gid, group_name, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT)) < 0)
            goto error;
        if (H5Gclose(gid_loop) < 0)
            goto error;
    }

    /* Flush the file containing the groups */
    if (H5Fflush(fid1, H5F_SCOPE_GLOBAL) < 0)
        goto error;

    /* Unregister the filter before closing the group.  It should fail */
    H5E_BEGIN_TRY { ret = H5Zunregister(H5Z_FILTER_DUMMY); }
    H5E_END_TRY;
    if (ret >= 0) {
        H5_FAILED();
        HDprintf("    Line %d: Should not be able to unregister filter\n", __LINE__);
        goto error;
    }

    /* Close the group */
    if (H5Gclose(gid) < 0)
        goto error;

    /* Clean up objects used for this test */
    if (H5Pclose(gcpl_id) < 0)
        goto error;

    /*********************
     * PART 2 - DATASETS *
     *********************/

    /* Use DUMMY filter for creating datasets */
    if ((dcpl_id = H5Pcreate(H5P_DATASET_CREATE)) < 0)
        goto error;
    if (H5Pset_chunk(dcpl_id, 2, chunk_dims) < 0)
        goto error;
    if (H5Pset_filter(dcpl_id, H5Z_FILTER_DUMMY, 0, (size_t)0, NULL) < 0)
        goto error;

    /* Initialize the data for writing */
    for (i = n = 0; i < DSET_DIM1; i++)
        for (j = 0; j < DSET_DIM2; j++)
            buf[i][j] = n++;

    /* Create the dataspace */
    dims[0] = DSET_DIM1;
    dims[1] = DSET_DIM2;
    if ((sid = H5Screate_simple(2, dims, NULL)) < 0)
        goto error;

    /* Create a dataset in the first file */
    if ((did = H5Dcreate2(fid1, DSET_NAME, H5T_NATIVE_INT, sid, H5P_DEFAULT, dcpl_id, H5P_DEFAULT)) < 0)
        goto error;

    /* Write the data to the dataset */
    if (H5Dwrite(did, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, buf_data) < 0)
        goto error;

    /* Unregister the filter before closing the dataset.  It should fail */
    H5E_BEGIN_TRY { ret = H5Zunregister(H5Z_FILTER_DUMMY); }
    H5E_END_TRY;
    if (ret >= 0) {
        H5_FAILED();
        HDprintf("    Line %d: Should not be able to unregister filter\n", __LINE__);
        goto error;
    }

    /* Close the dataset */
    if (H5Dclose(did) < 0)
        goto error;

    /* Create a dataset in the second file */
    if ((did = H5Dcreate2(fid2, DSET_NAME, H5T_NATIVE_INT, sid, H5P_DEFAULT, dcpl_id, H5P_DEFAULT)) < 0)
        goto error;

    /* Write the data to the dataset */
    if (H5Dwrite(did, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, buf_data) < 0)
        goto error;

    /* Close the dataset in the second file */
    if (H5Dclose(did) < 0)
        goto error;

    /* Unregister the filter after closing all objects but before closing files.
     * It should flush all files.
     */
    if (H5Zunregister(H5Z_FILTER_DUMMY) < 0)
        goto error;

    /* Clean up objects used for this test */
    if (H5Pclose(dcpl_id) < 0)
        goto error;
    if (H5Fclose(fid1) < 0)
        goto error;
    if (H5Fclose(fid2) < 0)
        goto error;

    HDfree(buf);
    HDfree(buf_data);

    PASSED();
    return SUCCEED;

error:
    H5E_BEGIN_TRY
    {
        H5Fclose(fid1);
        H5Fclose(fid2);
        H5Pclose(dcpl_id);
        H5Pclose(gcpl_id);
        H5Gclose(gid);
        H5Gclose(gid_loop);
        H5Dclose(did);
        H5Sclose(sid);
    }
    H5E_END_TRY;

    HDfree(buf);
    HDfree(buf_data);

    return FAIL;
}

/*-------------------------------------------------------------------------
 * Function:    main
 *
 * Purpose:     Tests unregistering filter with H5Zunregister
 *
 * Return:      EXIT_SUCCESS/EXIT_FAILURE
 *
 *-------------------------------------------------------------------------
 */
int
main(void)
{
    hid_t   fapl_id        = H5I_INVALID_HID;
    int     nerrors        = 0;
    hbool_t api_ctx_pushed = FALSE; /* Whether API context pushed */

    /* Testing setup */
    h5_reset();
    fapl_id = h5_fileaccess();

    /* Push API context */
    if (H5CX_push() < 0)
        FAIL_STACK_ERROR
    api_ctx_pushed = TRUE;

    /* Test unregistering filter in its own file */
    nerrors += (test_unregister_filters(fapl_id) < 0 ? 1 : 0);

    h5_cleanup(FILENAME, fapl_id);

    if (nerrors)
        goto error;
    HDprintf("All filter unregistration tests passed.\n");

    /* Pop API context */
    if (api_ctx_pushed && H5CX_pop(FALSE) < 0)
        FAIL_STACK_ERROR
    api_ctx_pushed = FALSE;

    HDexit(EXIT_SUCCESS);

error:
    nerrors = MAX(1, nerrors);
    HDprintf("***** %d FILTER UNREGISTRATION TEST%s FAILED! *****\n", nerrors, 1 == nerrors ? "" : "S");

    if (api_ctx_pushed)
        H5CX_pop(FALSE);

    HDexit(EXIT_FAILURE);
} /* end main() */