summaryrefslogtreecommitdiffstats
path: root/test/vfd.c
blob: c19e0d02db953b3de01fbb51556ae0300fce4b47 (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
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781
1782
1783
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 * 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 files COPYING and Copyright.html.  COPYING can be found at the root   *
 * of the source code distribution tree; Copyright.html can be found at the  *
 * root level of an installed copy of the electronic HDF5 document set and   *
 * is linked from the top-level documents page.  It can also be found at     *
 * http://hdfgroup.org/HDF5/doc/Copyright.html.  If you do not have          *
 * access to either file, you may request a copy from help@hdfgroup.org.     *
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

/*
 * Programmer:  Raymond Lu<slu@ncsa.uiuc.edu>
 *              Tuesday, Sept 24, 2002
 *
 * Purpose:     Tests the basic features of Virtual File Drivers
 */

#include "h5test.h"

#define KB              1024U
#define FAMILY_NUMBER   4
#define FAMILY_SIZE     (1*KB)
#define FAMILY_SIZE2    (5*KB)
#define MULTI_SIZE      128

#define CORE_INCREMENT  (4*KB)
#define CORE_PAGE_SIZE  (1024*KB)
#define CORE_DSET_NAME  "core dset"
#define CORE_DSET_DIM1  1024
#define CORE_DSET_DIM2  32

#define DSET1_NAME   "dset1"
#define DSET1_DIM1   1024
#define DSET1_DIM2   32
#define DSET3_NAME   "dset3"

/* Macros for Direct VFD */
#ifdef H5_HAVE_DIRECT
#define MBOUNDARY    512
#define FBSIZE       (4*KB)
#define CBSIZE       (8*KB)
#define THRESHOLD    1
#define DSET2_NAME   "dset2"
#define DSET2_DIM    4
#endif /* H5_HAVE_DIRECT */

const char *FILENAME[] = {
    "sec2_file",         /*0*/
    "core_file",         /*1*/
    "family_file",       /*2*/
    "new_family_v16_",   /*3*/
    "multi_file",        /*4*/
    "direct_file",       /*5*/
    "log_file",          /*6*/
    "stdio_file",        /*7*/
    "windows_file",      /*8*/
    "new_multi_file_v16",/*9*/
    NULL
};

#define LOG_FILENAME "log_vfd_out.log"

#define COMPAT_BASENAME "family_v16_"
#define MULTI_COMPAT_BASENAME "multi_file_v16"


/*-------------------------------------------------------------------------
 * Function:    test_sec2
 *
 * Purpose:     Tests the file handle interface for SEC2 driver
 *
 * Return:      Success:        0
 *              Failure:        -1
 *
 * Programmer:  Raymond Lu
 *              Tuesday, Sept 24, 2002
 *
 *-------------------------------------------------------------------------
 */
static herr_t
test_sec2(void)
{
    hid_t       fid = -1;                   /* file ID                      */
    hid_t       fapl_id = -1;               /* file access property list ID */
    hid_t       fapl_id_out = -1;           /* from H5Fget_access_plist     */
    char        filename[1024];             /* filename                     */
    void        *os_file_handle = NULL;     /* OS file handle               */
    hsize_t     file_size;                  /* file size                    */

    TESTING("SEC2 file driver");

    /* Set property list and file name for SEC2 driver. */
    if((fapl_id = H5Pcreate(H5P_FILE_ACCESS)) < 0)
        TEST_ERROR;
    if(H5Pset_fapl_sec2(fapl_id) < 0)
        TEST_ERROR;
    h5_fixname(FILENAME[0], fapl_id, filename, sizeof(filename));

    if((fid = H5Fcreate(filename, H5F_ACC_TRUNC, H5P_DEFAULT, fapl_id)) < 0)
        TEST_ERROR;

    /* Retrieve the access property list... */
    if((fapl_id_out = H5Fget_access_plist(fid)) < 0)
        TEST_ERROR;

    /* Check that the driver is correct */
    if(H5FD_SEC2 != H5Pget_driver(fapl_id_out))
        TEST_ERROR;

    /* ...and close the property list */
    if(H5Pclose(fapl_id_out) < 0)
        TEST_ERROR;

    /* Check that we can get an operating-system-specific handle from
     * the library.
     */
    if(H5Fget_vfd_handle(fid, H5P_DEFAULT, &os_file_handle) < 0)
        TEST_ERROR;
    if(os_file_handle == NULL)
        FAIL_PUTS_ERROR("NULL os-specific vfd/file handle was returned from H5Fget_vfd_handle");


    /* There is no garantee the size of metadata in file is constant.
     * Just try to check if it's reasonable.
     * 
     * Currently it should be around 2 KB.
     */
    if(H5Fget_filesize(fid, &file_size) < 0)
        TEST_ERROR;
    if(file_size < 1 * KB || file_size > 4 * KB)
        FAIL_PUTS_ERROR("suspicious file size obtained from H5Fget_filesize");

    /* Close and delete the file */
    if(H5Fclose(fid) < 0)
        TEST_ERROR;
    h5_delete_test_file(FILENAME[0], fapl_id);

    /* Close the fapl */
    if(H5Pclose(fapl_id) < 0)
        TEST_ERROR;

    PASSED();
    return 0;

error:
    H5E_BEGIN_TRY {
        H5Pclose(fapl_id);
        H5Pclose(fapl_id_out);
        H5Fclose(fid);
    } H5E_END_TRY;
    return -1;
} /* end test_sec2() */


/*-------------------------------------------------------------------------
 * Function:    test_core
 *
 * Purpose:     Tests the file handle interface for CORE driver
 *
 * Return:      Success:        0
 *              Failure:        -1
 *
 * Programmer:  Raymond Lu
 *              Tuesday, Sept 24, 2002
 *
 *-------------------------------------------------------------------------
 */
static herr_t
test_core(void)
{
    hid_t       fid = -1;                   /* file ID                      */
    hid_t       fapl_id = -1;               /* file access property list ID */
    hid_t       fapl_id_out = -1;           /* from H5Fget_access_plist     */
    hid_t       did = -1;                   /* dataset ID                   */
    hid_t       sid = -1;                   /* dataspace ID                 */
    char        filename[1024];             /* filename                     */
    void        *os_file_handle = NULL;     /* OS file handle               */
    hsize_t     file_size;                  /* file size                    */
    size_t      increment;                  /* core VFD increment           */
    hbool_t     backing_store;              /* use backing store?           */
    hbool_t     use_write_tracking;         /* write tracking flag          */
    size_t      write_tracking_page_size;   /* write tracking page size     */
    int         *data_w = NULL;             /* data written to the dataset  */
    int         *data_r = NULL;             /* data read from the dataset   */
    int         val;                        /* data value                   */
    int         *pw = NULL, *pr = NULL;     /* pointers for iterating over
                                               data arrays (write & read)   */
    hsize_t     dims[2];                    /* dataspace dimensions         */
    int         i, j;                       /* iterators                    */
    htri_t      status;                     /* return value from H5Lexists  */

    TESTING("CORE file driver");

    /* Get a file access property list and fix up the file name */
    if((fapl_id = H5Pcreate(H5P_FILE_ACCESS)) < 0)
        TEST_ERROR;
    h5_fixname(FILENAME[1], fapl_id, filename, sizeof(filename));

    /************************************************************************
     * Check that the backing store flag works by creating a file, close
     * it, and ensure that the file does not exist.
     ************************************************************************/

    /* Make sure it's not present at the start of the test */
    if(HDaccess(filename, F_OK) != -1)
        if(HDremove(filename) < 0)
            FAIL_PUTS_ERROR("unable to remove backing store file");
    /* Create and close file w/ backing store off */
    if(H5Pset_fapl_core(fapl_id, (size_t)CORE_INCREMENT, FALSE) < 0)
        TEST_ERROR;
    if((fid = H5Fcreate(filename, H5F_ACC_TRUNC, H5P_DEFAULT, fapl_id)) < 0)
        TEST_ERROR;
    if(H5Fclose(fid) < 0)
        TEST_ERROR;
    /* Check for the backing store file */
    if(HDaccess(filename, F_OK) != -1)
        FAIL_PUTS_ERROR("file created when backing store set to FALSE");


    /************************************************************************
     * Check basic core VFD operation and properties. This is done with the
     * backing store on so a file will be created for later use.
     ************************************************************************/

    /* Turn the backing store on */
    if(H5Pset_fapl_core(fapl_id, (size_t)CORE_INCREMENT, TRUE) < 0)
        TEST_ERROR;

    /* Check that write tracking is off by default and that the default
     * page size is non-zero.
     */
    if(H5Pget_core_write_tracking(fapl_id, &use_write_tracking, &write_tracking_page_size) < 0)
        TEST_ERROR;
    if(FALSE != use_write_tracking)
        FAIL_PUTS_ERROR("write tracking should be off by default");
    if(0 == write_tracking_page_size)
        FAIL_PUTS_ERROR("write tracking page size should never be zero");

    /* Set core VFD properties */
    if(H5Pset_core_write_tracking(fapl_id, TRUE, CORE_PAGE_SIZE) < 0)
        TEST_ERROR;

    /* Create the file */
    if((fid = H5Fcreate(filename, H5F_ACC_TRUNC, H5P_DEFAULT, fapl_id)) < 0)
        TEST_ERROR;

    /* Retrieve the access property list... */
    if((fapl_id_out = H5Fget_access_plist(fid)) < 0)
        TEST_ERROR;

    /* Check that the driver is correct */
    if(H5FD_CORE != H5Pget_driver(fapl_id_out))
        TEST_ERROR;

    /* Get the basic VFD properties from the fapl and ensure that
     * they are correct.
     */
    if(H5Pget_fapl_core(fapl_id_out, &increment, &backing_store) < 0)
        TEST_ERROR
    if(increment != (size_t)CORE_INCREMENT)
        FAIL_PUTS_ERROR("incorrect increment from file fapl");
    if(backing_store != TRUE)
        FAIL_PUTS_ERROR("incorrect backing store flag from file fapl");

    /* Check that the backing store write tracking info was saved */
    /* TODO: There is a bug where H5Fget_access_plist() does not return
     *       the write tracking properties. Until this bug is fixed, just
     *       test the main fapl_id.
     */
    if(H5Pget_core_write_tracking(fapl_id, &use_write_tracking, &write_tracking_page_size) < 0)
        TEST_ERROR;
    if(TRUE != use_write_tracking)
        FAIL_PUTS_ERROR("write tracking flag incorrect in fapl obtained from H5Fget_access_plist");
    if(CORE_PAGE_SIZE != write_tracking_page_size)
        FAIL_PUTS_ERROR("write tracking page size incorrect in fapl obtained from H5Fget_access_plist");

    /* Close the property list */
    if(H5Pclose(fapl_id_out) < 0)
        TEST_ERROR;

    /* Check that we can get an operating-system-specific handle from
     * the library.
     */
    if(H5Fget_vfd_handle(fid, H5P_DEFAULT, &os_file_handle) < 0)
        TEST_ERROR;
    if(os_file_handle == NULL)
        FAIL_PUTS_ERROR("NULL os-specific vfd/file handle was returned from H5Fget_vfd_handle");

    /* There is no garantee the size of metadata in file is constant.
     * Just try to check if it's reasonable.
     * 
     * TODO: Needs justification of why is this is a reasonable size.
     */
    if(H5Fget_filesize(fid, &file_size) < 0)
        TEST_ERROR;
    if(file_size < 2 * KB || file_size > 6 * KB)
        FAIL_PUTS_ERROR("suspicious file size obtained from H5Fget_filesize");

    /* Close the file */
    if(H5Fclose(fid) < 0)
        TEST_ERROR;


    /************************************************************************
     * Make changes to the file with the backing store flag OFF to ensure
     * that they ARE NOT propagated.
     ************************************************************************/

    /* Open the file with backing store off for read and write.
     * Changes won't be saved in file.
     */
    if(H5Pset_fapl_core(fapl_id, (size_t)CORE_INCREMENT, FALSE) < 0)
        TEST_ERROR;
    if((fid = H5Fopen(filename, H5F_ACC_RDWR, fapl_id)) < 0)
        TEST_ERROR;

    /* Allocate memory for data set. */
    if(NULL == (data_w = (int *)HDmalloc(DSET1_DIM1 * DSET1_DIM2 * sizeof(int))))
        FAIL_PUTS_ERROR("unable to allocate memory for input array");
    if(NULL == (data_r = (int *)HDmalloc(DSET1_DIM1 * DSET1_DIM2 * sizeof(int))))
        FAIL_PUTS_ERROR("unable to allocate memory for output array");

    /* Initialize the buffers */
    val = 0;
    pw = data_w;
    for(i = 0; i < CORE_DSET_DIM1; i++)
        for(j = 0; j < CORE_DSET_DIM2; j++)
            *pw++ = val++;
    HDmemset(data_r, 0, DSET1_DIM1 * DSET1_DIM2 * sizeof(int)); 

    /* Create the dataspace */
    dims[0] = CORE_DSET_DIM1;
    dims[1] = CORE_DSET_DIM2;
    if((sid = H5Screate_simple(2, dims, NULL)) < 0)
        TEST_ERROR;

    /* Create the dataset */
    if((did = H5Dcreate2(fid, CORE_DSET_NAME, H5T_NATIVE_INT, sid, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT)) < 0)
        TEST_ERROR;

    /* Write the data to the dataset */
    if(H5Dwrite(did, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, data_w) < 0)
        TEST_ERROR;

    /* Close and reopen the dataset */
    if(H5Dclose(did) < 0)
        TEST_ERROR;
    if((did = H5Dopen2(fid, CORE_DSET_NAME, H5P_DEFAULT)) < 0)
        TEST_ERROR;

    /* Read the data back from dset1 */
    if(H5Dread(did, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, data_r) < 0)
        TEST_ERROR;

    /* Check that the values read are the same as the values written */
    pw = data_w;
    pr = data_r;
    for(i = 0; i < CORE_DSET_DIM1; i++)
        for(j = 0; j < CORE_DSET_DIM2; j++)
            if(*pr++ != *pw++) {
                H5_FAILED();
                printf("    Read different values than written in data set.\n");
                printf("    At index %d,%d\n", i, j);
                TEST_ERROR;
            } /* end if */

    /* Close everything except the dataspace ID (needed below)*/
    if(H5Dclose(did) < 0)
        TEST_ERROR;
    if(H5Fclose(fid) < 0)
        TEST_ERROR;

    /* Reopen the file and ensure that the dataset does not exist */
    if((fid = H5Fopen(filename, H5F_ACC_RDWR, fapl_id)) < 0)
        TEST_ERROR;
    status = H5Lexists(fid, CORE_DSET_NAME, H5P_DEFAULT);
    if(status < 0)
        TEST_ERROR;
    if(status > 0)
        FAIL_PUTS_ERROR("core VFD dataset created in file when backing store disabled");

    /* Close the file */
    if(H5Fclose(fid) < 0)
        TEST_ERROR;


    /************************************************************************
     * Make changes to the file with the backing store flag ON to ensure
     * that they ARE propagated.
     ************************************************************************/

    /* Open the file with backing store on for read and write.
     * Changes will be saved in file.
     */
    if(H5Pset_fapl_core(fapl_id, (size_t)CORE_INCREMENT, TRUE) < 0)
        TEST_ERROR;
    if((fid = H5Fopen(filename, H5F_ACC_RDWR, fapl_id)) < 0)
        TEST_ERROR;

    /* Create the dataset */
    if((did = H5Dcreate2(fid, CORE_DSET_NAME, H5T_NATIVE_INT, sid, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT)) < 0)
        TEST_ERROR;

    /* Write the data to the dataset */
    if(H5Dwrite(did, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, data_w) < 0)
        TEST_ERROR;

    /* Close everything and reopen */
    if(H5Dclose(did) < 0)
        TEST_ERROR;
    if(H5Fclose(fid) < 0)
        TEST_ERROR;
    if((fid = H5Fopen(filename, H5F_ACC_RDWR, fapl_id)) < 0)
        TEST_ERROR;
    if((did = H5Dopen2(fid, CORE_DSET_NAME, H5P_DEFAULT)) < 0)
        TEST_ERROR;

    /* Read the data back from the dataset */
    HDmemset(data_r, 0, DSET1_DIM1 * DSET1_DIM2 * sizeof(int)); 
    if(H5Dread(did, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, data_r) < 0)
        TEST_ERROR;

    /* Check that the values read are the same as the values written */
    pw = data_w;
    pr = data_r;
    for(i = 0; i < CORE_DSET_DIM1; i++)
        for(j = 0; j < CORE_DSET_DIM2; j++)
            if(*pw++ != *pr++) {
                H5_FAILED();
                printf("    Read different values than written in data set.\n");
                printf("    At index %d,%d\n", i, j);
                TEST_ERROR;
            } /* end if */

    /* Check file size API.
     * There is no garantee the size of metadata in file is constant.
     * Just try to check if it's reasonable.
     * 
     * TODO: Needs justification of why is this is a reasonable size.
     */
    if(H5Fget_filesize(fid, &file_size) < 0)
        TEST_ERROR;
    if(file_size < 64 * KB || file_size > 256 * KB)
        FAIL_PUTS_ERROR("suspicious file size obtained from H5Fget_filesize");

    /* Close everything */
    if(H5Sclose(sid) < 0)
        TEST_ERROR;
    if(H5Dclose(did) < 0)
        TEST_ERROR;

    HDfree(data_w);
    HDfree(data_r);

    /* Close and delete the file */
    if(H5Fclose(fid) < 0)
        TEST_ERROR;
    h5_delete_test_file(FILENAME[1], fapl_id);

    /* Close the fapl */
    if(H5Pclose(fapl_id) < 0)
        TEST_ERROR;

    PASSED();
    return 0;

error:
    H5E_BEGIN_TRY {
        H5Sclose(sid);
        H5Dclose(did);
        H5Pclose(fapl_id_out);
        H5Pclose(fapl_id);
        H5Fclose(fid);
    } H5E_END_TRY;

    if(data_w)
        HDfree(data_w);
    if(data_r)
        HDfree(data_r);

    return -1;
} /* end test_core() */


/*-------------------------------------------------------------------------
 * Function:    test_direct
 *
 * Purpose:     Tests the file handle interface for DIRECT I/O driver
 *
 * Return:      Success:        0
 *              Failure:        -1
 *
 * Programmer:  Raymond Lu
 *              Wednesday, 20 September 2006
 *
 *-------------------------------------------------------------------------
 */
static herr_t
test_direct(void)
{
#ifdef H5_HAVE_DIRECT
    hid_t       file=-1, fapl=-1, access_fapl = -1;
    hid_t  dset1=-1, dset2=-1, space1=-1, space2=-1;
    char        filename[1024];
    int         *fhandle=NULL;
    hsize_t     file_size;
    hsize_t  dims1[2], dims2[1];
    size_t  mbound;
    size_t  fbsize;
    size_t  cbsize;
    int    *points = NULL, *check = NULL, *p1 = NULL, *p2 = NULL;
    int    wdata2[DSET2_DIM] = {11,12,13,14};
    int    rdata2[DSET2_DIM];
    int    i, j, n;
#endif /*H5_HAVE_DIRECT*/

    TESTING("DIRECT I/O file driver");

#ifndef H5_HAVE_DIRECT
    SKIPPED();
    return 0;
#else /*H5_HAVE_DIRECT*/

    /* Set property list and file name for Direct driver.  Set memory alignment boundary
     * and file block size to 512 which is the minimum for Linux 2.6. */
    if((fapl = H5Pcreate(H5P_FILE_ACCESS)) < 0)
        TEST_ERROR;
    if(H5Pset_fapl_direct(fapl, MBOUNDARY, FBSIZE, CBSIZE) < 0)
        TEST_ERROR;
    h5_fixname(FILENAME[5], fapl, filename, sizeof filename);

    /* Verify the file access properties */
    if(H5Pget_fapl_direct(fapl, &mbound, &fbsize, &cbsize) < 0)
        TEST_ERROR;
    if(mbound != MBOUNDARY || fbsize != FBSIZE || cbsize != CBSIZE)
        TEST_ERROR;

    if(H5Pset_alignment(fapl, (hsize_t)THRESHOLD, (hsize_t)FBSIZE) < 0)
        TEST_ERROR;

    H5E_BEGIN_TRY {
        file=H5Fcreate(filename, H5F_ACC_TRUNC, H5P_DEFAULT, fapl);
    } H5E_END_TRY;
    if(file<0) {
        H5Pclose (fapl);
        SKIPPED();
        printf("  Probably the file system doesn't support Direct I/O\n");
        return 0;
    }

    /* Retrieve the access property list... */
    if ((access_fapl = H5Fget_access_plist(file)) < 0)
        TEST_ERROR;

    /* Check that the driver is correct */
    if(H5FD_DIRECT != H5Pget_driver(access_fapl))
        TEST_ERROR;

    /* ...and close the property list */
    if (H5Pclose(access_fapl) < 0)
        TEST_ERROR;

    /* Check file handle API */
    if(H5Fget_vfd_handle(file, H5P_DEFAULT, (void **)&fhandle) < 0)
        TEST_ERROR;
    if(*fhandle<0)
        TEST_ERROR;

    /* Check file size API */
    if(H5Fget_filesize(file, &file_size) < 0)
        TEST_ERROR;

    /* There is no guarantee of the number of metadata allocations, but it's
     * 4 currently and the size of the file should be between 3 & 4 file buffer
     * sizes..
     */
    if(file_size < (FBSIZE * 3) || file_size >= (FBSIZE * 4))
        TEST_ERROR;

    /* Allocate aligned memory for data set 1. For data set 1, everything is aligned including
     * memory address, size of data, and file address. */
    if(0 != HDposix_memalign(&points, (size_t)FBSIZE, (size_t)(DSET1_DIM1 * DSET1_DIM2 * sizeof(int))))
        TEST_ERROR;
    if(0 != HDposix_memalign(&check, (size_t)FBSIZE, (size_t)(DSET1_DIM1 * DSET1_DIM2 * sizeof(int))))
        TEST_ERROR;

    /* Initialize the dset1 */
    p1 = points;
    for(i = n = 0; i < DSET1_DIM1; i++)
        for(j = 0; j < DSET1_DIM2; j++)
            *p1++ = n++;

    /* Create the data space1 */
    dims1[0] = DSET1_DIM1;
    dims1[1] = DSET1_DIM2;
    if((space1 = H5Screate_simple(2, dims1, NULL)) < 0)
        TEST_ERROR;

    /* Create the dset1 */
    if((dset1 = H5Dcreate2(file, DSET1_NAME, H5T_NATIVE_INT, space1, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT)) < 0)
        TEST_ERROR;

    /* Write the data to the dset1 */
    if(H5Dwrite(dset1, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, points) < 0)
        TEST_ERROR;

    if(H5Dclose(dset1) < 0)
        TEST_ERROR;

    if((dset1 = H5Dopen2(file, DSET1_NAME, H5P_DEFAULT)) < 0)
        TEST_ERROR;

    /* Read the data back from dset1 */
    if(H5Dread(dset1, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, check) < 0)
        TEST_ERROR;

    /* Check that the values read are the same as the values written */
    p1 = points;
    p2 = check;
    for(i = 0; i < DSET1_DIM1; i++)
        for(j = 0; j < DSET1_DIM2; j++)
            if(*p1++ != *p2++) {
                H5_FAILED();
                printf("    Read different values than written in data set 1.\n");
                printf("    At index %d,%d\n", i, j);
                TEST_ERROR;
              } /* end if */

    /* Create the data space2. For data set 2, memory address and data size are not aligned. */
    dims2[0] = DSET2_DIM;
    if((space2 = H5Screate_simple(1, dims2, NULL)) < 0)
        TEST_ERROR;

    /* Create the dset2 */
    if((dset2 = H5Dcreate2(file, DSET2_NAME, H5T_NATIVE_INT, space2, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT)) < 0)
        TEST_ERROR;

    /* Write the data to the dset1 */
    if(H5Dwrite(dset2, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, wdata2) < 0)
        TEST_ERROR;

    if(H5Dclose(dset2) < 0)
        TEST_ERROR;

    if((dset2 = H5Dopen2(file, DSET2_NAME, H5P_DEFAULT)) < 0)
        TEST_ERROR;

    /* Read the data back from dset1 */
    if(H5Dread(dset2, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, rdata2) < 0)
        TEST_ERROR;

    /* Check that the values read are the same as the values written */
    for(i = 0; i < DSET2_DIM; i++)
        if(wdata2[i] != rdata2[i]) {
            H5_FAILED();
            printf("    Read different values than written in data set 2.\n");
            printf("    At index %d\n", i);
            TEST_ERROR;
        } /* end if */

    if(H5Sclose(space1) < 0)
        TEST_ERROR;
    if(H5Dclose(dset1) < 0)
        TEST_ERROR;
    if(H5Sclose(space2) < 0)
        TEST_ERROR;
    if(H5Dclose(dset2) < 0)
        TEST_ERROR;

    HDfree(points);
    HDfree(check);

    /* Close and delete the file */
    if(H5Fclose(file) < 0)
        TEST_ERROR;
    h5_delete_test_file(FILENAME[5], fapl);

    /* Close the fapl */
    if(H5Pclose(fapl) < 0)
        TEST_ERROR;

    PASSED();
    return 0;

error:
    H5E_BEGIN_TRY {
        H5Pclose(fapl);
        H5Sclose(space1);
        H5Dclose(dset1);
        H5Sclose(space2);
        H5Dclose(dset2);
        H5Fclose(file);
    } H5E_END_TRY;

    if(points)
        HDfree(points);
    if(check)
        HDfree(check);

    return -1;
#endif /*H5_HAVE_DIRECT*/
}


/*-------------------------------------------------------------------------
 * Function:    test_family_opens
 *
 * Purpose:     Private function for test_family() to tests wrong ways of
 *              reopening family file.
 *
 * Return:      Success:        0
 *              Failure:        -1
 *
 * Programmer:  Raymond Lu
 *              Thursday, May 19, 2005
 *
 *-------------------------------------------------------------------------
 */
static herr_t
test_family_opens(char *fname, hid_t fa_pl)
{
    hid_t file=-1;
    char first_name[1024];
    char wrong_name[1024];
    int i;

    /* Case 1: reopen file with 1st member file name and default property list */
    HDsnprintf(first_name, sizeof(first_name), fname, 0);

    H5E_BEGIN_TRY {
        file = H5Fopen(first_name, H5F_ACC_RDWR, H5P_DEFAULT);
    } H5E_END_TRY;
    if(file >= 0)
        TEST_ERROR

    /* Case 2: reopen file with correct name template but default property list */
    H5E_BEGIN_TRY {
        file = H5Fopen(fname, H5F_ACC_RDWR, H5P_DEFAULT);
    } H5E_END_TRY;
    if(file >= 0)
        TEST_ERROR

    /* Case 3: reopen file with wrong member size */
    if(H5Pset_fapl_family(fa_pl, (hsize_t)128, H5P_DEFAULT) < 0)
        TEST_ERROR;

    H5E_BEGIN_TRY {
        file = H5Fopen(fname, H5F_ACC_RDWR, fa_pl);
    } H5E_END_TRY;
    if(file >= 0)
        TEST_ERROR

    /* Case 4: reopen file with wrong name template */
    HDstrcpy(wrong_name, fname);
    for(i = 0; i < 1024; i++)
        if(wrong_name[i] == '5') {
            wrong_name[i] = '4';
            break;
        }

    if(H5Pset_fapl_family(fa_pl, (hsize_t)FAMILY_SIZE, H5P_DEFAULT) < 0)
        TEST_ERROR;

    H5E_BEGIN_TRY {
        file = H5Fopen(wrong_name, H5F_ACC_RDWR, fa_pl);
    } H5E_END_TRY;
    if(file >= 0)
        TEST_ERROR

    return 0;

error:
    return -1;
} /* end test_family_opens() */


/*-------------------------------------------------------------------------
 * Function:    test_family
 *
 * Purpose:     Tests the file handle interface for FAMILY driver
 *
 * Return:      Success:        0
 *              Failure:        -1
 *
 * Programmer:  Raymond Lu
 *              Tuesday, Sept 24, 2002
 *
 *-------------------------------------------------------------------------
 */
static herr_t
test_family(void)
{
    hid_t       file=-1, fapl=-1, fapl2=-1, space=-1, dset=-1;
    hid_t       access_fapl = -1;
    char        filename[1024];
    char        dname[]="dataset";
    unsigned int i, j;
    int         *fhandle=NULL, *fhandle2=NULL;
    int         buf[FAMILY_NUMBER][FAMILY_SIZE];
    hsize_t     dims[2]={FAMILY_NUMBER, FAMILY_SIZE};
    hsize_t     file_size;

    TESTING("FAMILY file driver");

    /* Set property list and file name for FAMILY driver */
    if((fapl = H5Pcreate(H5P_FILE_ACCESS)) < 0)
        TEST_ERROR;
    if(H5Pset_fapl_family(fapl, (hsize_t)FAMILY_SIZE, H5P_DEFAULT) < 0)
        TEST_ERROR;
    h5_fixname(FILENAME[2], fapl, filename, sizeof(filename));

    if((file=H5Fcreate(filename, H5F_ACC_TRUNC, H5P_DEFAULT, fapl)) < 0)
        TEST_ERROR;

    if(H5Fclose(file) < 0)
        TEST_ERROR;

    /* Test different wrong ways to reopen family files where there's only
     * one member file existing. */
    if(test_family_opens(filename, fapl) < 0)
        TEST_ERROR;

    /* Reopen the file with default member file size */
    if(H5Pset_fapl_family(fapl, (hsize_t)H5F_FAMILY_DEFAULT, H5P_DEFAULT) < 0)
        TEST_ERROR;

    if((file=H5Fopen(filename, H5F_ACC_RDWR, fapl)) < 0)
        TEST_ERROR;

    /* Check file size API */
    if(H5Fget_filesize(file, &file_size) < 0)
        TEST_ERROR;

    /* The file size is supposed to be about 800 bytes right now. */
    if(file_size < (KB / 2) || file_size > KB)
        TEST_ERROR;

    /* Create and write dataset */
    if((space=H5Screate_simple(2, dims, NULL)) < 0)
        TEST_ERROR;

    /* Retrieve the access property list... */
    if ((access_fapl = H5Fget_access_plist(file)) < 0)
        TEST_ERROR;

    /* Check that the driver is correct */
    if(H5FD_FAMILY != H5Pget_driver(access_fapl))
        TEST_ERROR;

    /* ...and close the property list */
    if (H5Pclose(access_fapl) < 0)
        TEST_ERROR;

    if((dset=H5Dcreate2(file, dname, H5T_NATIVE_INT, space, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT)) < 0)
        TEST_ERROR;

    for(i = 0; i < FAMILY_NUMBER; i++)
        for(j = 0; j < FAMILY_SIZE; j++)
            buf[i][j] = (int)((i * 10000) + j);

    if(H5Dwrite(dset, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, buf) < 0)
        TEST_ERROR;

    /* check file handle API */
    if((fapl2 = H5Pcreate(H5P_FILE_ACCESS)) < 0)
        TEST_ERROR;
    if(H5Pset_family_offset(fapl2, (hsize_t)0) < 0)
        TEST_ERROR;

    if(H5Fget_vfd_handle(file, fapl2, (void **)&fhandle) < 0)
        TEST_ERROR;
    if(*fhandle < 0)
        TEST_ERROR;

    if(H5Pset_family_offset(fapl2, (hsize_t)(FAMILY_SIZE*2)) < 0)
        TEST_ERROR;
    if(H5Fget_vfd_handle(file, fapl2, (void **)&fhandle2) < 0)
        TEST_ERROR;
    if(*fhandle2 < 0)
        TEST_ERROR;

    /* Check file size API */
    if(H5Fget_filesize(file, &file_size) < 0)
        TEST_ERROR;

    /* Some data has been written.  The file size should be bigger (18KB+976)
     * bytes if int size is 4 bytes) now. */
#if H5_SIZEOF_INT <= 4
    if(file_size < (18 * KB) || file_size > (20 * KB))
        TEST_ERROR;
#elif H5_SIZEOF_INT >= 8
    if(file_size < (32 * KB) || file_size > (40 * KB))
        TEST_ERROR;
#endif

    if(H5Sclose(space) < 0)
        TEST_ERROR;
    if(H5Dclose(dset) < 0)
        TEST_ERROR;
    if(H5Pclose(fapl2) < 0)
        TEST_ERROR;
    if(H5Fclose(file) < 0)
        TEST_ERROR;

    /* Test different wrong ways to reopen family files when there're multiple
     * member files existing. */
    if(test_family_opens(filename, fapl) < 0)
        TEST_ERROR;

    /* Reopen the file with correct member file size. */
    if(H5Pset_fapl_family(fapl, (hsize_t)FAMILY_SIZE, H5P_DEFAULT) < 0)
        TEST_ERROR;

    if((file = H5Fopen(filename, H5F_ACC_RDWR, fapl)) < 0)
        TEST_ERROR;

    /* Close and delete the file */
    if(H5Fclose(file) < 0)
        TEST_ERROR;
    h5_delete_test_file(FILENAME[2], fapl);

    /* Close the fapl */
    if(H5Pclose(fapl) < 0)
        TEST_ERROR;

    PASSED();
    return 0;

error:
    H5E_BEGIN_TRY {
        H5Sclose(space);
        H5Dclose(dset);
        H5Pclose(fapl);
        H5Pclose(fapl2);
        H5Fclose(file);
    } H5E_END_TRY;
    return -1;
}


/*-------------------------------------------------------------------------
 * Function:    test_family_compat
 *
 * Purpose:     Tests the backward compatibility for FAMILY driver.
 *              See if we can open files created with v1.6 library.
 *              The source file was created by the test/file_handle.c
 *              of the v1.6 library.  Then tools/misc/h5repart.c was
 *              used to concantenated.  The command was "h5repart -m 5k
 *              family_file%05d.h5 family_v16_%05d.h5".
 *
 * Return:      Success:        0
 *              Failure:        -1
 *
 * Programmer:  Raymond Lu
 *              June 3, 2005
 *
 *-------------------------------------------------------------------------
 */
static herr_t
test_family_compat(void)
{
    hid_t       file = -1, fapl = -1;
    hid_t       dset = -1;
    char        dname[]="dataset";
    char        filename[1024];
    char        pathname[1024], pathname_individual[1024];
    char        newname[1024], newname_individual[1024];
    int         counter = 0;

    TESTING("FAMILY file driver backward compatibility");

    /* Set property list and file name for FAMILY driver */
    if((fapl = H5Pcreate(H5P_FILE_ACCESS)) < 0)
        TEST_ERROR;
    if(H5Pset_fapl_family(fapl, (hsize_t)FAMILY_SIZE2, H5P_DEFAULT) < 0)
        TEST_ERROR;

    h5_fixname(COMPAT_BASENAME, fapl, filename, sizeof(filename));
    h5_fixname(FILENAME[3], fapl, newname, sizeof(newname));

    pathname[0] = '\0';
    HDstrcat(pathname, filename);

    /* The following code makes the copies of the family files in the source directory.
     * Since we're going to open the files with write mode, this protects the original
     * files.
     */
    HDsnprintf(newname_individual, sizeof(newname_individual), newname, counter);
    HDsnprintf(pathname_individual, sizeof(pathname_individual), pathname, counter);

    while(h5_make_local_copy(pathname_individual, newname_individual) >= 0) {
        counter++;
        HDsnprintf(newname_individual, sizeof(newname_individual), newname, counter);
        HDsnprintf(pathname_individual, sizeof(pathname_individual), pathname, counter);
    }

    /* Make sure we can open the file.  Use the read and write mode to flush the
     * superblock. */
    if((file = H5Fopen(newname, H5F_ACC_RDWR, fapl)) < 0)
        TEST_ERROR;

    if((dset = H5Dopen2(file, dname, H5P_DEFAULT)) < 0)
        TEST_ERROR;

    if(H5Dclose(dset) < 0)
        TEST_ERROR;

    if(H5Fclose(file) < 0)
        TEST_ERROR;

    /* Open the file again to make sure it isn't corrupted. */
    if((file = H5Fopen(newname, H5F_ACC_RDWR, fapl)) < 0)
        TEST_ERROR;

    if((dset = H5Dopen2(file, dname, H5P_DEFAULT)) < 0)
        TEST_ERROR;

    if(H5Dclose(dset) < 0)
        TEST_ERROR;

    /* Close and delete the file */
    if(H5Fclose(file) < 0)
        TEST_ERROR;
    h5_delete_test_file(FILENAME[3], fapl);

    /* Close the fapl */
    if(H5Pclose(fapl) < 0)
        TEST_ERROR;

    PASSED();

    return 0;

error:
    H5E_BEGIN_TRY {
        H5Fclose(file);
        H5Pclose(fapl);
    } H5E_END_TRY;

    return -1;
} /* end test_family_compat() */


/*-------------------------------------------------------------------------
 * Function:    test_multi_opens
 *
 * Purpose:     Private function for test_multi() to tests wrong ways of
 *              reopening multi file.
 *
 * Return:      Success:        0
 *              Failure:        -1
 *
 * Programmer:  Raymond Lu
 *              Thursday, May 19, 2005
 *
 *-------------------------------------------------------------------------
 */
static herr_t
test_multi_opens(char *fname)
{
    hid_t file=-1;
    char  super_name[1024];     /*name string "%%s-s.h5"*/
    char  sf_name[1024];        /*name string "multi_file-s.h5"*/

    /* Case: reopen with the name of super file and default property list */
    HDsnprintf(super_name, sizeof(super_name), "%%s-%c.h5", 's');
    HDsnprintf(sf_name, sizeof(sf_name), super_name, fname);

    H5E_BEGIN_TRY {
        file = H5Fopen(sf_name, H5F_ACC_RDWR, H5P_DEFAULT);
    } H5E_END_TRY;

    return(file >= 0 ? -1 : 0);
}


/*-------------------------------------------------------------------------
 * Function:    test_multi
 *
 * Purpose:     Tests the file handle interface for MUTLI driver
 *
 * Return:      Success:        0
 *              Failure:        -1
 *
 * Programmer:  Raymond Lu
 *              Tuesday, Sept 24, 2002
 *
 *-------------------------------------------------------------------------
 */
static herr_t
test_multi(void)
{
    hid_t       file=-1, fapl=-1, fapl2=-1, dset=-1, space=-1;
    hid_t       root=-1, attr=-1, aspace=-1, atype=-1;
    hid_t       access_fapl = -1;
    char        filename[1024];
    int         *fhandle2=NULL, *fhandle=NULL;
    hsize_t     file_size;
    H5FD_mem_t  mt, memb_map[H5FD_MEM_NTYPES];
    hid_t       memb_fapl[H5FD_MEM_NTYPES];
    haddr_t     memb_addr[H5FD_MEM_NTYPES];
    const char  *memb_name[H5FD_MEM_NTYPES];
    char        sv[H5FD_MEM_NTYPES][32];
    hsize_t     dims[2]={MULTI_SIZE, MULTI_SIZE};
    hsize_t     adims[1]={1};
    char        dname[]="dataset";
    char        meta[] = "this is some metadata on this file";
    int         i, j;
    int         buf[MULTI_SIZE][MULTI_SIZE];

    TESTING("MULTI file driver");

    /* Set file access property list for MULTI driver */
    if((fapl = H5Pcreate(H5P_FILE_ACCESS)) < 0)
        TEST_ERROR;

    HDmemset(memb_map, 0,  sizeof(memb_map));
    HDmemset(memb_fapl, 0, sizeof(memb_fapl));
    HDmemset(memb_name, 0, sizeof(memb_name));
    HDmemset(memb_addr, 0, sizeof(memb_addr));
    HDmemset(sv, 0, sizeof(sv));

    for(mt=H5FD_MEM_DEFAULT; mt<H5FD_MEM_NTYPES; H5_INC_ENUM(H5FD_mem_t,mt)) {
        memb_fapl[mt] = H5P_DEFAULT;
        memb_map[mt] = H5FD_MEM_SUPER;
    }
    memb_map[H5FD_MEM_DRAW] = H5FD_MEM_DRAW;
    memb_map[H5FD_MEM_BTREE] = H5FD_MEM_BTREE;
    memb_map[H5FD_MEM_GHEAP] = H5FD_MEM_GHEAP;

    sprintf(sv[H5FD_MEM_SUPER], "%%s-%c.h5", 's');
    memb_name[H5FD_MEM_SUPER] = sv[H5FD_MEM_SUPER];
    memb_addr[H5FD_MEM_SUPER] = 0;

    sprintf(sv[H5FD_MEM_BTREE],  "%%s-%c.h5", 'b');
    memb_name[H5FD_MEM_BTREE] = sv[H5FD_MEM_BTREE];
    memb_addr[H5FD_MEM_BTREE] = HADDR_MAX/4;

    sprintf(sv[H5FD_MEM_DRAW], "%%s-%c.h5", 'r');
    memb_name[H5FD_MEM_DRAW] = sv[H5FD_MEM_DRAW];
    memb_addr[H5FD_MEM_DRAW] = HADDR_MAX/2;

    sprintf(sv[H5FD_MEM_GHEAP], "%%s-%c.h5", 'g');
    memb_name[H5FD_MEM_GHEAP] = sv[H5FD_MEM_GHEAP];
    memb_addr[H5FD_MEM_GHEAP] = (HADDR_MAX/4)*3;


    if(H5Pset_fapl_multi(fapl, memb_map, memb_fapl, memb_name, memb_addr, TRUE) < 0)
        TEST_ERROR;
    h5_fixname(FILENAME[4], fapl, filename, sizeof filename);

    if((file=H5Fcreate(filename, H5F_ACC_TRUNC, H5P_DEFAULT, fapl)) < 0)
        TEST_ERROR;

    if(H5Fclose(file) < 0)
        TEST_ERROR;


    /* Test wrong ways to reopen multi files */
    if(test_multi_opens(filename) < 0)
        TEST_ERROR;

    /* Reopen the file */
    if((file = H5Fopen(filename, H5F_ACC_RDWR, fapl)) < 0)
        TEST_ERROR;

    /* Create and write data set */
    if((space = H5Screate_simple(2, dims, NULL)) < 0)
        TEST_ERROR;

    /* Retrieve the access property list... */
    if ((access_fapl = H5Fget_access_plist(file)) < 0)
        TEST_ERROR;

    /* Check that the driver is correct */
    if(H5FD_MULTI != H5Pget_driver(access_fapl))
        TEST_ERROR;

    /* ...and close the property list */
    if (H5Pclose(access_fapl) < 0)
        TEST_ERROR;

    /* Check file size API */
    if(H5Fget_filesize(file, &file_size) < 0)
        TEST_ERROR;

    /* Before any data is written, the raw data file is empty.  So
     * the file size is only the size of b-tree + HADDR_MAX/4.
     */
    if(file_size < HADDR_MAX/4 || file_size > HADDR_MAX/2)
        TEST_ERROR;

    if((dset=H5Dcreate2(file, dname, H5T_NATIVE_INT, space, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT)) < 0)
        TEST_ERROR;

    for(i=0; i<MULTI_SIZE; i++)
        for(j=0; j<MULTI_SIZE; j++)
            buf[i][j] = i*10000+j;
    if(H5Dwrite(dset, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, buf) < 0)
        TEST_ERROR;

    if((fapl2=H5Pcreate(H5P_FILE_ACCESS)) < 0)
        TEST_ERROR;
    if(H5Pset_multi_type(fapl2, H5FD_MEM_SUPER) < 0)
        TEST_ERROR;
    if(H5Fget_vfd_handle(file, fapl2, (void **)&fhandle) < 0)
        TEST_ERROR;
    if(*fhandle<0)
        TEST_ERROR;

    if(H5Pset_multi_type(fapl2, H5FD_MEM_DRAW) < 0)
        TEST_ERROR;
    if(H5Fget_vfd_handle(file, fapl2, (void **)&fhandle2) < 0)
        TEST_ERROR;
    if(*fhandle2<0)
        TEST_ERROR;

    /* Check file size API */
    if(H5Fget_filesize(file, &file_size) < 0)
        TEST_ERROR;

    /* After the data is written, the file size is huge because the
     * beginning of raw data file is set at HADDR_MAX/2.  It's supposed
     * to be (HADDR_MAX/2 + 128*128*4)
     */
    if(file_size < HADDR_MAX/2 || file_size > HADDR_MAX)
        TEST_ERROR;

    if(H5Sclose(space) < 0)
        TEST_ERROR;
    if(H5Dclose(dset) < 0)
        TEST_ERROR;
    if(H5Pclose(fapl2) < 0)
        TEST_ERROR;

    /* Create and write attribute for the root group. */
    if((root = H5Gopen2(file, "/", H5P_DEFAULT)) < 0)
        TEST_ERROR

    /* Attribute string. */
    if((atype = H5Tcopy(H5T_C_S1)) < 0)
        TEST_ERROR;

    if(H5Tset_size(atype, strlen(meta) + 1) < 0)
        TEST_ERROR;

    if(H5Tset_strpad(atype, H5T_STR_NULLTERM) < 0)
        TEST_ERROR;

    /* Create and write attribute */
    if((aspace = H5Screate_simple(1, adims, NULL)) < 0)
        TEST_ERROR;

    if((attr = H5Acreate2(root, "Metadata", atype, aspace, H5P_DEFAULT, H5P_DEFAULT)) < 0)
        TEST_ERROR;

    if(H5Awrite(attr, atype, meta) < 0)
        TEST_ERROR;

    /* Close IDs */
    if(H5Tclose(atype) < 0)
        TEST_ERROR;
    if(H5Sclose(aspace) < 0)
        TEST_ERROR;
    if(H5Aclose(attr) < 0)
        TEST_ERROR;

    /* Close and delete the file */
    if(H5Fclose(file) < 0)
        TEST_ERROR;
    h5_delete_test_file(FILENAME[4], fapl);

    /* Close the fapl */
    if(H5Pclose(fapl) < 0)
        TEST_ERROR;

    PASSED();

    return 0;

error:
    H5E_BEGIN_TRY {
        H5Sclose(space);
        H5Dclose(dset);
        H5Pclose(fapl);
        H5Pclose(fapl2);
        H5Fclose(file);
    } H5E_END_TRY;
    return -1;
}


/*-------------------------------------------------------------------------
 * Function:    test_multi_compat
 *
 * Purpose:     Tests the backward compatibility for MULTI driver.
 *              See if we can open files created with v1.6 library.
 *              The source file was created by the test/file_handle.c
 *              of the v1.6 library.  This test verifies the fix for 
 *              Issue 2598. In v1.6 library, there was EOA for the whole
 *              MULTI file saved in the super block.  We took it out in
 *              v1.8 library because it's meaningless for the MULTI file.
 *              v1.8 library saves the EOA for the metadata file, instead.
 *
 * Return:      Success:        0
 *              Failure:        -1
 *
 * Programmer:  Raymond Lu
 *              21 June 2011
 *
 *-------------------------------------------------------------------------
 */
static herr_t
test_multi_compat(void)
{
    hid_t       file=-1, fapl=-1, dset=-1, space=-1;
    char        newname[1024];
    char        filename_s[1024], newname_s[1024];
    char        filename_r[1024], newname_r[1024];
    H5FD_mem_t  mt, memb_map[H5FD_MEM_NTYPES];
    hid_t       memb_fapl[H5FD_MEM_NTYPES];
    haddr_t     memb_addr[H5FD_MEM_NTYPES];
    const char  *memb_name[H5FD_MEM_NTYPES];
    char        sv[H5FD_MEM_NTYPES][32];
    hsize_t     dims[2]={MULTI_SIZE, MULTI_SIZE};
    int         i, j;
    int         buf[MULTI_SIZE][MULTI_SIZE];

    TESTING("MULTI file driver backward compatibility");

    /* Set file access property list for MULTI driver */
    if((fapl = H5Pcreate(H5P_FILE_ACCESS)) < 0)
        TEST_ERROR;

    HDmemset(memb_map, 0,  sizeof memb_map);
    HDmemset(memb_fapl, 0, sizeof memb_fapl);
    HDmemset(memb_name, 0, sizeof memb_name);
    HDmemset(memb_addr, 0, sizeof memb_addr);
    HDmemset(sv, 0, sizeof sv);

    for(mt=H5FD_MEM_DEFAULT; mt<H5FD_MEM_NTYPES; H5_INC_ENUM(H5FD_mem_t,mt))
        memb_map[mt] = H5FD_MEM_SUPER;
    memb_map[H5FD_MEM_DRAW] = H5FD_MEM_DRAW;

    memb_fapl[H5FD_MEM_SUPER] = H5P_DEFAULT;
    sprintf(sv[H5FD_MEM_SUPER], "%%s-%c.h5", 's');
    memb_name[H5FD_MEM_SUPER] = sv[H5FD_MEM_SUPER];
    memb_addr[H5FD_MEM_SUPER] = 0;

    memb_fapl[H5FD_MEM_DRAW] = H5P_DEFAULT;
    sprintf(sv[H5FD_MEM_DRAW], "%%s-%c.h5", 'r');
    memb_name[H5FD_MEM_DRAW] = sv[H5FD_MEM_DRAW];
    memb_addr[H5FD_MEM_DRAW] = HADDR_MAX/2;

    if(H5Pset_fapl_multi(fapl, memb_map, memb_fapl, memb_name, memb_addr, TRUE)<0)
        TEST_ERROR;

    h5_fixname(FILENAME[9], fapl, newname, sizeof newname);

    /* Make copy for the data file in the build directory, to protect the 
     * original file in the source directory */
    sprintf(filename_s, "%s-%c.h5", MULTI_COMPAT_BASENAME, 's');
    sprintf(newname_s, "%s-%c.h5", FILENAME[9], 's');
    h5_make_local_copy(filename_s, newname_s);

    sprintf(filename_r, "%s-%c.h5", MULTI_COMPAT_BASENAME, 'r');
    sprintf(newname_r, "%s-%c.h5", FILENAME[9], 'r');
    h5_make_local_copy(filename_r, newname_r);

    /* Reopen the file for read only.  Verify 1.8 library can open file
     * created with 1.6 library. */
    if((file=H5Fopen(newname, H5F_ACC_RDONLY, fapl)) < 0)
        TEST_ERROR;

    if((dset = H5Dopen2(file, DSET1_NAME, H5P_DEFAULT)) < 0)
        TEST_ERROR;

    if(H5Dclose(dset) < 0)
        TEST_ERROR;

    if(H5Fclose(file) < 0)
        TEST_ERROR;

    /* Make sure we can reopen the file for read and write */
    if((file=H5Fopen(newname, H5F_ACC_RDWR, fapl)) < 0)
        TEST_ERROR;

    if((dset = H5Dopen2(file, DSET1_NAME, H5P_DEFAULT)) < 0)
        TEST_ERROR;

    if(H5Dclose(dset) < 0)
        TEST_ERROR;

    if(H5Fclose(file) < 0)
        TEST_ERROR;

    /* Reopen the file for adding another dataset. The new EOA for metadata file 
     * should be written to the file */
    if((file=H5Fopen(newname, H5F_ACC_RDWR, fapl)) < 0)
        TEST_ERROR;

    /* Create and write data set */
    if((space=H5Screate_simple(2, dims, NULL)) < 0)
        TEST_ERROR;

    if((dset=H5Dcreate2(file, DSET3_NAME, H5T_NATIVE_INT, space, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT)) < 0)
        TEST_ERROR;

    for(i=0; i<MULTI_SIZE; i++)
        for(j=0; j<MULTI_SIZE; j++)
            buf[i][j] = i*10000+j;
    if(H5Dwrite(dset, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, buf) < 0)
        TEST_ERROR;

    if(H5Dclose(dset) < 0)
        TEST_ERROR;

    if(H5Sclose(space) < 0)
        TEST_ERROR;

    if(H5Fclose(file) < 0)
        TEST_ERROR;

    /* Reopen the file for read only again. Verify the library can handle 
     * the EOA correctly */
    if((file=H5Fopen(newname, H5F_ACC_RDONLY, fapl)) < 0)
        TEST_ERROR;

    if((dset = H5Dopen2(file, DSET1_NAME, H5P_DEFAULT)) < 0)
        TEST_ERROR;

    if(H5Dclose(dset) < 0)
        TEST_ERROR;

    if((dset = H5Dopen2(file, DSET3_NAME, H5P_DEFAULT)) < 0)
        TEST_ERROR;

    if(H5Dclose(dset) < 0)
        TEST_ERROR;

    /* Close and delete the file */
    if(H5Fclose(file) < 0)
        TEST_ERROR;
    h5_delete_test_file(FILENAME[9], fapl);

    /* Close the fapl */
    if(H5Pclose(fapl) < 0)
        TEST_ERROR;

    PASSED();

    return 0;

error:
    H5E_BEGIN_TRY {
        H5Sclose(space);
        H5Dclose(dset);
        H5Pclose(fapl);
        H5Fclose(file);
    } H5E_END_TRY;
    return -1;
}


/*-------------------------------------------------------------------------
 * Function:    test_log
 *
 * Purpose:     Tests the file handle interface for log driver
 *
 * Return:      Success:        0
 *              Failure:        -1
 *
 * Programmer:  Dana Robinson
 *              Tuesday, March 22, 2011
 *
 *-------------------------------------------------------------------------
 */
static herr_t
test_log(void)
{
    hid_t        file            = -1;
    hid_t        fapl            = -1;
    hid_t        access_fapl     = -1;
    char         filename[1024];
    int          *fhandle        = NULL;
    hsize_t      file_size       = 0;
    unsigned int flags           = H5FD_LOG_ALL;
    size_t       buf_size        = 4 * KB;

    TESTING("LOG file driver");

    /* Set property list and file name for log driver. */
    if((fapl = H5Pcreate(H5P_FILE_ACCESS)) < 0)
        TEST_ERROR;
    if(H5Pset_fapl_log(fapl, LOG_FILENAME, flags, buf_size) < 0)
        TEST_ERROR;
    h5_fixname(FILENAME[6], fapl, filename, sizeof filename);

    /* Create the test file */
    if((file = H5Fcreate(filename, H5F_ACC_TRUNC, H5P_DEFAULT, fapl)) < 0)
        TEST_ERROR;

    /* Retrieve the access property list... */
    if((access_fapl = H5Fget_access_plist(file)) < 0)
        TEST_ERROR;

    /* Check that the driver is correct */
    if(H5FD_LOG != H5Pget_driver(access_fapl))
        TEST_ERROR;

    /* ...and close the property list */
    if(H5Pclose(access_fapl) < 0)
        TEST_ERROR;

    /* Check file handle API */
    if(H5Fget_vfd_handle(file, H5P_DEFAULT, (void **)&fhandle) < 0)
        TEST_ERROR;
    if(*fhandle < 0)
        TEST_ERROR;

    /* Check file size API */
    if(H5Fget_filesize(file, &file_size) < 0)
        TEST_ERROR;

    /* There is no guarantee the size of metadata in file is constant.
     * Just try to check if it's reasonable.  It's 2KB right now.
     */
    if(file_size < 1 * KB || file_size > 4 * KB)
        TEST_ERROR;

    /* Close and delete the file */
    if(H5Fclose(file) < 0)
        TEST_ERROR;
    h5_delete_test_file(FILENAME[6], fapl);

    /* Close the fapl */
    if(H5Pclose(fapl) < 0)
        TEST_ERROR;

    PASSED();
    return 0;

error:
    H5E_BEGIN_TRY {
        H5Pclose(fapl);
        H5Fclose(file);
    } H5E_END_TRY;
    return -1;
}


/*-------------------------------------------------------------------------
 * Function:    test_stdio
 *
 * Purpose:     Tests the file handle interface for STDIO driver
 *
 * Return:      Success:        0
 *              Failure:        -1
 *
 * Programmer:  Dana Robinson
 *              Tuesday, March 22, 2011
 *
 *-------------------------------------------------------------------------
 */
static herr_t
test_stdio(void)
{
    hid_t        file            = -1;
    hid_t        fapl            = -1;
    hid_t        access_fapl     = -1;
    char         filename[1024];
    FILE         *fhandle        = NULL;
    hsize_t      file_size       = 0;

    TESTING("STDIO file driver");

    /* Set property list and file name for STDIO driver. */
    if((fapl = H5Pcreate(H5P_FILE_ACCESS)) < 0)
        TEST_ERROR;
    if(H5Pset_fapl_stdio(fapl) < 0)
        TEST_ERROR;
    h5_fixname(FILENAME[7], fapl, filename, sizeof filename);

    if((file = H5Fcreate(filename, H5F_ACC_TRUNC, H5P_DEFAULT, fapl)) < 0)
        TEST_ERROR;

    /* Retrieve the access property list... */
    if((access_fapl = H5Fget_access_plist(file)) < 0)
        TEST_ERROR;

    /* Check that the driver is correct */
    if(H5FD_STDIO != H5Pget_driver(access_fapl))
        TEST_ERROR;

    /* ...and close the property list */
    if(H5Pclose(access_fapl) < 0)
        TEST_ERROR;

    /* Check file handle API */
    if(H5Fget_vfd_handle(file, H5P_DEFAULT, (void **)&fhandle) < 0)
        TEST_ERROR;
    if(NULL == fhandle)
        TEST_ERROR;

    /* Check file size API */
    if(H5Fget_filesize(file, &file_size) < 0)
        TEST_ERROR;

    /* There is no guarantee the size of metadata in file is constant.
     * Just try to check if it's reasonable.  It's 2KB right now.
     */
    if(file_size < 1 * KB || file_size > 4 * KB)
        TEST_ERROR;

    /* Close and delete the file */
    if(H5Fclose(file) < 0)
        TEST_ERROR;
    h5_delete_test_file(FILENAME[7], fapl);

    /* Close the fapl */
    if(H5Pclose(fapl) < 0)
        TEST_ERROR;

    PASSED();
    return 0;

error:
    H5E_BEGIN_TRY {
        H5Pclose(fapl);
        H5Fclose(file);
    } H5E_END_TRY;
    return -1;
}



/*-------------------------------------------------------------------------
 * Function:    test_windows
 *
 * Purpose:     Tests the file handle interface for WINDOWS driver
 *
 * Return:      Success:        0
 *              Failure:        -1
 *
 * Programmer:  Dana Robinson
 *              Tuesday, March 22, 2011
 *
 *-------------------------------------------------------------------------
 */
static herr_t
test_windows(void)
{
#ifdef H5_HAVE_WINDOWS

    hid_t        file            = -1;
    hid_t        fapl            = -1;
    hid_t        access_fapl     = -1;
    char         filename[1024];
    int          *fhandle        = NULL;
    hsize_t      file_size       = 0;

#endif /*H5_HAVE_WINDOWS*/

    TESTING("WINDOWS file driver");

#ifndef H5_HAVE_WINDOWS

    SKIPPED();
    return 0;

#else /* H5_HAVE_WINDOWS */

    /* Set property list and file name for WINDOWS driver. */
    if((fapl = H5Pcreate(H5P_FILE_ACCESS)) < 0)
        TEST_ERROR;
    if(H5Pset_fapl_windows(fapl) < 0)
        TEST_ERROR;
    h5_fixname(FILENAME[8], fapl, filename, sizeof filename);

    if((file = H5Fcreate(filename, H5F_ACC_TRUNC, H5P_DEFAULT, fapl)) < 0)
        TEST_ERROR;

    /* Retrieve the access property list... */
    if((access_fapl = H5Fget_access_plist(file)) < 0)
        TEST_ERROR;

    /* Check that the driver is correct */
    if(H5FD_WINDOWS!= H5Pget_driver(access_fapl))
        TEST_ERROR;

    /* ...and close the property list */
    if(H5Pclose(access_fapl) < 0)
        TEST_ERROR;

    /* Check file handle API */
    if(H5Fget_vfd_handle(file, H5P_DEFAULT, (void **)&fhandle) < 0)
        TEST_ERROR;
    if(*fhandle < 0)
        TEST_ERROR;

    /* Check file size API */
    if(H5Fget_filesize(file, &file_size) < 0)
        TEST_ERROR;

    /* There is no guarantee the size of metadata in file is constant.
     * Just try to check if it's reasonable.  It's 2KB right now.
     */
    if(file_size < 1 * KB || file_size > 4 * KB)
        TEST_ERROR;

   /* Close and delete the file */
    if(H5Fclose(file) < 0)
        TEST_ERROR;
    h5_delete_test_file(FILENAME[8], fapl);

    /* Close the fapl */
    if(H5Pclose(fapl) < 0)
        TEST_ERROR;

    PASSED();
    return 0;

error:
    H5E_BEGIN_TRY {
        H5Pclose(fapl);
        H5Fclose(file);
    } H5E_END_TRY;
    return -1;

#endif /* H5_HAVE_WINDOWS */
} /* end test_windows() */



/*-------------------------------------------------------------------------
 * Function:    main
 *
 * Purpose:     Tests the basic features of Virtual File Drivers
 *
 * Return:      Success:        0
 *              Failure:        1
 *
 * Programmer:  Raymond Lu
 *              Tuesday, Sept 24, 2002
 *
 *-------------------------------------------------------------------------
 */
int
main(void)
{
    int nerrors = 0;

    h5_reset();

    HDprintf("Testing basic Virtual File Driver functionality.\n");

    nerrors += test_sec2() < 0           ? 1 : 0;
    nerrors += test_core() < 0           ? 1 : 0;
    nerrors += test_direct() < 0         ? 1 : 0;
    nerrors += test_family() < 0         ? 1 : 0;
    nerrors += test_family_compat() < 0  ? 1 : 0;
    nerrors += test_multi() < 0          ? 1 : 0;
    nerrors += test_multi_compat() < 0   ? 1 : 0;
    nerrors += test_log() < 0            ? 1 : 0;
    nerrors += test_stdio() < 0          ? 1 : 0;
    nerrors += test_windows() < 0        ? 1 : 0;

    if(nerrors) {
        HDprintf("***** %d Virtual File Driver TEST%s FAILED! *****\n",
            nerrors, nerrors > 1 ? "S" : "");
        return 1;
    } /* end if */

    HDprintf("All Virtual File Driver tests passed.\n");

    return 0;
} /* end main() */