summaryrefslogtreecommitdiffstats
path: root/c++/test/dsets.cpp
blob: 14f1bd4fde074031fba594c4c0b5c1a04785a94f (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
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 * 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
   dsets.cpp - HDF5 C++ testing the functionalities associated with the
               C dataset interface (H5D)

   EXTERNAL ROUTINES/VARIABLES:
     These routines are in the test directory of the C library:
        h5_reset() -- in h5test.c, resets the library by closing it
        h5_fileaccess() -- in h5test.c, returns a file access template

 ***************************************************************************/

#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

const H5std_string    FILE1("dataset.h5");
const H5std_string    DSET_DEFAULT_NAME("default");
const H5std_string    DSET_DEFAULT_NAME_PATH("/default");
const H5std_string    DSET_CHUNKED_NAME("chunked");
const H5std_string    DSET_SIMPLE_IO_NAME("simple_io");
const H5std_string    DSET_TCONV_NAME("tconv");
const H5std_string    DSET_COMPRESS_NAME("compressed");
const H5std_string    DSET_BOGUS_NAME("bogus");

/* Temporary filter IDs used for testing */
const int H5Z_FILTER_BOGUS = 305;

static size_t filter_bogus(unsigned int flags, size_t cd_nelmts,
    const unsigned int *cd_values, size_t nbytes, size_t *buf_size, void **buf);
// H5_ATTR_UNUSED variables caused warning, but taking them out caused failure.


/*-------------------------------------------------------------------------
 * Function:    test_create
 *
 * Purpose      Attempts to create a dataset.
 *
 * Return       Success: 0
 *
 *              Failure: -1
 *
 * Programmer   Binh-Minh Ribler (using C version)
 *              Friday, January 5, 2001
 *-------------------------------------------------------------------------
 */
static herr_t test_create( H5File& file)
{
    SUBTEST("Create, open, close");

    // Setting this to NULL for cleaning up in failure situations
    DataSet *dataset = NULL;
    try {
        // Create a data space
        hsize_t     dims[2];
        dims[0] = 256;
        dims[1] = 512;
        DataSpace space (2, dims, NULL);

        // Create a dataset using the default dataset creation properties.
        // We're not sure what they are, so we won't check.
        dataset = new DataSet (file.createDataSet
                (DSET_DEFAULT_NAME, PredType::NATIVE_DOUBLE, space));


        // Add a comment to the dataset
        file.setComment (DSET_DEFAULT_NAME, "This is a dataset");

        // Close the dataset
        delete dataset;
        dataset = NULL;

        // Try creating a dataset that already exists.  This should fail since a
        // dataset can only be created once.  If an exception is not thrown for
        // this action by createDataSet, then throw an invalid action exception.
        try {
            dataset = new DataSet (file.createDataSet
                          (DSET_DEFAULT_NAME, PredType::NATIVE_DOUBLE, space));

            // continuation here, that means no exception has been thrown
            throw InvalidActionException("H5File::createDataSet", "Library allowed overwrite of existing dataset");
        }
        catch (FileIException& E)        // catching invalid creating dataset
        {} // do nothing, exception expected

        // Open the dataset we created above and then close it.  This is one
        // way to open an existing dataset for accessing.
        dataset = new DataSet (file.openDataSet (DSET_DEFAULT_NAME));

        // Get and verify the name of this dataset, using
        // H5std_string getObjName()
        H5std_string ds_name = dataset->getObjName();
        verify_val(ds_name, DSET_DEFAULT_NAME_PATH, "DataSet::getObjName", __LINE__, __FILE__);

        // Get and verify the comment from this dataset, using
        // H5std_string getComment(const H5std_string& name, <buf_size=0, by default>)
        H5std_string comment = file.getComment(DSET_DEFAULT_NAME);
        verify_val(comment, "This is a dataset", "DataSet::getComment", __LINE__, __FILE__);

        // Close the dataset when accessing is completed
        delete dataset;

        // This is another way to open an existing dataset for accessing.
        DataSet another_dataset(file.openDataSet (DSET_DEFAULT_NAME));

        // Try opening a non-existent dataset.  This should fail so if an
        // exception is not thrown for this action by openDataSet, then
        // display failure information and throw an exception.
        try {
            dataset = new DataSet (file.openDataSet( "does_not_exist" ));

            // continuation here, that means no exception has been thrown
            throw InvalidActionException("H5File::openDataSet", "Attempted to open a non-existent dataset");
        }
        catch (FileIException& E ) // catching creating non-existent dataset
        {} // do nothing, exception expected

        // Create a new dataset that uses chunked storage instead of the default
        // layout.
        DSetCreatPropList create_parms;
        hsize_t     csize[2];
        csize[0] = 5;
        csize[1] = 100;
        create_parms.setChunk( 2, csize );

        dataset = new DataSet (file.createDataSet(DSET_CHUNKED_NAME,
                               PredType::NATIVE_DOUBLE, space, create_parms));
        // Note: this one has no error message in C when failure occurs?

        // clean up and return with success
        delete dataset;

        PASSED();
        return 0;
    }        // outer most try block

    catch (InvalidActionException& E)
    {
        cerr << " FAILED" << endl;
        cerr << "    <<<  " << E.getDetailMsg() << "  >>>" << endl << endl;

        // clean up and return with failure
        if (dataset != NULL)
            delete dataset;
        return -1;
    }
    // catch all other exceptions
    catch (Exception& E)
    {
        issue_fail_msg("test_create", __LINE__, __FILE__);

        // clean up and return with failure
        if (dataset != NULL)
            delete dataset;
        return -1;
    }
}   // test_create


/*-------------------------------------------------------------------------
 * Function:    test_simple_io
 *
 * Purpose      Tests simple I/O.  That is, reading and writing a complete
 *              multi-dimensional array without data type or data space
 *              conversions, without compression, and stored contiguously.
 *
 * Return       Success: 0
 *
 *              Failure: -1
 *
 * Programmer   Binh-Minh Ribler (using C version)
 *              Friday, January 5, 2001
 *-------------------------------------------------------------------------
 */
static herr_t test_simple_io( H5File& file)
{

    SUBTEST("Simple I/O");

    int        points[100][200];
    int        check[100][200];
    int i, j, n;

    // Initialize the dataset
    for (i = n = 0; i < 100; i++)
    {
        for (j = 0; j < 200; j++) {
            points[i][j] = n++;
        }
    }

    char* tconv_buf = new char [1000];
    try
    {
        // Create the data space
        hsize_t dims[2];
        dims[0] = 100;
        dims[1] = 200;
        DataSpace space (2, dims, NULL);

        // Create a small conversion buffer to test strip mining
        DSetMemXferPropList xfer;

        xfer.setBuffer (1000, tconv_buf, NULL);

        // Create the dataset
        DataSet dataset (file.createDataSet (DSET_SIMPLE_IO_NAME, PredType::NATIVE_INT, space));

        // Write the data to the dataset
        dataset.write(static_cast<void*>(points), PredType::NATIVE_INT, DataSpace::ALL, DataSpace::ALL, xfer);

        // Read the dataset back
        dataset.read (static_cast<void*>(check), PredType::NATIVE_INT, DataSpace::ALL, DataSpace::ALL, xfer);

        // Check that the values read are the same as the values written
        for (i = 0; i < 100; i++)
            for (j = 0; j < 200; j++)
            {
                int status = check_values (i, j, points[i][j], check[i][j]);
                if (status == -1)
                    throw Exception("DataSet::read");
            }

        // clean up and return with success
        delete [] tconv_buf;
        PASSED();
        return 0;
    }  // end try

    // catch all dataset, space, plist exceptions
    catch (Exception& E)
    {
        cerr << " FAILED" << endl;
        cerr << "    <<<  " << E.getDetailMsg() << "  >>>" << endl << endl;

        // clean up and return with failure
        if (tconv_buf)
            delete [] tconv_buf;
        return -1;
    }
}   // test_simple_io


/*-------------------------------------------------------------------------
 * Function:    test_datasize
 *
 * Purpose      Tests DataSet::getInMemDataSize().  
 *
 * Return       Success: 0
 *
 *              Failure: -1
 *
 * Programmer   Binh-Minh Ribler
 *              Thursday, March 22, 2012
 *-------------------------------------------------------------------------
 */
static herr_t test_datasize(FileAccPropList &fapl)
{
    SUBTEST("DataSet::getInMemDataSize()");
    try
    {
        // Open FILE1.
        H5File file(FILE1, H5F_ACC_RDWR, FileCreatPropList::DEFAULT, fapl);

        // Open dataset DSET_SIMPLE_IO_NAME.
        DataSet dset = file.openDataSet (DSET_SIMPLE_IO_NAME);

        // Get the dataset's dataspace to calculate the size for verification.
        DataSpace space(dset.getSpace());

        // Get the dimension sizes.
        hsize_t dims[2];
        int n_dims = space.getSimpleExtentDims(dims);
        if (n_dims < 0)
        {
            throw Exception("test_compression", "DataSpace::getSimpleExtentDims() failed");
        }

        // Calculate the supposed size.  Size of each value is int (4), from
        // test_simple_io.
        size_t expected_size = 4 * dims[0] * dims[1];

        // getInMemDataSize() returns the in memory size of the data.
        size_t ds_size = dset.getInMemDataSize();

        // Verify the data size.
        if (ds_size != expected_size)
        {
            H5_FAILED();
            cerr << " Expected data size = " << expected_size;
            cerr << " but dset.getInMemDataSize() returned " << ds_size << endl;
            throw Exception("test_compression", "Failed in testing DataSet::getInMemDataSize()");
        }

        PASSED();
        return 0;
    }  // end try

    // catch all dataset, space, plist exceptions
    catch (Exception& E)
    {
        cerr << " FAILED" << endl;
        cerr << "    <<<  " << E.getDetailMsg() << "  >>>" << endl << endl;

        return -1;
    }
}   // test_datasize


/*-------------------------------------------------------------------------
 * Function:    test_tconv
 *
 * Purpose      Test some simple data type conversion stuff.
 *
 * Return       Success: 0
 *
 *              Failure: -1
 *
 * Programmer   Binh-Minh Ribler (using C version)
 *              Friday, January 5, 2001
 *-------------------------------------------------------------------------
 */
static herr_t test_tconv(H5File& file)
{
    // Prepare buffers for input/output
    char        *out=NULL, *in=NULL;
    out = new char [4*1000000];
    // assert (out); - should use exception handler for new - BMR
    in = new char [4*1000000];
    //assert (in);

    SUBTEST("Data type conversion");

    // Initialize the dataset
    for (int i = 0; i < 1000000; i++) {
        out[i*4+0] = 0x11;
        out[i*4+1] = 0x22;
        out[i*4+2] = 0x33;
        out[i*4+3] = 0x44;
    }

    try
    {
        // Create the data space
        hsize_t dims[1];
        dims[0] = 1000000;
        DataSpace space (1, dims, NULL);

        // Create the data set
        DataSet dataset (file.createDataSet (DSET_TCONV_NAME, PredType::STD_I32LE, space));

        // Write the data to the dataset
        dataset.write (static_cast<void*>(out), PredType::STD_I32LE);

        // Read data with byte order conversion
        dataset.read (static_cast<void*>(in), PredType::STD_I32BE);

        // Check
        for (int i = 0; i < 1000000; i++) {
            if (in[4*i+0]!=out[4*i+3] ||
                in[4*i+1]!=out[4*i+2] ||
                in[4*i+2]!=out[4*i+1] ||
                in[4*i+3]!=out[4*i+0])
            {
                throw Exception("DataSet::read", "Read with byte order conversion failed");
            }
        }

        // clean up and return with success
        delete [] out;
        delete [] in;
        PASSED();
        return 0;
    }  // end try

    // catch all dataset and space exceptions
    catch (Exception& E)
    {
        cerr << " FAILED" << endl;
        cerr << "    <<<  " << E.getDetailMsg() << "  >>>" << endl << endl;

        // clean up and return with failure
        delete [] out;
        delete [] in;
        return -1;
    }
}   // test_tconv

/* This message derives from H5Z */
const H5Z_class2_t H5Z_BOGUS[1] = {{
    H5Z_CLASS_T_VERS,           /* H5Z_class_t version number   */
    H5Z_FILTER_BOGUS,           /* Filter id number             */
    1, 1,                       /* Encode and decode enabled    */
    "bogus",                    /* Filter name for debugging        */
    NULL,                       /* The "can apply" callback     */
    NULL,                       /* The "set local" callback     */
    (H5Z_func_t)filter_bogus,   /* The actual filter function        */
}};


/*-------------------------------------------------------------------------
 * Function:    bogus
 *
 * Purpose      A bogus compression method that doesn't do anything.
 *
 * Return       Success: Data chunk size
 *
 *              Failure: 0
 *
 * Programmer   Robb Matzke
 *              Tuesday, April 21, 1998
 *-------------------------------------------------------------------------
 */
static size_t filter_bogus(unsigned int flags, size_t cd_nelmts,
      const unsigned int cd_values[], size_t nbytes,
      size_t *buf_size, void **buf)
// H5_ATTR_UNUSED variables caused warning, but taking them out caused failure.
{
    return nbytes;
}


/*-------------------------------------------------------------------------
 * Function:    test_compression
 *
 * Purpose      Tests dataset compression. If compression is requested when
 *              it hasn't been compiled into the library (such as when
 *              updating an existing compressed dataset) then data is sent to
 *              the file uncompressed but no errors are returned.
 *
 * Return       Success: 0
 *
 *              Failure: -1
 *
 * Programmer   Binh-Minh Ribler (using C version)
 *              Friday, January 5, 2001
 *-------------------------------------------------------------------------
 */
static herr_t test_compression(H5File& file)
{
#ifndef H5_HAVE_FILTER_DEFLATE
    const char *not_supported;
    not_supported = "    Deflate compression is not enabled.";
#endif /* H5_HAVE_FILTER_DEFLATE */
    int points[100][200];
    int check[100][200];
    hsize_t        i, j, n;

    // Initialize the dataset
    for (i = n = 0; i < 100; i++)
    {
        for (j = 0; j < 200; j++) {
            points[i][j] = static_cast<int>(n++);
        }
    }

    char* tconv_buf = new char [1000];
    DataSet* dataset = NULL;
    try
    {
        const hsize_t size[2] = {100, 200};
        // Create the data space
        DataSpace space1(2, size, NULL);

        // Create a small conversion buffer to test strip mining
        DSetMemXferPropList xfer;

        xfer.setBuffer (1000, tconv_buf, NULL);

        // Use chunked storage with compression
        DSetCreatPropList dscreatplist;

        const hsize_t chunk_size[2] = {2, 25};
        dscreatplist.setChunk (2, chunk_size);
        dscreatplist.setDeflate (6);

#ifdef H5_HAVE_FILTER_DEFLATE
        SUBTEST("Compression (setup)");

        // Create the dataset
        dataset = new DataSet (file.createDataSet
            (DSET_COMPRESS_NAME, PredType::NATIVE_INT, space1, dscreatplist));

        PASSED();

        /*----------------------------------------------------------------------
        * STEP 1: Read uninitialized data.  It should be zero.
        *----------------------------------------------------------------------
        */
        SUBTEST("Compression (uninitialized read)");

        dataset->read (static_cast<void*>(check), PredType::NATIVE_INT, DataSpace::ALL, DataSpace::ALL, xfer);

        for (i=0; i<size[0]; i++) {
            for (j=0; j<size[1]; j++) {
                if (0!=check[i][j]) {
                    H5_FAILED();
                    cerr << "    Read a non-zero value." << endl;
                    cerr << "    At index " << static_cast<unsigned long>(i)
                         << "," << static_cast<unsigned long>(j) << endl;
                    throw Exception("test_compression", "Failed in uninitialized read");
                }
            }
        }
        PASSED();

        /*----------------------------------------------------------------------
        * STEP 2: Test compression by setting up a chunked dataset and writing
        * to it.
        *----------------------------------------------------------------------
        */
        SUBTEST("Compression (write)");

        for (i=n=0; i<size[0]; i++)
        {
            for (j=0; j<size[1]; j++)
            {
                points[i][j] = static_cast<int>(n++);
            }
        }

        dataset->write (static_cast<void*>(points), PredType::NATIVE_INT, DataSpace::ALL, DataSpace::ALL, xfer);

        PASSED();

        /*----------------------------------------------------------------------
        * STEP 3: Try to read the data we just wrote.
        *----------------------------------------------------------------------
        */
        SUBTEST("Compression (read)");

        // Read the dataset back
        dataset->read (static_cast<void*>(check), PredType::NATIVE_INT, DataSpace::ALL, DataSpace::ALL, xfer);

        // Check that the values read are the same as the values written
        for (i = 0; i < size[0]; i++)
            for (j = 0; j < size[1]; j++)
            {
                int status = check_values (i, j, points[i][j], check[i][j]);
                if (status == -1)
                    throw Exception("test_compression", "Failed in read");
            }

        PASSED();

        /*----------------------------------------------------------------------
        * STEP 4: Write new data over the top of the old data.  The new data is
        * random thus not very compressible, and will cause the chunks to move
        * around as they grow.  We only change values for the left half of the
        * dataset although we rewrite the whole thing.
        *----------------------------------------------------------------------
        */
        SUBTEST("Compression (modify)");

        for (i=0; i<size[0]; i++)
        {
            for (j=0; j<size[1]/2; j++)
            {
                    points[i][j] = rand ();
            }
        }
        dataset->write (static_cast<void*>(points), PredType::NATIVE_INT, DataSpace::ALL, DataSpace::ALL, xfer);

        // Read the dataset back and check it
        dataset->read (static_cast<void*>(check), PredType::NATIVE_INT, DataSpace::ALL, DataSpace::ALL, xfer);

        // Check that the values read are the same as the values written
        for (i = 0; i < size[0]; i++)
            for (j = 0; j < size[1]; j++)
            {
                int status = check_values (i, j, points[i][j], check[i][j]);
                if (status == -1)
                    throw Exception("test_compression", "Failed in modify");
            }

        PASSED();

        /*----------------------------------------------------------------------
        * STEP 5: Close the dataset and then open it and read it again.  This
        * insures that the compression message is picked up properly from the
        * object header.
        *----------------------------------------------------------------------
        */
        SUBTEST("Compression (re-open)");

        // close this dataset to reuse the var
        delete dataset;

        dataset = new DataSet (file.openDataSet (DSET_COMPRESS_NAME));
        dataset->read (static_cast<void*>(check), PredType::NATIVE_INT, DataSpace::ALL, DataSpace::ALL, xfer);

        // Check that the values read are the same as the values written
        for (i = 0; i < size[0]; i++)
            for (j = 0; j < size[1]; j++)
            {
                int status = check_values (i, j, points[i][j], check[i][j]);
                if (status == -1)
                    throw Exception("test_compression", "Failed in re-open");
            }

        PASSED();


        /*----------------------------------------------------------------------
        * STEP 6: Test partial I/O by writing to and then reading from a
        * hyperslab of the dataset.  The hyperslab does not line up on chunk
        * boundaries (we know that case already works from above tests).
        *----------------------------------------------------------------------
        */
        SUBTEST("Compression (partial I/O)");

        const hsize_t hs_size[2] = {4, 50};
        const hsize_t hs_offset[2] = {7, 30};
        for (i = 0; i < hs_size[0]; i++) {
            for (j = 0; j < hs_size[1]; j++) {
                points[hs_offset[0]+i][hs_offset[1]+j] = rand ();
            }
        }
        space1.selectHyperslab( H5S_SELECT_SET, hs_size, hs_offset );
        dataset->write (static_cast<void*>(points), PredType::NATIVE_INT, space1, space1, xfer);
        dataset->read (static_cast<void*>(check), PredType::NATIVE_INT, space1, space1, xfer);

        // Check that the values read are the same as the values written
        for (i=0; i<hs_size[0]; i++) {
        for (j=0; j<hs_size[1]; j++) {
            if (points[hs_offset[0]+i][hs_offset[1]+j] !=
                check[hs_offset[0]+i][hs_offset[1]+j]) {
                H5_FAILED();
                cerr << "    Read different values than written.\n" << endl;
                cerr << "    At index " << static_cast<unsigned long>((hs_offset[0]+i)) <<
                    "," << static_cast<unsigned long>((hs_offset[1]+j)) << endl;

                cerr << "    At original: " << static_cast<int>(points[hs_offset[0]+i][hs_offset[1]+j]) << endl;
                cerr << "    At returned: " << static_cast<int>(check[hs_offset[0]+i][hs_offset[1]+j]) << endl;
                throw Exception("test_compression", "Failed in partial I/O");
            }
        } // for j
        } // for i

        delete dataset;
        dataset = NULL;

        PASSED();

#else
        SUBTEST("deflate filter");
        SKIPPED();
        cerr << not_supported << endl;
#endif

        /*----------------------------------------------------------------------
        * STEP 7: Register an application-defined compression method and use it
        * to write and then read the dataset.
        *----------------------------------------------------------------------
        */
        SUBTEST("Compression (app-defined method)");

        if (H5Zregister (H5Z_BOGUS)<0)
                throw Exception("test_compression", "Failed in app-defined method");
        if (H5Pset_filter (dscreatplist.getId(), H5Z_FILTER_BOGUS, 0, 0, NULL)<0)
            throw Exception("test_compression", "Failed in app-defined method");
        dscreatplist.setFilter (H5Z_FILTER_BOGUS, 0, 0, NULL);

        DataSpace space2 (2, size, NULL);
        dataset = new DataSet (file.createDataSet (DSET_BOGUS_NAME, PredType::NATIVE_INT, space2, dscreatplist));

        dataset->write (static_cast<void*>(points), PredType::NATIVE_INT, DataSpace::ALL, DataSpace::ALL, xfer);
        dataset->read (static_cast<void*>(check), PredType::NATIVE_INT, DataSpace::ALL, DataSpace::ALL, xfer);

        // Check that the values read are the same as the values written
        for (i = 0; i < size[0]; i++)
            for (j = 0; j < size[1]; j++)
            {
                int status = check_values (i, j, points[i][j], check[i][j]);
                if (status == -1)
                    throw Exception("test_compression", "Failed in app-defined method");
            }

        PASSED();

        /*----------------------------------------------------------------------
        * Cleanup
        *----------------------------------------------------------------------
        */
        delete dataset;
        delete [] tconv_buf;
        return 0;
    } // end try

    // catch all dataset, file, space, and plist exceptions
    catch (Exception& E)
    {
        cerr << " FAILED" << endl;
        cerr << "    <<<  " << E.getDetailMsg() << "  >>>" << endl << endl;

        // clean up and return with failure
        if (dataset != NULL)
            delete dataset;
        if (tconv_buf)
            delete [] tconv_buf;
        return -1;
    }
}   // test_compression


/*-------------------------------------------------------------------------
 * Function:    test_nbit_methods
 *
 * Purpose      Tests setting nbit compression methods.
 *
 * Return       Success: 0
 *
 *              Failure: -1
 *
 * Programmer   Binh-Minh Ribler
 *              Friday, April 22, 2016
 *
 *-------------------------------------------------------------------------
 */
const H5std_string DSET_NBIT_NAME("nbit_dataset");
const hsize_t DIM1 = 2;
const hsize_t DIM2 = 5;

static herr_t test_nbit_compression(H5File& file)
{
    typedef struct {
        int i;
        char c;
        short s;
    } s1_t;

    const hsize_t size[2] = {DIM1, DIM2};
    const hsize_t chunk_size[2] = {DIM1, DIM2};
    s1_t          orig_data[DIM1][DIM2];
    s1_t          new_data[DIM1][DIM2];
    hsize_t       i, j;

    SUBTEST("N-bit compression (setup)");

    try
    {
        // Define datatypes of members of compound datatype
        IntType i_type(PredType::NATIVE_INT);
        IntType c_type(PredType::NATIVE_CHAR);
        IntType s_type(PredType::NATIVE_SHORT);

        // Create a dataset compound datatype
        CompType cmpd(sizeof(s1_t));
        cmpd.insertMember("i", HOFFSET(s1_t, i), i_type);
        cmpd.insertMember("c", HOFFSET(s1_t, c), c_type);
        cmpd.insertMember("s", HOFFSET(s1_t, s), s_type);

        // Create a memory compound datatype
        CompType mem_cmpd(sizeof(s1_t));
        mem_cmpd.insertMember("i", HOFFSET(s1_t, i), i_type);
        mem_cmpd.insertMember("c", HOFFSET(s1_t, c), c_type);
        mem_cmpd.insertMember("s", HOFFSET(s1_t, s), s_type);

        // Set order of dataset compound datatype
        //cmpd.setOrder(H5T_ORDER_BE); only for atomic type?

        // Create the data space
        DataSpace space(2, size);

        // Use nbit filter
        DSetCreatPropList dscreat;
        dscreat.setChunk(2, chunk_size);
        dscreat.setNbit();

        // Create the dataset
        DataSet dataset(file.createDataSet(DSET_NBIT_NAME, cmpd, space, dscreat));

        // Initialize data, assuming size of long long >= size of member datatypes
        for (i = 0; i < size[0]; i++)
            for (j = 0; j < size[1]; j++)
            {
                orig_data[i][j].i = static_cast<int>(i * j);
                orig_data[i][j].c = static_cast<char>('a' + i);
                orig_data[i][j].s = static_cast<short>(i + j);

                // Some even-numbered integer values are negative
                if ((i*size[1]+j+1)%2 == 0) {
                    orig_data[i][j].i = -orig_data[i][j].i;
                    orig_data[i][j].s = static_cast<short>(-orig_data[i][j].s);
                }
            }

        // Write to the dataset
        dataset.write(static_cast<void*>(orig_data), mem_cmpd);

        // Read the dataset back */
        dataset.read(static_cast<void*>(new_data), mem_cmpd);

        // Check that the values read are the same as the values written.
        for (i = 0; i < size[0]; i++)
            for (j = 0; j < size[1]; j++)
            {
                if((new_data[i][j].i != orig_data[i][j].i) ||
                   (new_data[i][j].c != orig_data[i][j].c) ||
                   (new_data[i][j].s != orig_data[i][j].s))
                {
                    H5_FAILED();
                    printf("    Read different values than written.\n");
                    printf("    At index %lu,%lu\n", static_cast<unsigned long>(i), static_cast<unsigned long>(j));
                }
            }

        PASSED();
        return 0;
    } // end try block

    // catch all dataset, file, space, and plist exceptions
    catch (Exception& E)
    {
        cerr << " FAILED" << endl;
        cerr << "    <<<  " << E.getDetailMsg() << "  >>>" << endl << endl;

        return -1;
    }
} // test_nbit_compression


/*-------------------------------------------------------------------------
 * Function:    test_multiopen
 *
 * Purpose      Tests that a bug no longer exists.  If a dataset is opened
 *              twice and one of the handles is used to extend the dataset,
 *              then the other handle should return the new size when
 *              queried.
 *
 * Return       Success: 0
 *
 *              Failure: -1
 *
 * Programmer   Binh-Minh Ribler (using C version)
 *              Saturday, February 17, 2001
 *-------------------------------------------------------------------------
 */
static herr_t test_multiopen (H5File& file)
{

    SUBTEST("Multi-open with extending");

    DataSpace* space = NULL;
    try {

        // Create a dataset creation property list
        DSetCreatPropList dcpl;

        // Set chunk size to given size
        hsize_t cur_size[1] = {10};
        dcpl.setChunk (1, cur_size);

        // Create a simple data space with unlimited size
        hsize_t max_size[1] = {H5S_UNLIMITED};
        space = new DataSpace (1, cur_size, max_size);

        // Create first dataset
        DataSet dset1 = file.createDataSet ("multiopen", PredType::NATIVE_INT, *space, dcpl);

        // Open again the first dataset from the file to another DataSet object.
        DataSet dset2 = file.openDataSet ("multiopen");

        // Relieve the dataspace
        delete space;
        space = NULL;

        // Extend the dimensionality of the first dataset
        cur_size[0] = 20;
        dset1.extend (cur_size);

        // Get the size from the second handle
        space = new DataSpace (dset2.getSpace());

        hsize_t tmp_size[1];
        space->getSimpleExtentDims (tmp_size);
        if (cur_size[0]!=tmp_size[0])
        {
            cerr << "    Got " << static_cast<int>(tmp_size[0])
                 << " instead of " << static_cast<int>(cur_size[0]) 
                 << "!" << endl;
            throw Exception("test_multiopen", "Failed in multi-open with extending");
        }

        // clean up and return with success
        delete space;
        PASSED();
        return 0;
    } // end try block

    // catch all dataset, file, space, and plist exceptions
    catch (Exception& E)
    {
        cerr << " FAILED" << endl;
        cerr << "    <<<  " << E.getDetailMsg() << "  >>>" << endl << endl;

        // clean up and return with failure
        if (space != NULL)
            delete space;
        return -1;
    }
}   // test_multiopen


/*-------------------------------------------------------------------------
 * Function:    test_types
 *
 * Purpose      Test various types - should be moved to dtypes.cpp
 *
 * Return       Success: 0
 *
 *              Failure: -1
 *
 * Programmer   Binh-Minh Ribler (using C version)
 *              February 17, 2001
 *-------------------------------------------------------------------------
 */
static herr_t test_types(H5File& file)
{
    SUBTEST("Various datatypes");

    size_t i;
    DataSet* dset = NULL;
    try {

        // Create a group in the file that was passed in from the caller
        Group grp = file.createGroup ("typetests");

        /* bitfield_1 */
        unsigned char buf[32];
        hsize_t nelmts = sizeof(buf);
        DataType type;
        try { // block of bitfield_1
            // test copying a predefined type
            type.copy (PredType::STD_B8LE);

            // Test copying a user-defined type using DataType::copy
            DataType copied_type;
            copied_type.copy(type);

            // Test copying a user-defined type using DataType::operator=
            DataType another_copied_type;
            another_copied_type = type;

            // Test copying a user-defined int type using DataType::operator=
            IntType orig_int(PredType::STD_B8LE);
            DataType generic_type;
            generic_type = orig_int;

            // Test copying an integer predefined type
            IntType new_int_type(PredType::STD_B8LE);

            // Test copying an int predefined type using DataType::operator=
            IntType another_int_type;
            another_int_type = new_int_type;

            DataSpace space (1, &nelmts);
            dset = new DataSet(grp.createDataSet("bitfield_1", type, space));

            // Fill buffer
            for (i=0; i<sizeof buf; i++)
                    buf[i] = static_cast<unsigned char>(0xff) ^ static_cast<unsigned char>(i);

            // Write data from buf using all default dataspaces and property list
            dset->write (buf, type);

            // no failure in bitfield_1, close this dataset
            delete dset;
        } // end try block of bitfield_1

        // catch exceptions thrown in try block of bitfield_1
        catch (Exception& E)
        {
            cerr << " FAILED" << endl;
            cerr << "    <<<  " << "bitfield_1: " << E.getFuncName()
                 << " - " << E.getDetailMsg() << "  >>>" << endl << endl;
            if (dset != NULL)
                delete dset;
            return -1;
        }

        /* bitfield_2 */
        nelmts = sizeof(buf)/2;
        try { // bitfield_2 block
            type.copy (PredType::STD_B16LE);
            DataSpace space (1, &nelmts);
            dset = new DataSet(grp.createDataSet("bitfield_2", type, space));

            // Fill buffer
            for (i=0; i<sizeof(buf); i++)
                buf[i] = static_cast<unsigned char>(0xff) ^ static_cast<unsigned char>(i);

            // Write data from buf using all default dataspaces and property
            // list; if writing fails, deallocate dset and return.
            dset->write (buf, type);

            // no failure in bitfield_2, close this dataset and reset for
            // variable reuse
            delete dset;
            dset = NULL;
        } // end try block of bitfield_2

        // catch exceptions thrown in try block of bitfield_2
        catch (Exception& E)
        {
            cerr << " FAILED" << endl;
            cerr << "    <<<  " << "bitfield_2: " << E.getFuncName()
                 << " - " << E.getDetailMsg() << "  >>>" << endl << endl;
            if (dset != NULL)
                delete dset;
            throw E; // propagate the exception
        }

        /* opaque_1 */
        DataType* optype = NULL;
        try { // opaque_1 block
            optype = new DataType(H5T_OPAQUE, 1);
            nelmts = sizeof(buf);
            DataSpace space (1, &nelmts);
            optype->setTag ("testing 1-byte opaque type");
            dset = new DataSet(grp.createDataSet("opaque_1", *optype, space));

            // Fill buffer
            for (i=0; i<sizeof buf; i++)
                buf[i] = static_cast<unsigned char>(0xff) ^ static_cast<unsigned char>(i);

            // Write data from buf using all default dataspaces and property
            // list; if writing fails, deallocate dset and return.
            dset->write (buf, *optype);

            // no failure in opaque_1
            delete dset; dset = NULL;
            delete optype; optype = NULL;
        } // end try block of opaque_1

        // catch exceptions thrown in try block of opaque_1
        catch (Exception& E)
        {
            cerr << " FAILED" << endl;
            cerr << "    <<<  " << "opaque_1: " << E.getFuncName()
                 << " - " << E.getDetailMsg() << "  >>>" << endl << endl;
            if (dset != NULL)
                delete dset;
            if (optype != NULL)
                delete optype;
            throw E; // propagate the exception
        }

        /* opaque_2 */
        try { // block opaque_2
            nelmts = sizeof(buf)/4;
            DataSpace space (1, &nelmts);
            optype = new DataType(H5T_OPAQUE, 4);
            optype->setTag ("testing 4-byte opaque type");
            dset = new DataSet(grp.createDataSet("opaque_2", *optype, space));

            // Fill buffer
            for (i=0; i<sizeof(buf); i++)
                buf[i] = static_cast<unsigned char>(0xff) ^ static_cast<unsigned char>(i);

            // Write data from buf using all default dataspaces and property
            // list; if writing fails, deallocate dset and return.
            dset->write (buf, *optype);

            // no failure in opaque_1
            delete dset; dset = NULL;
            delete optype; optype = NULL;
        } //end try block of opaque_2

        // catch exceptions thrown in try block of opaque_2
        catch (Exception& E)
        {
            cerr << " FAILED" << endl;
            cerr << "    <<<  " << "opaque_2: " << E.getFuncName()
                 << " - " << E.getDetailMsg() << "  >>>" << endl << endl;
            if (dset != NULL)
                delete dset;
            if (optype != NULL)
                delete optype;
            throw E; // propagate the exception
        }

        PASSED();
        return 0;
    } // end top try block

    catch (Exception& E)
    {
        return -1;
    }
}   // test_types


/*-------------------------------------------------------------------------
 * Function:    test_getObjinfo
 *
 * Purpose      Tests getObjinfo()
 *
 * Return       Success: 0
 *              Failure: -1
 *
 * July, 2018
 *-------------------------------------------------------------------------
 */
static herr_t test_getinfo(H5File& file)
{
    SUBTEST("Getting object information");

    try {
        // Create a data space
        hsize_t     dims[2];
        dims[0] = 256;
        dims[1] = 512;
        DataSpace space (2, dims, NULL);

        // Create a dataset using the default dataset creation properties.
        // We're not sure what they are, so we won't check.
        DataSet dataset(file.openDataSet(DSET_CHUNKED_NAME));

        // Get dataset header info
        H5O_info_t oinfo;
        HDmemset(&oinfo, 0, sizeof(oinfo));
        dataset.getObjinfo(oinfo, H5O_INFO_HDR);
        verify_val(oinfo.hdr.nchunks, 1, "DataSet::getObjinfo", __LINE__, __FILE__);
        dataset.close();

        // Open the dataset we created above and then close it.  This is one
        // way to open an existing dataset for accessing.
        dataset = file.openDataSet(DSET_DEFAULT_NAME);
        HDmemset(&oinfo, 0, sizeof(oinfo));
        dataset.getObjinfo(oinfo, H5O_INFO_ALL);
        verify_val(oinfo.hdr.nchunks, 1, "DataSet::getObjinfo", __LINE__, __FILE__);
        dataset.close();

        PASSED();
        return 0;
    }   // outer most try block

    catch (InvalidActionException& E)
    {
        cerr << " FAILED" << endl;
        cerr << "    <<<  " << E.getDetailMsg() << "  >>>" << endl << endl;
        return -1;
    }
    // catch all other exceptions
    catch (Exception& E)
    {
        issue_fail_msg("test_getinfo", __LINE__, __FILE__);
        return -1;
    }
}   // test_getinfo


/*-------------------------------------------------------------------------
 * Function:    test_chunk_cache
 *
 * Purpose      Tests setting rdcc info on a DAPL, and interaction
 *              with the corresponding properties in the file structure.
 *
 * Return       Success:        0
 *              Failure:        number of errors
 *
 * July 2018
 *-------------------------------------------------------------------------
 */
const int RANK1 = 1;
const H5std_string FILE_ACCPLIST("test_accplist.h5");

static herr_t test_chunk_cache(FileAccPropList fapl)
{
    SUBTEST("DSetAccPropList::set/getChunkCache");

    try {
        // Create a default dataset access and file access property lists
        FileAccPropList fapl_def;
        DSetAccPropList dapl;

        // Verify that chunk cache parameters are the same
        int mdc_nelmts = 0;
        size_t nslots_1 = 0, nslots_4 = 0, nbytes_1 = 0, nbytes_4 = 0;
        double w0_1 = 0.0F, w0_4 = 0.0F;
        fapl_def.getCache(mdc_nelmts, nslots_1, nbytes_1, w0_1);
        dapl.getChunkCache(nslots_4, nbytes_4, w0_4);
        verify_val(nslots_1, nslots_4, "DSetAccPropList::getChunkCache",  __LINE__, __FILE__);
        verify_val(nbytes_1, nbytes_4, "DSetAccPropList::getChunkCache",  __LINE__, __FILE__);
        verify_val(w0_1, w0_4, "DSetAccPropList::getChunkCache",  __LINE__, __FILE__);

        // Set a link access property on dapl to verify property list inheritance
        dapl.setNumLinks((size_t)134);
        size_t nlinks = dapl.getNumLinks();
        verify_val(nlinks, (size_t)134, "DSetAccPropList::getNumLinks", __LINE__, __FILE__);

        // Make a copy of the external fapl
        FileAccPropList fapl_local(fapl);

        // Set new rdcc settings on fapl local
        size_t nslots_2 = nslots_1 * 2;
        size_t nbytes_2 = nbytes_1 * 2;
        double w0_2 = w0_1 / (double)2.0F;
        fapl_local.getCache(mdc_nelmts, nslots_2, nbytes_2, w0_2);

        // Create a new file using default fcpl and the passed-in fapl
        H5File file(FILE_ACCPLIST, H5F_ACC_TRUNC, FileCreatPropList::DEFAULT, fapl_local);

        // Create dataset creation property list
        DSetCreatPropList dcpl;

        // Set chunk dimensions
        hsize_t cdims[RANK1];
        cdims[0] = 10;
        dcpl.setChunk(RANK1, cdims);

        // Create memory space
        hsize_t mdims[RANK1];
        mdims[0] = 10;
        DataSpace mspace(RANK1, mdims);

        // Create a dataset using that dataset creation properties
        DataSet dataset(file.createDataSet(DSET_CHUNKED_NAME, PredType::NATIVE_INT, mspace, dcpl, dapl));

        // Get the dataset access property list
        DSetAccPropList dapl2 = dataset.getAccessPlist();

        // Retrieve and verify the raw data chunk cache parameters
        nslots_4 = nbytes_4 = 0;
        w0_4 = 0.0F;
        dapl2.getChunkCache(nslots_4, nbytes_4, w0_4);
        verify_val(nslots_2, nslots_4, "DSetCreatPropList::getChunkCache", __LINE__, __FILE__);
        verify_val(nbytes_2, nbytes_4, "DSetCreatPropList::getChunkCache", __LINE__, __FILE__);
        verify_val(H5_DBL_ABS_EQUAL(w0_2, w0_4), 1, "DSetCreatPropList::getChunkCache", __LINE__, __FILE__);


        // Set new values on original dapl
        size_t nslots_3 = nslots_1 * 2;
        size_t nbytes_3 = H5D_CHUNK_CACHE_NBYTES_DEFAULT;
        double w0_3 = w0_2 / 2;
        dapl.getChunkCache(nslots_3, nbytes_3, w0_3);

        // Close dataset
        dataset.close();

        // Reopen dataset
        DataSet dataset2(file.openDataSet(DSET_CHUNKED_NAME, dapl));

        // Get the dataset access property list
        DSetAccPropList dapl3 = dataset2.getAccessPlist();

        // Retrieve and verify the raw data chunk cache parameters
        dapl3.getChunkCache(nslots_4, nbytes_4, w0_4);
        verify_val(nslots_3, nslots_4, "DSetCreatPropList::getLayout", __LINE__, __FILE__);
        verify_val(nbytes_3, nbytes_4, "DSetCreatPropList::getLayout", __LINE__, __FILE__);
        verify_val(H5_DBL_ABS_EQUAL(w0_3, w0_4), 1, "DSetCreatPropList::getLayout", __LINE__, __FILE__);


        PASSED();
        return 0;
    } // end top try block

    catch (Exception& E)
    {
        return -1;
    }
} // test_chunk_cache


/*-------------------------------------------------------------------------
 * Function:    test_virtual
 *
 * Purpose      Tests fixed, unlimited, and printf selections in the same
 *              VDS
 *
 * Return       Success:        0
 *              Failure:        number of errors
 *
 * Programmer   Binh-Minh Ribler
 *              Friday, March 10, 2017
 *
 *-------------------------------------------------------------------------
 */
const int RANK = 2;

static herr_t test_virtual()
{
    SUBTEST("DSetCreatPropList::setVirtual");

    try {
        // Create DCPLs
        DSetCreatPropList dcpl;
        DSetCreatPropList srcdcpl;

        // Set fill value
        char *fill = NULL;
        dcpl.setFillValue(PredType::NATIVE_INT, &fill);

        // Set chunk dimensions
        hsize_t cdims[RANK];
        cdims[0] = 2;
        cdims[1] = 2;
        srcdcpl.setChunk(RANK, cdims);

        // Create memory space
        hsize_t mdims[RANK];
        mdims[0] = 10;
        mdims[1] = 10;
        DataSpace memspace(RANK, mdims);

        // Get the current layout, should be default, H5D_CONTIGUOUS
        H5D_layout_t layout = dcpl.getLayout();
        verify_val(layout, H5D_CONTIGUOUS, "DSetCreatPropList::getLayout", __LINE__, __FILE__);

        // Create fixed mapping
        hsize_t dims[RANK];
        dims[0] = 6;
        dims[1] = 6;
        DataSpace vspace(RANK, dims, mdims);

        hsize_t start[RANK];       // Hyperslab start
        hsize_t count[RANK];       // Hyperslab count
        start[0] = start[1] = 3;
        count[0] = count[1] = 3;
        vspace.selectHyperslab(H5S_SELECT_SET, count, start);

        DataSpace srcspace(RANK, count);

        H5std_string src_file = "src_file_map.h5";
        H5std_string src_dset = "src_dset_fixed";
        dcpl.setVirtual(vspace, src_file, src_dset, srcspace);

        // Get and verify the new layout
        layout = dcpl.getLayout();
        verify_val(layout, H5D_VIRTUAL, "DSetCreatPropList::getLayout", __LINE__, __FILE__);

        PASSED();
        return 0;
    } // end top try block

    catch (Exception& E)
    {
        return -1;
    }
} // test_virtual


/*-------------------------------------------------------------------------
 * Function:    test_dset
 *
 * Purpose      Tests the dataset interface (H5D)
 *
 * Return       Success: 0
 *
 *              Failure: -1
 *
 * Programmer   Binh-Minh Ribler (using C version)
 *              Friday, January 5, 2001
 *
 * Modifications:
 *        Nov 12, 01:
 *              - moved h5_cleanup to outside of try block because
 *                dataset.h5 cannot be removed until "file" is out of
 *                scope and dataset.h5 is closed.
 *        Feb 20, 05:
 *              - cleanup_dsets took care of the cleanup now.
 *
 *-------------------------------------------------------------------------
 */
extern "C"
void test_dset()
{
    hid_t fapl_id;
    fapl_id = h5_fileaccess(); // in h5test.c, returns a file access template
    int nerrors=0; // keep track of number of failures occur

    try
    {
        // Use the file access template id to create a file access prop.
        // list object to pass in H5File::H5File
        FileAccPropList fapl(fapl_id);

        H5File file(FILE1, H5F_ACC_TRUNC, FileCreatPropList::DEFAULT, fapl);

        // Cause the library to emit initial messages
        Group grp = file.createGroup( "emit diagnostics", 0);
        grp.setComment("Causes diagnostic messages to be emitted");

        nerrors += test_create(file) < 0 ? 1:0;
        nerrors += test_simple_io(file) < 0 ? 1:0;
        nerrors += test_getinfo(file) < 0 ? 1:0;
        nerrors += test_tconv(file) < 0 ? 1:0;
        nerrors += test_compression(file) < 0 ? 1:0;
        nerrors += test_nbit_compression(file) < 0 ? 1:0;
        nerrors += test_multiopen (file) < 0 ? 1:0;
        nerrors += test_types(file) < 0 ? 1:0;
        nerrors += test_virtual() < 0 ? 1:0;
        nerrors += test_chunk_cache(fapl) < 0 ? 1:0;

        // Close group "emit diagnostics".
        grp.close();

        // Close the file before testing data size.
        file.close();

        nerrors += test_datasize(fapl) <0 ? 1:0;
    }
    catch (Exception& E)
    {
        test_report(nerrors, H5std_string(" Dataset"));
    }

    // Clean up data file
    cleanup_dsets();
}   // test_dset


/*-------------------------------------------------------------------------
 * Function:    cleanup_dsets
 *
 * Purpose      Cleanup temporary test files
 *
 * Return       None
 *
 * Programmer   (use C version)
 *-------------------------------------------------------------------------
 */
extern "C"
void cleanup_dsets()
{
    HDremove(FILE1.c_str());
} // cleanup_dsets