summaryrefslogtreecommitdiffstats
path: root/c++/test/titerate.cpp
blob: d69e8d2aac8b3465041b33b95d6821706a3f9aea (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
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 * Copyright by The HDF Group.                                               *
 * Copyright by the Board of Trustees of the University of Illinois.         *
 * 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://support.hdfgroup.org/ftp/HDF5/releases.  *
 * If you do not have access to either file, you may request a copy from     *
 * help@hdfgroup.org.                                                        *
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

/*****************************************************************************
    FILE
        titerate.cpp - HDF5 C++ testing iterate related functionality

 ***************************************************************************/
#ifdef OLD_HEADER_FILENAME
#include <iostream.h>
#else
#include <iostream>
#endif
using std::cerr;
using std::endl;

#include <string>
#include "H5Cpp.h"      // C++ API header file
using namespace H5;

#include "h5test.h"
#include "h5cpputil.h"  // C++ utilility header file

/* Number of datasets for group iteration test */
#define NDATASETS 50

/* Number of attributes for attribute iteration test */
//#define NATTR 50

/* Number of groups for second group iteration test */
//#define ITER_NGROUPS 150

/* General maximum length of names used */
#define NAMELEN     80

/* 1-D dataset with fixed dimensions */
//#define SPACE1_RANK     1
//#define SPACE1_DIM1     4

const H5std_string        FILE_ITERATE("titerate.h5");
const H5std_string        GROUP1("Top Group");
const H5std_string        GROUP1_PATH("/Top Group");
const H5std_string        GROUP1_1("Sub-Group 1.1");
const H5std_string        GROUP1_1_PATH("/Top Group/Sub-Group 1.1");
const H5std_string        GROUP1_2("Sub-Group 1.2");
const H5std_string        GROUP1_2_PATH("/Top Group/Sub-Group 1.2");
const H5std_string        DSET_DEFAULT_NAME("default");
const H5std_string        DSET_IN_FILE("Dataset in File");
const H5std_string        DSET_IN_FILE_PATH("/Dataset in File");
const H5std_string        DSET_IN_GRP1("Dataset in Group 1");
const H5std_string        DSET_IN_GRP1_PATH("/Top Group/Dataset in Group 1");
const H5std_string        DSET_IN_GRP1_2("Dataset in Group 1.2");
const H5std_string        DSET_IN_GRP1_2_PATH("/Top Group/Sub-Group 1.2/Dataset in Group 1.2");

typedef enum {
    RET_ZERO,
    RET_TWO,
    RET_CHANGE,
    RET_CHANGE2
} iter_enum;

/* Custom group iteration callback data */
typedef struct {
    char name[NAMELEN];     /* The name of the object */
    H5O_type_t type;        /* The type of the object */
    iter_enum command;      /* The type of return value */
} iter_info;

int iter_strcmp(const void *s1, const void *s2);


/*-------------------------------------------------------------------------
 * Function:    iter_strcmp
 *
 * Purpose      String comparison routine for qsort
 *-------------------------------------------------------------------------
 */
int iter_strcmp(const void *s1, const void *s2)
{
    return(HDstrcmp(*(const char * const *)s1,*(const char * const *)s2));
}

/*-------------------------------------------------------------------------
 * Function:    liter_cb
 *
 * Purpose      Custom link iteration callback routine
 *-------------------------------------------------------------------------
 */
static herr_t liter_cb(hid_t H5_ATTR_UNUSED group, const char *name, const H5L_info2_t H5_ATTR_UNUSED *link_info, void *op_data)
{
    iter_info *info = (iter_info *)op_data;
    static int count = 0;
    static int count2 = 0;

    HDstrcpy(info->name, name);

    switch(info->command) {
        case RET_ZERO:
            return(0);

        case RET_TWO:
            return(2);

        case RET_CHANGE:
            count++;
            return(count > 10 ? 1 : 0);

        case RET_CHANGE2:
            count2++;
            return(count2 > 10 ? 1 : 0);

        default:
            printf("invalid iteration command");
            return(-1);
    } /* end switch */
} /* end liter_cb() */


/*-------------------------------------------------------------------------
 * Function:    test_iter_group
 *
 * Purpose      Tests group iteration
 *
 * Return       Success: 0
 *              Failure: -1
 *
 * Programmer   Binh-Minh Ribler
 *              Friday, September 9, 2016
 *-------------------------------------------------------------------------
 */
static void test_iter_group(FileAccPropList& fapl)
{
    int i;                  /* counting variable */
    hsize_t idx;            /* Index in the group */
    char name[NAMELEN];     /* temporary name buffer */
    char *lnames[NDATASETS + 2];/* Names of the links created */
    iter_info info;         /* Custom iteration information */
    herr_t ret;             /* Generic return value */

    /* Output message about test being performed */
    SUBTEST("Group Iteration");

    /* Create the test file with the datasets */
    try {
        // Create file
        H5File file(FILE_ITERATE, H5F_ACC_TRUNC, FileCreatPropList::DEFAULT, fapl);

        /* Test iterating over empty group */
        info.command = RET_ZERO;
        idx = 0;
        ret = H5Literate2(file.getId(), H5_INDEX_NAME, H5_ITER_INC, &idx, liter_cb, &info);
        verify_val(ret, SUCCEED, "H5Literate", __LINE__, __FILE__);

        DataType datatype(PredType::NATIVE_INT);

        // Create a scalar file space
        DataSpace filespace;

        for (i=0; i< NDATASETS; i++)
        {
        sprintf(name, "Dataset %d", i);

        // Create a dataset in the file
        DataSet dataset = file.createDataSet(name, datatype, filespace);

        /* Keep a copy of the dataset names */
        lnames[i] = HDstrdup(name);
        check_values(lnames[i], "HDstrdup returns NULL", __LINE__, __FILE__);

        } /* end for */

        /* Create a group and named datatype under root group for testing */
        Group grp(file.createGroup(GROUP1, 0));
        lnames[NDATASETS] = HDstrdup("grp");
        check_values(lnames[NDATASETS], "HDstrdup returns NULL", __LINE__, __FILE__);

        datatype.commit(file, "dtype");
        lnames[NDATASETS + 1] = HDstrdup("dtype");
        check_values(lnames[NDATASETS], "HDstrdup returns NULL", __LINE__, __FILE__);

        /* Sort the dataset names */
        HDqsort(lnames, (size_t)(NDATASETS + 2), sizeof(char *), iter_strcmp);


        /* Iterate through the datasets in the root group in various ways */

        // Open data file to read
        file.openFile(FILE_ITERATE, H5F_ACC_RDONLY, fapl);

        // Open the root group
        Group root_group(file.openGroup("/"));

        // Get the number of object in the root group
        hsize_t nobjs = root_group.getNumObjs();
        verify_val(nobjs, (hsize_t)(NDATASETS + 2), "H5Gget_info", __LINE__, __FILE__);

        H5std_string obj_name;
        for (i = 0; i < nobjs; i++)
        {
            //H5O_info2_t oinfo;                /* Object info */

            obj_name = root_group.getObjnameByIdx(i);
        //ret = (herr_t)H5Lget_name_by_idx(root_group, ".", H5_INDEX_NAME, H5_ITER_INC, (hsize_t)i, dataset_name, (size_t)NAMELEN, H5P_DEFAULT);

        //oinfo = root_group.childObjType((hsize_t)i, H5_INDEX_NAME, H5_ITER_INC,  ".");
        //ret = H5Oget_info_by_idx(root_group, ".", H5_INDEX_NAME, H5_ITER_INC, (hsize_t)i, &oinfo, H5P_DEFAULT);
        } /* end for */

        // Attempted to iterate with invalid index, should fail
        try {
            obj_name = root_group.getObjnameByIdx(NDATASETS + 3);

            // Should FAIL but didn't, so throw an invalid action exception
            throw InvalidActionException("Group::getObjnameByIdx", "Attempt to iterate with invalid index");
        }
        catch (GroupIException& invalid_action) // invalid index
        {} // do nothing, exception expected

        // Attempted to iterate with negative index, should fail
        try {
            info.command = RET_ZERO;
            idx = (hsize_t)-1;
            obj_name = root_group.getObjnameByIdx(idx);

            // Should FAIL but didn't, so throw an invalid action exception
            throw InvalidActionException("Group::getObjnameByIdx", "Attempt to iterate with negative index");
        }
        catch (FileIException& invalid_action) // invalid index
        {} // do nothing, exception expected
        catch (GroupIException& invalid_action) // invalid index
        {} // do nothing, exception expected

        /* Test skipping exactly as many entries as in the group */
        try {
            info.command = RET_ZERO;
            idx = NDATASETS + 2;
            obj_name = root_group.getObjnameByIdx(idx);

            // Should FAIL but didn't, so throw an invalid action exception
            throw InvalidActionException("Group::getObjnameByIdx", "Attempt to iterate with negative index");
        }
        catch (FileIException& invalid_action) // invalid index
        {} // do nothing, exception expected
        catch (GroupIException& invalid_action) // invalid index
        {} // do nothing, exception expected

        /* Test skipping more entries than are in the group */
        try {
            info.command = RET_ZERO;
            idx = NDATASETS + 3;
            obj_name = root_group.getObjnameByIdx(idx);

            // Should FAIL but didn't, so throw an invalid action exception
            throw InvalidActionException("Group::getObjnameByIdx", "Attempt to iterate with negative index");
        }
        catch (FileIException& invalid_action) // invalid index
        {} // do nothing, exception expected
        catch (GroupIException& invalid_action) // invalid index
        {} // do nothing, exception expected

        /* Free the dataset names */
        for(i = 0; i< (NDATASETS + 2); i++)
            HDfree(lnames[i]);

        // Everything will be closed as they go out of scope

        PASSED();
    }        // try block

    // catch all other exceptions
    catch (Exception& E)
    {
        issue_fail_msg("test_iter_group", __LINE__, __FILE__);
    }

#if 0
    /* Test all objects in group, when callback always returns 0 */
    info.command = RET_ZERO;
    idx = 0;
    if((ret = H5Literate2(file, H5_INDEX_NAME, H5_ITER_INC, &idx, liter_cb, &info)) > 0)
        TestErrPrintf("Group iteration function didn't return zero correctly!\n");

    /* Test all objects in group, when callback always returns 1 */
    /* This also tests the "restarting" ability, because the index changes */
    info.command = RET_TWO;
    i = 0;
    idx = 0;
    while((ret = H5Literate2(file, H5_INDEX_NAME, H5_ITER_INC, &idx, liter_cb, &info)) > 0) {
        /* Verify return value from iterator gets propagated correctly */
        verify_val(ret, 2, "H5Literate", __LINE__, __FILE__);

        /* Increment the number of times "2" is returned */
        i++;

        /* Verify that the index is the correct value */
        verify_val(idx, (hsize_t)i, "H5Literate", __LINE__, __FILE__);
        if(idx > (NDATASETS + 2))
            TestErrPrintf("Group iteration function walked too far!\n");

        /* Verify that the correct name is retrieved */
        if(HDstrcmp(info.name, lnames[(size_t)(idx - 1)]) != 0)
            TestErrPrintf("Group iteration function didn't return name correctly for link - lnames[%u] = '%s'!\n", (unsigned)(idx - 1), lnames[(size_t)(idx - 1)]);
    } /* end while */
    verify_val(ret, -1, "H5Literate", __LINE__, __FILE__);

    if(i != (NDATASETS + 2))
        TestErrPrintf("%u: Group iteration function didn't perform multiple iterations correctly!\n", __LINE__);

    /* Test all objects in group, when callback changes return value */
    /* This also tests the "restarting" ability, because the index changes */
    info.command = new_format ? RET_CHANGE2 : RET_CHANGE;
    i = 0;
    idx = 0;
    while((ret = H5Literate2(file, H5_INDEX_NAME, H5_ITER_INC, &idx, liter_cb, &info)) >= 0) {
        /* Verify return value from iterator gets propagated correctly */
        verify_val(ret, 1, "H5Literate", __LINE__, __FILE__);

        /* Increment the number of times "1" is returned */
        i++;

        /* Verify that the index is the correct value */
        verify_val(idx, (hsize_t)(i + 10), "H5Literate", __LINE__, __FILE__);
        if(idx > (NDATASETS + 2))
            TestErrPrintf("Group iteration function walked too far!\n");

        /* Verify that the correct name is retrieved */
        if(HDstrcmp(info.name, lnames[(size_t)(idx - 1)]) != 0)
            TestErrPrintf("Group iteration function didn't return name correctly for link - lnames[%u] = '%s'!\n", (unsigned)(idx - 1), lnames[(size_t)(idx - 1)]);
    } /* end while */
    verify_val(ret, -1, "H5Literate", __LINE__, __FILE__);

    if(i != 42 || idx != 52)
        TestErrPrintf("%u: Group iteration function didn't perform multiple iterations correctly!\n", __LINE__);

    ret = H5Fclose(file);
    CHECK(ret, FAIL, "H5Fclose");

#endif
} /* test_iter_group() */


/*-------------------------------------------------------------------------
 * Function:    printelems
 *
 * Purpose      Open an attribute and verify that it has a the correct name
 *-------------------------------------------------------------------------
 */
const H5std_string FILE_NAME("titerate.h5");
const H5std_string GRP_NAME("/Group_A");
const H5std_string FDATASET_NAME("file dset");
const H5std_string GDATASET_NAME("group dset");
const H5std_string ATTR_NAME("Units");
const H5std_string FATTR_NAME("F attr");
const H5std_string GATTR_NAME("G attr");
const int DIM1 = 2;
void printelems(const Group& group, const H5std_string& dsname, const H5std_string& atname)
{
    try
    {
        DataSet d1(group.openDataSet(dsname));
        DataSpace s1 = d1.getSpace();
        s1.close();
        d1.close();

        unsigned idx = 0;
        Attribute a1(group.openAttribute(idx));
        H5std_string aname = a1.getName();
        verify_val(aname, atname, "printelems", __LINE__, __FILE__);

        a1.close();
  }
    // Catch all exceptions and rethrow so caller can handle
    catch (Exception& E)
    {
        throw;
    }
}


/*-------------------------------------------------------------------------
 * Function:    test_HDFFV_9920
 *
 * Purpose      Tests the fix for HDFFV-9920
 *
 * Programmer   Binh-Minh Ribler
 *              Friday, September 9, 2016
 *-------------------------------------------------------------------------
 */
static void test_HDFFV_9920()
{
    int attr_data[2] = { 100, 200};
    hsize_t dims[1] = { DIM1 };

    try
    {
        // Create a new file and a group in it
        H5File file( FILE_NAME, H5F_ACC_TRUNC );

        Group gr1(file.createGroup(GRP_NAME));

        // Create the data space for the attribute.
        DataSpace dspace = DataSpace (1, dims );

        DataSet fds = file.createDataSet(FDATASET_NAME, PredType::STD_I32BE, dspace);
        DataSet gds = gr1.createDataSet(GDATASET_NAME, PredType::STD_I32BE, dspace);

        // Create a file attribute and a group attribute.
        Attribute fa1 = file.createAttribute(FATTR_NAME, PredType::STD_I32BE,
                                                  dspace);
        Attribute ga1 = gr1.createAttribute(GATTR_NAME, PredType::STD_I32BE,
                                                  dspace);

        // Write the attribute data.
        fa1.write( PredType::NATIVE_INT, attr_data);
        ga1.write( PredType::NATIVE_INT, attr_data);

        fa1.close();
        ga1.close();
        fds.close();
        gds.close();

        // Verify the attributes have correct names.
        printelems(file, FDATASET_NAME, FATTR_NAME);
        printelems(gr1, GDATASET_NAME, GATTR_NAME);

    }  // end of try block

    // Catch all failures for handling in the same way
    catch (Exception& E)
    {
        issue_fail_msg("test_HDFFV_9920()", __LINE__, __FILE__, E.getCDetailMsg());
    }
}


/*-------------------------------------------------------------------------
 * Function:    test_iterate
 *
 * Purpose      Tests iterate functionality
 *
 * Return       Success: 0
 *              Failure: -1
 *
 * Programmer   Binh-Minh Ribler
 *              Tuesday, September 6, 2016
 *-------------------------------------------------------------------------
 */
extern "C"
void test_iterate()
{
    // Output message about test being performed
    MESSAGE(5, ("Testing Iterate Feature\n"));

    // Create access property with latest library version.
    FileAccPropList fapl;
    fapl.setLibverBounds(H5F_LIBVER_LATEST, H5F_LIBVER_LATEST);

    test_iter_group(fapl);    // Test iterating groups
    test_HDFFV_9920();        // Test the fix of HDFFV-9920
    //test_iter_attr(fapl);    // Test iterating attributes

}    // test_iterate


/*-------------------------------------------------------------------------
 * Function:    cleanup_iterate
 *
 * Purpose      Cleanup temporary test files
 *
 * Return       none
 *-------------------------------------------------------------------------
 */
extern "C"
void cleanup_iterate()
{
    HDremove(FILE_ITERATE.c_str());
} // cleanup_iterate