File: theap.c

package info (click to toggle)
hdf5 1.8.13%2Bdocs-15%2Bdeb8u1
  • links: PTS, VCS
  • area: main
  • in suites: jessie
  • size: 171,908 kB
  • ctags: 30,335
  • sloc: ansic: 387,195; f90: 35,195; sh: 20,035; xml: 17,780; cpp: 13,516; makefile: 1,487; perl: 1,299; yacc: 327; lex: 178; ruby: 37
file content (1051 lines) | stat: -rw-r--r-- 34,801 bytes parent folder | download | duplicates (4)
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
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 * 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.     *
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

/*
   Test HDF Heap routines.

   REMARKS

   DESIGN

   BUGS/LIMITATIONS

   EXPORTED ROUTINES

   AUTHOR
       Quincey Koziol

   MODIFICATION HISTORY
       2/18/03 - Started coding
 */

#include <time.h>
#include <stdlib.h>

#include "testhdf5.h"
#include "H5HPprivate.h"

/* The number of elements in testing arrays */
#define NUM_ELEMS       1000

/* Objects for testing in heaps */
typedef struct test_obj {
    H5HP_info_t heap_info;      /* Information required for heap.  _MUST_ be first */
    int val;                    /* Actual information for object */
} test_obj;

/* Array of random element values */
static test_obj rand_num[NUM_ELEMS];

/* Array of random elements values, sorted in increasing order */
static test_obj inc_sort_num[NUM_ELEMS];

/* Array of random elements values, sorted in decreasing order */
static test_obj dec_sort_num[NUM_ELEMS];

static int tst_dec_sort(const void *_i1, const void *_i2)
{
    const test_obj *i1=(const test_obj *)_i1;
    const test_obj *i2=(const test_obj *)_i2;

    if(i1->val<i2->val)
        return(1);
    else if(i1->val>i2->val)
        return(-1);
    return(0);
}

static int tst_inc_sort(const void *_i1, const void *_i2)
{
    const test_obj *i1=(const test_obj *)_i1;
    const test_obj *i2=(const test_obj *)_i2;

    if(i1->val<i2->val)
        return(-1);
    else if(i1->val>i2->val)
        return(1);
    return(0);
}

/****************************************************************
**
**  test_heap_init(): Test H5HP (heap) code.
**      Initialize data for Heap testing
**
****************************************************************/
static void
test_heap_init(void)
{
    time_t curr_time;   /* Current time, for seeding random number generator */
    size_t u;           /* Local index variables */

    /* Create randomized set of numbers */
    curr_time=time(NULL);
    HDsrandom((unsigned)curr_time);
    for(u=0; u<NUM_ELEMS; u++)
        /* Generate random numbers from -1000 to 1000 */
        rand_num[u].val=(int)(HDrandom()%2001)-1001;

    /* Sort random numbers into increasing order */
    HDmemcpy(inc_sort_num,rand_num,sizeof(test_obj)*NUM_ELEMS);
    HDqsort(inc_sort_num, (size_t)NUM_ELEMS, sizeof(test_obj), tst_inc_sort);

    /* Sort random numbers into decreasing order */
    HDmemcpy(dec_sort_num,rand_num,sizeof(test_obj)*NUM_ELEMS);
    HDqsort(dec_sort_num, (size_t)NUM_ELEMS, sizeof(test_obj), tst_dec_sort);
} /* end test_tst_init() */

/****************************************************************
**
**  test_heap_create(): Test basic H5HP (heap) code.
**      Tests creating and closing heaps.
**
****************************************************************/
static void
test_heap_create(void)
{
    H5HP_t *heap;       /* Heap created */
    herr_t ret;         /* Generic return value */

    /* Output message about test being performed */
    MESSAGE(6, ("Testing Creating & Closing Heaps\n"));

    /* Try creating a maximum Heap */
    heap=H5HP_create(H5HP_MAX_HEAP);
    CHECK(heap, NULL, "H5HP_create");

    /* Try closing the heap */
    ret=H5HP_close(heap);
    CHECK(ret, FAIL, "H5HP_close");

    /* Try creating a minimum Heap */
    heap=H5HP_create(H5HP_MIN_HEAP);
    CHECK(heap, NULL, "H5HP_create");

    /* Try closing the heap */
    ret=H5HP_close(heap);
    CHECK(ret, FAIL, "H5HP_close");

} /* end test_heap_create() */

/****************************************************************
**
**  test_heap_insert_min(): Test H5HP (heap) code.
**      Tests basic inserting objects into minimum heaps.
**
****************************************************************/
static void
test_heap_insert_min(void)
{
    H5HP_t *heap;       /* Heap created */
    ssize_t num;        /* Number of elements in heap */
    int val;            /* Value of object on heap */
    test_obj obj1, obj2, obj3;  /* Test objects to insert */
    herr_t ret;         /* Generic return value */

    /* Output message about test being performed */
    MESSAGE(7, ("Testing Inserting Into Minimum Heaps\n"));

    /* Create a Heap */
    heap=H5HP_create(H5HP_MIN_HEAP);
    CHECK(heap, NULL, "H5HP_create");

    /* Check that the heap has no elements */
    num=H5HP_count(heap);
    VERIFY(num, 0, "H5HP_count");

    /* Insert an object into the heap */
    obj1.val=100;
    ret=H5HP_insert(heap,10,&obj1);
    CHECK(ret, FAIL, "H5HP_insert");

    /* Check that the heap has one element */
    num=H5HP_count(heap);
    VERIFY(num, 1, "H5HP_count");

    /* Check the minimum value on the heap */
    ret=H5HP_top(heap, &val);
    CHECK(ret, FAIL, "H5HP_top");
    VERIFY(val, 10, "H5HP_top");

    /* Insert another object into the heap, with value less than top element */
    obj2.val=50;
    ret=H5HP_insert(heap,5,&obj2);
    CHECK(ret, FAIL, "H5HP_insert");

    /* Check that the heap has two elements */
    num=H5HP_count(heap);
    VERIFY(num, 2, "H5HP_count");

    /* Check the minimum value on the heap */
    ret=H5HP_top(heap, &val);
    CHECK(ret, FAIL, "H5HP_top");
    VERIFY(val, 5, "H5HP_top");

    /* Insert third object into the heap, with value greater than top element */
    obj3.val=200;
    ret=H5HP_insert(heap,20,&obj3);
    CHECK(ret, FAIL, "H5HP_insert");

    /* Check that the heap has three elements */
    num=H5HP_count(heap);
    VERIFY(num, 3, "H5HP_count");

    /* Check the minimum value on the heap */
    ret=H5HP_top(heap, &val);
    CHECK(ret, FAIL, "H5HP_top");
    VERIFY(val, 5, "H5HP_top");

    /* Close the heap */
    ret=H5HP_close(heap);
    CHECK(ret, FAIL, "H5HP_close");

} /* end test_heap_insert_min() */

/****************************************************************
**
**  test_heap_insert(): Test H5HP (heap) code.
**      Tests basic inserting objects into maximum heaps.
**
****************************************************************/
static void
test_heap_insert_max(void)
{
    H5HP_t *heap;       /* Heap created */
    ssize_t num;        /* Number of elements in heap */
    int val;            /* Value of object on heap */
    test_obj obj1, obj2, obj3;  /* Test objects to insert */
    herr_t ret;         /* Generic return value */

    /* Output message about test being performed */
    MESSAGE(7, ("Testing Inserting Into Maximum Heaps\n"));

    /* Create a Heap */
    heap=H5HP_create(H5HP_MAX_HEAP);
    CHECK(heap, NULL, "H5HP_create");

    /* Check that the heap has no elements */
    num=H5HP_count(heap);
    VERIFY(num, 0, "H5HP_count");

    /* Insert an object into the heap */
    obj1.val=100;
    ret=H5HP_insert(heap,10,&obj1);
    CHECK(ret, FAIL, "H5HP_insert");

    /* Check that the heap has one element */
    num=H5HP_count(heap);
    VERIFY(num, 1, "H5HP_count");

    /* Check the maximum value on the heap */
    ret=H5HP_top(heap, &val);
    CHECK(ret, FAIL, "H5HP_top");
    VERIFY(val, 10, "H5HP_top");

    /* Insert another object into the heap, with value less than top element */
    obj2.val=50;
    ret=H5HP_insert(heap,5,&obj2);
    CHECK(ret, FAIL, "H5HP_insert");

    /* Check that the heap has two elements */
    num=H5HP_count(heap);
    VERIFY(num, 2, "H5HP_count");

    /* Check the maximum value on the heap */
    ret=H5HP_top(heap, &val);
    CHECK(ret, FAIL, "H5HP_top");
    VERIFY(val, 10, "H5HP_top");

    /* Insert third object into the heap, with value greater than top element */
    obj3.val=200;
    ret=H5HP_insert(heap,20,&obj3);
    CHECK(ret, FAIL, "H5HP_insert");

    /* Check that the heap has three elements */
    num=H5HP_count(heap);
    VERIFY(num, 3, "H5HP_count");

    /* Check the maximum value on the heap */
    ret=H5HP_top(heap, &val);
    CHECK(ret, FAIL, "H5HP_top");
    VERIFY(val, 20, "H5HP_top");

    /* Close the heap */
    ret=H5HP_close(heap);
    CHECK(ret, FAIL, "H5HP_close");

} /* end test_heap_insert_max() */

/****************************************************************
**
**  test_heap_insert(): Test H5HP (heap) code.
**      Tests basic inserting objects into heaps.
**
****************************************************************/
static void
test_heap_insert(void)
{
    /* Output message about test being performed */
    MESSAGE(6, ("Testing Inserting Into Heaps\n"));

    /* Test insertions into minimum & maximum heaps */
    test_heap_insert_max();
    test_heap_insert_min();
} /* end test_heap_insert() */

/****************************************************************
**
**  test_heap_insert_many_core (): Tests H5HP (heap) code.
**      "Core" routine called by test_heap_insert_many() routine.
**
****************************************************************/
static void
test_heap_insert_many_core(H5HP_type_t heap_type, test_obj *arr, size_t nelem, int top_val)
{
    H5HP_t *heap;       /* Heap created */
    ssize_t num;        /* Number of elements in heap */
    int val;            /* Value of object on heap */
    size_t u;           /* Local index variable */
    herr_t ret;         /* Generic return value */

    /* Create a Heap */
    heap=H5HP_create(heap_type);
    CHECK(heap, NULL, "H5HP_create");

    /* Check that the heap has no elements */
    num=H5HP_count(heap);
    VERIFY(num, 0, "H5HP_count");

    /* Insert the array elements into the heap */
    for(u=0; u<nelem; u++) {
        ret=H5HP_insert(heap,arr[u].val,&arr[u]);
        CHECK(ret, FAIL, "H5HP_insert");
    } /* end for */

    /* Check that the heap has correct number of elements */
    num=H5HP_count(heap);
    CHECK(num, FAIL, "H5HP_count");
    VERIFY((size_t)num, nelem, "H5HP_count");

    /* Check the maximum value on the heap */
    ret=H5HP_top(heap, &val);
    CHECK(ret, FAIL, "H5HP_top");
    VERIFY(val, top_val, "H5HP_top");

    /* Close the heap */
    ret=H5HP_close(heap);
    CHECK(ret, FAIL, "H5HP_close");
} /* end test_heap_insert_many_core() */

/****************************************************************
**
**  test_heap_insert_many (): Test H5HP (heap) code.
**      Tests inserting many objects into heaps.
**
****************************************************************/
static void
test_heap_insert_many(void)
{
    /* Output message about test being performed */
    MESSAGE(6, ("Testing Inserting Many Objects Into Heaps\n"));

    /* Test creating a heap from random elements */
    test_heap_insert_many_core(H5HP_MAX_HEAP, rand_num, (size_t)NUM_ELEMS, dec_sort_num[0].val);

    /* Test creating a heap from elements in increasing order */
    test_heap_insert_many_core(H5HP_MAX_HEAP, inc_sort_num, (size_t)NUM_ELEMS, dec_sort_num[0].val);

    /* Test creating a heap from elements in decreasing order */
    test_heap_insert_many_core(H5HP_MAX_HEAP, dec_sort_num, (size_t)NUM_ELEMS, dec_sort_num[0].val);

    /* Test creating a heap from random elements */
    test_heap_insert_many_core(H5HP_MIN_HEAP, rand_num, (size_t)NUM_ELEMS, inc_sort_num[0].val);

    /* Test creating a heap from elements in increasing order */
    test_heap_insert_many_core(H5HP_MIN_HEAP, inc_sort_num, (size_t)NUM_ELEMS, inc_sort_num[0].val);

    /* Test creating a heap from elements in decreasing order */
    test_heap_insert_many_core(H5HP_MIN_HEAP, dec_sort_num, (size_t)NUM_ELEMS, inc_sort_num[0].val);

} /* end test_heap_insert_many() */

/****************************************************************
**
**  test_heap_remove_min(): Test H5HP (heap) code.
**      Tests basic removal of objects from minimum heaps.
**
****************************************************************/
static void
test_heap_remove_min(void)
{
    H5HP_t *heap;       /* Heap created */
    ssize_t num;        /* Number of elements in heap */
    int val;            /* Value of object on heap */
    void *ptr;          /* Pointer for object on heap */
    test_obj obj1, obj2, obj3;  /* Test objects to insert */
    herr_t ret;         /* Generic return value */

    /* Output message about test being performed */
    MESSAGE(7, ("Testing Removing From Minimum Heaps\n"));

    /* Create a Heap */
    heap=H5HP_create(H5HP_MIN_HEAP);
    CHECK(heap, NULL, "H5HP_create");

    /* Check that the heap has no elements */
    num=H5HP_count(heap);
    VERIFY(num, 0, "H5HP_count");

    /* Try removing an object from an empty heap */
    ret=H5HP_remove(heap,&val,&ptr);
    VERIFY(ret, FAIL, "H5HP_remove");

    /* Insert an object into the heap */
    obj1.val=100;
    ret=H5HP_insert(heap,10,&obj1);
    CHECK(ret, FAIL, "H5HP_insert");

    /* Insert another object into the heap, with value less than top element */
    obj2.val=50;
    ret=H5HP_insert(heap,5,&obj2);
    CHECK(ret, FAIL, "H5HP_insert");

    /* Insert third object into the heap, with value greater than top element */
    obj3.val=200;
    ret=H5HP_insert(heap,20,&obj3);
    CHECK(ret, FAIL, "H5HP_insert");

    /* Remove first maximum value from heap */
    ret=H5HP_remove(heap,&val,&ptr);
    CHECK(ret, FAIL, "H5HP_remove");
    VERIFY(val, 5, "H5HP_remove");
    VERIFY(ptr, &obj2, "H5HP_remove");

    /* Remove second maximum value from heap */
    ret=H5HP_remove(heap,&val,&ptr);
    CHECK(ret, FAIL, "H5HP_remove");
    VERIFY(val, 10, "H5HP_remove");
    VERIFY(ptr, &obj1, "H5HP_remove");

    /* Remove third maximum value from heap */
    ret=H5HP_remove(heap,&val,&ptr);
    CHECK(ret, FAIL, "H5HP_remove");
    VERIFY(val, 20, "H5HP_remove");
    VERIFY(ptr, &obj3, "H5HP_remove");

    /* Try removing an object from an empty heap */
    ret=H5HP_remove(heap,&val,&ptr);
    VERIFY(ret, FAIL, "H5HP_remove");

    /* Close the heap */
    ret=H5HP_close(heap);
    CHECK(ret, FAIL, "H5HP_close");

} /* end test_heap_remove_min() */

/****************************************************************
**
**  test_heap_remove_max(): Test H5HP (heap) code.
**      Tests basic removal of objects from maximum heaps.
**
****************************************************************/
static void
test_heap_remove_max(void)
{
    H5HP_t *heap;       /* Heap created */
    ssize_t num;        /* Number of elements in heap */
    int val;            /* Value of object on heap */
    void *ptr;          /* Pointer for object on heap */
    test_obj obj1, obj2, obj3;  /* Test objects to insert */
    herr_t ret;         /* Generic return value */

    /* Output message about test being performed */
    MESSAGE(7, ("Testing Removing From Maximum Heaps\n"));

    /* Create a Heap */
    heap=H5HP_create(H5HP_MAX_HEAP);
    CHECK(heap, NULL, "H5HP_create");

    /* Check that the heap has no elements */
    num=H5HP_count(heap);
    VERIFY(num, 0, "H5HP_count");

    /* Try removing an object from an empty heap */
    ret=H5HP_remove(heap,&val,&ptr);
    VERIFY(ret, FAIL, "H5HP_remove");

    /* Insert an object into the heap */
    obj1.val=100;
    ret=H5HP_insert(heap,10,&obj1);
    CHECK(ret, FAIL, "H5HP_insert");

    /* Insert another object into the heap, with value less than top element */
    obj2.val=50;
    ret=H5HP_insert(heap,5,&obj2);
    CHECK(ret, FAIL, "H5HP_insert");

    /* Insert third object into the heap, with value greater than top element */
    obj3.val=200;
    ret=H5HP_insert(heap,20,&obj3);
    CHECK(ret, FAIL, "H5HP_insert");

    /* Remove first maximum value from heap */
    ret=H5HP_remove(heap,&val,&ptr);
    CHECK(ret, FAIL, "H5HP_remove");
    VERIFY(val, 20, "H5HP_remove");
    VERIFY(ptr, &obj3, "H5HP_remove");

    /* Remove second maximum value from heap */
    ret=H5HP_remove(heap,&val,&ptr);
    CHECK(ret, FAIL, "H5HP_remove");
    VERIFY(val, 10, "H5HP_remove");
    VERIFY(ptr, &obj1, "H5HP_remove");

    /* Remove third maximum value from heap */
    ret=H5HP_remove(heap,&val,&ptr);
    CHECK(ret, FAIL, "H5HP_remove");
    VERIFY(val, 5, "H5HP_remove");
    VERIFY(ptr, &obj2, "H5HP_remove");

    /* Try removing an object from an empty heap */
    ret=H5HP_remove(heap,&val,&ptr);
    VERIFY(ret, FAIL, "H5HP_remove");

    /* Close the heap */
    ret=H5HP_close(heap);
    CHECK(ret, FAIL, "H5HP_close");

} /* end test_heap_remove_max() */

/****************************************************************
**
**  test_heap_remove(): Test H5HP (heap) code.
**      Tests basic removal of objects from minimum & maximum heaps.
**
****************************************************************/
static void
test_heap_remove(void)
{
    /* Output message about test being performed */
    MESSAGE(6, ("Testing Removing From Heaps\n"));

    /* Test removals from minimum & maximum heaps */
    test_heap_remove_max();
    test_heap_remove_min();
} /* end test_heap_remove() */

/****************************************************************
**
**  test_heap_remove_many_core (): Tests H5HP (heap) code.
**      "Core" routine called by test_heap_remove_many() routine.
**
****************************************************************/
static void test_heap_remove_many_core(H5HP_type_t heap_type, test_obj *arr, size_t nelem)
{
    H5HP_t *heap;       /* Heap created */
    ssize_t num;        /* Number of elements in heap */
    int last_val;       /* Last value from the heap */
    int val;            /* Value of object on heap */
    test_obj *ptr;      /* Pointer for object on heap */
    size_t u;           /* Local index variable */
    herr_t ret;         /* Generic return value */

    /* Create a Heap */
    heap=H5HP_create(heap_type);
    CHECK(heap, NULL, "H5HP_create");

    /* Check that the heap has no elements */
    num=H5HP_count(heap);
    VERIFY(num, 0, "H5HP_count");

    /* Insert the array elements into the heap */
    for(u=0; u<nelem; u++) {
        ret=H5HP_insert(heap,arr[u].val,&arr[u]);
        CHECK(ret, FAIL, "H5HP_insert");
    } /* end for */

    /* Check that the heap has correct number of elements */
    num=H5HP_count(heap);
    CHECK(num, FAIL, "H5HP_count");
    VERIFY((size_t)num, nelem, "H5HP_count");

    /* Set an appropriate starting value for the "last" value from heap */
    if(heap_type==H5HP_MAX_HEAP)
        last_val=INT_MAX;
    else
        last_val=INT_MIN;

    /* Remove the objects from the heap */
    for(u=0; u<nelem; u++) {
        ret=H5HP_remove(heap,&val,(void **)&ptr);
        CHECK(ret, FAIL, "H5HP_remove");
        VERIFY(val, ptr->val, "H5HP_remove");

        /* Check that the value is correct, based on the heap type */
        if(heap_type==H5HP_MAX_HEAP) {
            if(val>last_val)
                TestErrPrintf("Error on line %d: incorrect value from heap=%d, last_val=%d\n",__LINE__,val,last_val);
        } /* end if */
        else {
            if(val<last_val)
                TestErrPrintf("Error on line %d: incorrect value from heap=%d, last_val=%d\n",__LINE__,val,last_val);
        } /* end else */

        /* Update last value */
        last_val=val;
    } /* end for */

    /* Check that the heap has no elements */
    num=H5HP_count(heap);
    VERIFY(num, 0, "H5HP_count");

/* Insert & remove again, to check that completely empty heaps can be added again */

    /* Set an appropriate starting value for the "last" value from heap */
    if(heap_type==H5HP_MAX_HEAP)
        last_val=INT_MAX;
    else
        last_val=INT_MIN;

    /* Insert the array elements into the heap */
    for(u=0; u<nelem; u++) {
        ret=H5HP_insert(heap,arr[u].val,&arr[u]);
        CHECK(ret, FAIL, "H5HP_insert");
    } /* end for */

    /* Check that the heap has correct number of elements */
    num=H5HP_count(heap);
    CHECK(num, FAIL, "H5HP_count");
    VERIFY((size_t)num, nelem, "H5HP_count");

    /* Remove the objects from the heap */
    for(u=0; u<nelem; u++) {
        ret=H5HP_remove(heap,&val,(void **)&ptr);
        CHECK(ret, FAIL, "H5HP_remove");
        VERIFY(val, ptr->val, "H5HP_remove");

        /* Check that the value is correct, based on the heap type */
        if(heap_type==H5HP_MAX_HEAP) {
            if(val>last_val)
                TestErrPrintf("Error on line %d: incorrect value from heap=%d, last_val=%d\n",__LINE__,val,last_val);
        } /* end if */
        else {
            if(val<last_val)
                TestErrPrintf("Error on line %d: incorrect value from heap=%d, last_val=%d\n",__LINE__,val,last_val);
        } /* end else */

        /* Update last value */
        last_val=val;
    } /* end for */

    /* Check that the heap has no elements */
    num=H5HP_count(heap);
    VERIFY(num, 0, "H5HP_count");

    /* Close the heap */
    ret=H5HP_close(heap);
    CHECK(ret, FAIL, "H5HP_close");
} /* end test_heap_remove_many_core() */

/****************************************************************
**
**  test_heap_remove_many (): Test H5HP (heap) code.
**      Tests removing many objects into heaps.
**
****************************************************************/
static void
test_heap_remove_many(void)
{
    /* Output message about test being performed */
    MESSAGE(6, ("Testing Removing Many Objects From Heaps\n"));

    /* Test removing objects from maximum heap with random elements */
    test_heap_remove_many_core(H5HP_MAX_HEAP, rand_num, (size_t)NUM_ELEMS);

    /* Test removing objects from maximum heap with elements already sorted in increasing order */
    test_heap_remove_many_core(H5HP_MAX_HEAP, inc_sort_num, (size_t)NUM_ELEMS);

    /* Test removing objects from maximum heap with elements already sorted in decreasing order */
    test_heap_remove_many_core(H5HP_MAX_HEAP, dec_sort_num, (size_t)NUM_ELEMS);

    /* Test removing objects from minimum heap with random elements */
    test_heap_remove_many_core(H5HP_MIN_HEAP, rand_num, (size_t)NUM_ELEMS);

    /* Test removing objects from minimum heap with elements already sorted in increasing order */
    test_heap_remove_many_core(H5HP_MIN_HEAP, inc_sort_num, (size_t)NUM_ELEMS);

    /* Test removing objects from minimum heap with elements already sorted in decreasing order */
    test_heap_remove_many_core(H5HP_MIN_HEAP, dec_sort_num, (size_t)NUM_ELEMS);

} /* end test_heap_remove_many() */

/****************************************************************
**
**  test_heap_change_min (): Test H5HP (heap) code.
**      Tests changing the priority of an object in a minimum heap
**
****************************************************************/
static void
test_heap_change_min(void)
{
    H5HP_t *heap;       /* Heap created */
    ssize_t num;        /* Number of elements in heap */
    int val;            /* Value of object on heap */
    test_obj obj1, obj2, obj3;  /* Test objects to insert */
    herr_t ret;         /* Generic return value */

    /* Output message about test being performed */
    MESSAGE(7, ("Testing Changing Priority of Objects in Minimum Heaps\n"));

    /* Create a Heap */
    heap=H5HP_create(H5HP_MIN_HEAP);
    CHECK(heap, NULL, "H5HP_create");

    /* Check that the heap has no elements */
    num=H5HP_count(heap);
    VERIFY(num, 0, "H5HP_count");

    /* Insert an object into the heap */
    obj1.val=100;
    ret=H5HP_insert(heap,10,&obj1);
    CHECK(ret, FAIL, "H5HP_insert");

    /* Insert another object into the heap, with value less than top element */
    obj2.val=50;
    ret=H5HP_insert(heap,5,&obj2);
    CHECK(ret, FAIL, "H5HP_insert");

    /* Insert third object into the heap, with value greater than top element */
    obj3.val=200;
    ret=H5HP_insert(heap,20,&obj3);
    CHECK(ret, FAIL, "H5HP_insert");

    /* Change priority of first object on heap in way which shouldn't affect heap order */
    ret=H5HP_change(heap,11,&obj1);
    CHECK(ret, FAIL, "H5HP_change");

    /* Check the minimum value on the heap */
    ret=H5HP_top(heap, &val);
    CHECK(ret, FAIL, "H5HP_top");
    VERIFY(val, 5, "H5HP_top");

    /* Change priority of first object on heap to be the top object on the heap */
    ret=H5HP_change(heap,3,&obj1);
    CHECK(ret, FAIL, "H5HP_change");

    /* Check the maximum value on the heap */
    ret=H5HP_top(heap, &val);
    CHECK(ret, FAIL, "H5HP_top");
    VERIFY(val, 3, "H5HP_top");

    /* Change priority of first object on heap to not be the top object on the heap */
    ret=H5HP_change(heap,10,&obj1);
    CHECK(ret, FAIL, "H5HP_change");

    /* Check the maximum value on the heap */
    ret=H5HP_top(heap, &val);
    CHECK(ret, FAIL, "H5HP_top");
    VERIFY(val, 5, "H5HP_top");

    /* Close the heap */
    ret=H5HP_close(heap);
    CHECK(ret, FAIL, "H5HP_close");

} /* end test_heap_change_min() */

/****************************************************************
**
**  test_heap_change_max (): Test H5HP (heap) code.
**      Tests changing the priority of an object in a maximumheap
**
****************************************************************/
static void
test_heap_change_max(void)
{
    H5HP_t *heap;       /* Heap created */
    ssize_t num;        /* Number of elements in heap */
    int val;            /* Value of object on heap */
    test_obj obj1, obj2, obj3;  /* Test objects to insert */
    herr_t ret;         /* Generic return value */

    /* Output message about test being performed */
    MESSAGE(7, ("Testing Changing Priority of Objects in Maximum Heaps\n"));

    /* Create a Heap */
    heap=H5HP_create(H5HP_MAX_HEAP);
    CHECK(heap, NULL, "H5HP_create");

    /* Check that the heap has no elements */
    num=H5HP_count(heap);
    VERIFY(num, 0, "H5HP_count");

    /* Insert an object into the heap */
    obj1.val=100;
    ret=H5HP_insert(heap,10,&obj1);
    CHECK(ret, FAIL, "H5HP_insert");

    /* Insert another object into the heap, with value less than top element */
    obj2.val=50;
    ret=H5HP_insert(heap,5,&obj2);
    CHECK(ret, FAIL, "H5HP_insert");

    /* Insert third object into the heap, with value greater than top element */
    obj3.val=200;
    ret=H5HP_insert(heap,20,&obj3);
    CHECK(ret, FAIL, "H5HP_insert");

    /* Change priority of first object on heap in way which shouldn't affect heap order */
    ret=H5HP_change(heap,11,&obj1);
    CHECK(ret, FAIL, "H5HP_change");

    /* Check the maximum value on the heap */
    ret=H5HP_top(heap, &val);
    CHECK(ret, FAIL, "H5HP_top");
    VERIFY(val, 20, "H5HP_top");

    /* Change priority of first object on heap to be the top object on the heap */
    ret=H5HP_change(heap,21,&obj1);
    CHECK(ret, FAIL, "H5HP_change");

    /* Check the maximum value on the heap */
    ret=H5HP_top(heap, &val);
    CHECK(ret, FAIL, "H5HP_top");
    VERIFY(val, 21, "H5HP_top");

    /* Change priority of first object on heap to not be the top object on the heap */
    ret=H5HP_change(heap,10,&obj1);
    CHECK(ret, FAIL, "H5HP_change");

    /* Check the maximum value on the heap */
    ret=H5HP_top(heap, &val);
    CHECK(ret, FAIL, "H5HP_top");
    VERIFY(val, 20, "H5HP_top");

    /* Close the heap */
    ret=H5HP_close(heap);
    CHECK(ret, FAIL, "H5HP_close");

} /* end test_heap_change() */

/****************************************************************
**
**  test_heap_change (): Test H5HP (heap) code.
**      Tests changing the priority of an object in maximum & minimum heaps
**
****************************************************************/
static void
test_heap_change(void)
{
    /* Output message about test being performed */
    MESSAGE(6, ("Testing Changing Priority of Objects in Heaps\n"));

    /* Test removals from minimum & maximum heaps */
    test_heap_change_max();
    test_heap_change_min();
} /* end test_heap_change() */

/****************************************************************
**
**  test_heap_incdec_min (): Test H5HP (heap) code.
**      Tests incrementing & decrementing priority of objects on
**      a minimum heap.
**
****************************************************************/
static void
test_heap_incdec_min(void)
{
    H5HP_t *heap;       /* Heap created */
    ssize_t num;        /* Number of elements in heap */
    int val;            /* Value of object on heap */
    test_obj obj1, obj2, obj3;  /* Test objects to insert */
    herr_t ret;         /* Generic return value */

    /* Output message about test being performed */
    MESSAGE(7, ("Testing Incrementing & Decrementing Priority of Objects in Minimum Heaps\n"));

    /* Create a Heap */
    heap=H5HP_create(H5HP_MIN_HEAP);
    CHECK(heap, NULL, "H5HP_create");

    /* Check that the heap has no elements */
    num=H5HP_count(heap);
    VERIFY(num, 0, "H5HP_count");

    /* Insert an object into the heap */
    obj1.val=100;
    ret=H5HP_insert(heap,6,&obj1);
    CHECK(ret, FAIL, "H5HP_insert");

    /* Insert another object into the heap, with value less than top element */
    obj2.val=50;
    ret=H5HP_insert(heap,5,&obj2);
    CHECK(ret, FAIL, "H5HP_insert");

    /* Insert third object into the heap, with value greater than top element */
    obj3.val=200;
    ret=H5HP_insert(heap,20,&obj3);
    CHECK(ret, FAIL, "H5HP_insert");

    /* Decrement object one's priority by two to put it on top of the heap */
    ret=H5HP_decr(heap, 2, &obj1);
    CHECK(ret, FAIL, "H5HP_change");

    /* Check the minimum value on the heap */
    ret=H5HP_top(heap, &val);
    CHECK(ret, FAIL, "H5HP_top");
    VERIFY(val, 4, "H5HP_top");

    /* Decrement object two's priority by two to put it back on top of the heap */
    ret=H5HP_decr(heap, 2, &obj2);
    CHECK(ret, FAIL, "H5HP_change");

    /* Check the minimum value on the heap */
    ret=H5HP_top(heap, &val);
    CHECK(ret, FAIL, "H5HP_top");
    VERIFY(val, 3, "H5HP_top");

    /* Increment object two's priority by two to return object one to the top */
    ret=H5HP_incr(heap,2,&obj2);
    CHECK(ret, FAIL, "H5HP_change");

    /* Check the minimum value on the heap */
    ret=H5HP_top(heap, &val);
    CHECK(ret, FAIL, "H5HP_top");
    VERIFY(val, 4, "H5HP_top");

    /* Close the heap */
    ret=H5HP_close(heap);
    CHECK(ret, FAIL, "H5HP_close");

} /* end test_heap_incdec_min() */

/****************************************************************
**
**  test_heap_incdec_max (): Test H5HP (heap) code.
**      Tests incrementing & decrementing priority of objects on
**      a maximum heap.
**
****************************************************************/
static void
test_heap_incdec_max(void)
{
    H5HP_t *heap;       /* Heap created */
    ssize_t num;        /* Number of elements in heap */
    int val;            /* Value of object on heap */
    test_obj obj1, obj2, obj3;  /* Test objects to insert */
    herr_t ret;         /* Generic return value */

    /* Output message about test being performed */
    MESSAGE(7, ("Testing Incrementing & Decrementing Priority of Objects in Maximum Heaps\n"));

    /* Create a Heap */
    heap=H5HP_create(H5HP_MAX_HEAP);
    CHECK(heap, NULL, "H5HP_create");

    /* Check that the heap has no elements */
    num=H5HP_count(heap);
    VERIFY(num, 0, "H5HP_count");

    /* Insert an object into the heap */
    obj1.val=100;
    ret=H5HP_insert(heap,19,&obj1);
    CHECK(ret, FAIL, "H5HP_insert");

    /* Insert another object into the heap, with value less than top element */
    obj2.val=50;
    ret=H5HP_insert(heap,5,&obj2);
    CHECK(ret, FAIL, "H5HP_insert");

    /* Insert third object into the heap, with value greater than top element */
    obj3.val=200;
    ret=H5HP_insert(heap,20,&obj3);
    CHECK(ret, FAIL, "H5HP_insert");

    /* Increment object one's priority by two to put it on top of the heap */
    ret=H5HP_incr(heap, 2, &obj1);
    CHECK(ret, FAIL, "H5HP_change");

    /* Check the maximum value on the heap */
    ret=H5HP_top(heap, &val);
    CHECK(ret, FAIL, "H5HP_top");
    VERIFY(val, 21, "H5HP_top");

    /* Increment object three's priority by two to put it back on top of the heap */
    ret=H5HP_incr(heap, 2, &obj3);
    CHECK(ret, FAIL, "H5HP_change");

    /* Check the maximum value on the heap */
    ret=H5HP_top(heap, &val);
    CHECK(ret, FAIL, "H5HP_top");
    VERIFY(val, 22, "H5HP_top");

    /* Decrement object three's priority by two to return object one to the top */
    ret=H5HP_decr(heap,2,&obj3);
    CHECK(ret, FAIL, "H5HP_change");

    /* Check the maximum value on the heap */
    ret=H5HP_top(heap, &val);
    CHECK(ret, FAIL, "H5HP_top");
    VERIFY(val, 21, "H5HP_top");

    /* Close the heap */
    ret=H5HP_close(heap);
    CHECK(ret, FAIL, "H5HP_close");

} /* end test_heap_incdec_max() */

/****************************************************************
**
**  test_heap_incdec (): Test H5HP (heap) code.
**      Tests incrementing & decrementing priority of objects on
**      maximum & minimum heaps.
**
****************************************************************/
static void
test_heap_incdec(void)
{
    /* Output message about test being performed */
    MESSAGE(6, ("Testing Incrementing & Decrementing Priority of Objects in Heaps\n"));

    /* Test increments & decrements in minimum & maximum heaps */
    test_heap_incdec_max();
    test_heap_incdec_min();
} /* end test_heap_incdec() */

/****************************************************************
**
**  test_heap(): Main H5HP testing routine.
**
****************************************************************/
void
test_heap(void)
{
    /* Output message about test being performed */
    MESSAGE(5, ("Testing Heaps\n"));

    /* Initialize Heap testing data */
    test_heap_init();

    /* Actual Heap tests */
    test_heap_create();          /* Test Heap creation */
    test_heap_insert();          /* Test basic Heap insertion */
    test_heap_insert_many();     /* Test Heap insertion of many items */
    test_heap_remove();          /* Test basic Heap removal */
    test_heap_remove_many();     /* Test Heap removal of many items */
    test_heap_change();          /* Test changing priority of objects on Heap */
    test_heap_incdec();          /* Test incrementing & decrementing priority of objects on Heap */

}   /* end test_heap() */