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
|
/****************************************************************************
* NCSA HDF *
* Software Development Group *
* National Center for Supercomputing Applications *
* University of Illinois at Urbana-Champaign *
* 605 E. Springfield, Champaign IL 61820 *
* *
* For conditions of distribution and use, see the accompanying *
* hdf/COPYING file. *
* *
****************************************************************************/
#ifdef RCSID
static char RcsId[] = "$Revision$";
#endif
/* $Id$ */
/***********************************************************
*
* Test program: trefer
*
* Test the Reference functionality
*
*************************************************************/
#include <testhdf5.h>
#include <hdf5.h>
#define FILE "trefer.h5"
/* 1-D dataset with fixed dimensions */
#define SPACE1_NAME "Space1"
#define SPACE1_RANK 1
#define SPACE1_DIM1 4
/****************************************************************
**
** test_reference_obj(): Test basic H5R (reference) object reference code.
** Tests references to various kinds of objects
**
****************************************************************/
static void
test_reference_obj(void)
{
hid_t fid1; /* HDF5 File IDs */
hid_t dataset, /* Dataset ID */
dset2; /* Dereferenced dataset ID */
hid_t group; /* Group ID */
hid_t sid1; /* Dataspace ID */
hsize_t dims1[] = {SPACE1_DIM1};
hobj_ref_t *wbuf, /* buffer to write to disk */
*rbuf, /* buffer read from disk */
*tbuf; /* temp. buffer read from disk */
uint32 *tu32; /* Temporary pointer to uint32 data */
intn i; /* counting variables */
herr_t ret; /* Generic return value */
/* Output message about test being performed */
MESSAGE(5, ("Testing Object Reference Functions\n"));
/* Allocate write & read buffers */
wbuf=malloc(sizeof(hobj_ref_t)*SPACE1_DIM1);
rbuf=malloc(sizeof(hobj_ref_t)*SPACE1_DIM1);
tbuf=malloc(sizeof(hobj_ref_t)*SPACE1_DIM1);
/* Create file */
fid1 = H5Fcreate(FILE, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT);
CHECK(fid1, FAIL, "H5Fcreate");
/* Create dataspace for datasets */
sid1 = H5Screate_simple(SPACE1_RANK, dims1, NULL);
CHECK(sid1, FAIL, "H5Screate_simple");
/* Create a group */
group=H5Gcreate(fid1,"Group1",-1);
CHECK(group, FAIL, "H5Gcreate");
/* Close group */
ret = H5Gclose(group);
CHECK(ret, FAIL, "H5Gclose");
/* Create a dataset */
dataset=H5Dcreate(fid1,"Dataset1",H5T_STD_U32LE,sid1,H5P_DEFAULT);
CHECK(dataset, FAIL, "H5Dcreate");
for(tu32=(uint32 *)wbuf,i=0; i<SPACE1_DIM1; i++)
*tu32++=i*3;
/* Write selection to disk */
ret=H5Dwrite(dataset,H5T_STD_U32LE,H5S_ALL,H5S_ALL,H5P_DEFAULT,wbuf);
CHECK(ret, FAIL, "H5Dwrite");
/* Close Dataset */
ret = H5Dclose(dataset);
CHECK(ret, FAIL, "H5Dclose");
/* Create another dataset */
dataset=H5Dcreate(fid1,"Dataset2",H5T_NATIVE_UCHAR,sid1,H5P_DEFAULT);
CHECK(dataset, FAIL, "H5Dcreate");
/* Close Dataset */
ret = H5Dclose(dataset);
CHECK(ret, FAIL, "H5Dclose");
/* Create a dataset */
dataset=H5Dcreate(fid1,"Dataset3",H5T_STD_REF_OBJ,sid1,H5P_DEFAULT);
CHECK(ret, FAIL, "H5Dcreate");
/* Create references */
ret = H5Rcreate(&wbuf[0],fid1,"/Dataset1",H5R_OBJECT,-1);
CHECK(ret, FAIL, "H5Rcreate");
ret = H5Rcreate(&wbuf[1],fid1,"/Dataset2",H5R_OBJECT,-1);
CHECK(ret, FAIL, "H5Rcreate");
ret = H5Rcreate(&wbuf[2],fid1,"/Group1",H5R_OBJECT,-1);
CHECK(ret, FAIL, "H5Rcreate");
/* Write selection to disk */
ret=H5Dwrite(dataset,H5T_STD_REF_OBJ,H5S_ALL,H5S_ALL,H5P_DEFAULT,wbuf);
CHECK(ret, FAIL, "H5Dwrite");
/* Close disk dataspace */
ret = H5Sclose(sid1);
CHECK(ret, FAIL, "H5Sclose");
/* Close Dataset */
ret = H5Dclose(dataset);
CHECK(ret, FAIL, "H5Dclose");
/* Close file */
ret = H5Fclose(fid1);
CHECK(ret, FAIL, "H5Fclose");
/* Re-open the file */
fid1 = H5Fopen(FILE, H5F_ACC_RDWR, H5P_DEFAULT);
CHECK(fid1, FAIL, "H5Fopen");
/* Open the dataset */
dataset=H5Dopen(fid1,"/Dataset3");
CHECK(ret, FAIL, "H5Dcreate");
/* Read selection from disk */
ret=H5Dread(dataset,H5T_STD_REF_OBJ,H5S_ALL,H5S_ALL,H5P_DEFAULT,rbuf);
CHECK(ret, FAIL, "H5Dread");
/* Try to open objects */
dset2 = H5Rdereference(dataset,H5R_OBJECT,&rbuf[0]);
CHECK(dataset, FAIL, "H5Rdereference");
/* Check information in referenced dataset */
sid1 = H5Dget_space(dset2);
CHECK(sid1, FAIL, "H5Dget_space");
ret=H5Sget_simple_extent_npoints(sid1);
VERIFY(ret, 4, "H5Sget_simple_extent_npoints");
/* Read from disk */
ret=H5Dread(dset2,H5T_STD_U32LE,H5S_ALL,H5S_ALL,H5P_DEFAULT,tbuf);
CHECK(ret, FAIL, "H5Dread");
for(tu32=(uint32 *)tbuf,i=0; i<SPACE1_DIM1; i++,tu32++)
VERIFY(*tu32, (uint32)(i*3), "Data");
/* Close dereferenced Dataset */
ret = H5Dclose(dset2);
CHECK(ret, FAIL, "H5Dclose");
/* Close Dataset */
ret = H5Dclose(dataset);
CHECK(ret, FAIL, "H5Dclose");
/* Close file */
ret = H5Fclose(fid1);
CHECK(ret, FAIL, "H5Fclose");
/* Free memory buffers */
free(wbuf);
free(rbuf);
} /* test_reference_obj() */
/****************************************************************
**
** test_reference(): Main H5R reference testing routine.
**
****************************************************************/
void
test_reference(void)
{
/* Output message about test being performed */
MESSAGE(5, ("Testing References\n"));
/* These next tests use the same file */
test_reference_obj(); /* Test basic H5R object reference code */
} /* test_reference() */
/*-------------------------------------------------------------------------
* Function: cleanup_reference
*
* Purpose: Cleanup temporary test files
*
* Return: none
*
* Programmer: Quincey Koziol
* September 8, 1998
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
void
cleanup_reference(void)
{
remove(FILE);
}
|
