summaryrefslogtreecommitdiffstats
path: root/test/set_extend.c
blob: dd46a945f00c815de84dedfb7ff17469a60e4aad (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


#include "hdf5.h"
#include "h5test.h"


/*-------------------------------------------------------------------------
 *
 * Tests the function H5Dset_extend. In the current version of the library 
 * the dataset MUST be chunked.
 *
 *-------------------------------------------------------------------------
 */

#define DATASETNAME "ShrinkArray" 
#define RANK         1
#define DIM          4



int main( void )
{
 
  hid_t   file_id;
  hid_t   dataset_id;
  hid_t   space_id;  
  hid_t   plist_id;
  hsize_t dims[RANK] = { DIM };
  hsize_t dims_new[RANK] = { 2 };
  hsize_t dims_chunk[RANK] = { 1 };
  hsize_t dims_out[RANK];
  hsize_t maxdims[RANK] = { H5S_UNLIMITED };
		int     data[ DIM ];
  int     buf1[ DIM ];
  int     buf2[ 3 ];
  herr_t  status; 
  int     i;

		for( i = 0; i < DIM; i++ )
			data[ i ] = i;
		

  TESTING("extend dataset");
  
  /* Create a new file using default properties. */
  file_id = H5Fcreate( "set_extend.h5", H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT );

  /* Create the data space with unlimited dimensions. */
  space_id = H5Screate_simple( RANK, dims, maxdims ); 

  /* Modify dataset creation properties, i.e. enable chunking. */
  plist_id = H5Pcreate (H5P_DATASET_CREATE);
  status = H5Pset_chunk( plist_id, RANK, dims_chunk);

  /* Create a new dataset within the file using cparms creation properties. */
  dataset_id = H5Dcreate( file_id , DATASETNAME, H5T_NATIVE_INT, space_id, plist_id );

  /* Write the data. */
  status = H5Dwrite( dataset_id , H5T_NATIVE_INT, space_id, H5S_ALL, H5P_DEFAULT, data );

/*-------------------------------------------------------------------------
 * Set new dimensions for the array; shrink it to (3)
 *-------------------------------------------------------------------------
 */
  
  /* Set new dimensions for the array. */
  status = H5Dset_extend( dataset_id , dims_new );

   /* Get the space. */
  space_id = H5Dget_space( dataset_id );

  /* Get dimensions. */
  status = H5Sget_simple_extent_dims( space_id, dims_out, NULL);

  if ( dims_out[0] != dims_new[0] ) 
   goto out;


/*-------------------------------------------------------------------------
 * Read
 *-------------------------------------------------------------------------
 */
 
  /* Read the new dataset. */
  status = H5Dread( dataset_id, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, buf2 );

  /* Compare the read array with the original array */
  for( i = 0; i < dims_out[0]; i++ )
		{
   if (  buf2[i] != data[i] ) {
     goto out;
    }
   }


#if 0

/*-------------------------------------------------------------------------
 * Set new dimensions for the array; expand it again to (6)
 *-------------------------------------------------------------------------
 */
  
  /* Set new dimensions for the array. */
  status = H5Dset_extend( dataset_id , dims );

   /* Get the space. */
  space_id = H5Dget_space( dataset_id );

  /* Get dimensions. */
  status = H5Sget_simple_extent_dims( space_id, dims_out, NULL);

  if ( dims_out[0] != dims[0] ) 
   goto out;


/*-------------------------------------------------------------------------
 * Read
 *-------------------------------------------------------------------------
 */
 
  /* Read the new dataset. */
  status = H5Dread( dataset_id, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, buf1 );

  /* Compare the read array with the original array */
  for( i = 0; i < dims_out[0]; i++ ) 
   {
    if ( i > 2 )
				{
     if (  buf1[i] != 0 ) 
      goto out;
				}
	   else
				{
     if (  buf1[i] != data[i] ) 
      goto out;
    }
   }

#endif
    
/*-------------------------------------------------------------------------
 * end
 *-------------------------------------------------------------------------
 */
 
 /* Close/release resources. */
 H5Dclose( dataset_id );
 H5Sclose( space_id );
 H5Pclose( plist_id  );
 H5Fclose( file_id );
 PASSED();

 return 0;

out:
 H5Dclose( dataset_id );
 H5Sclose( space_id );
 H5Pclose( plist_id  );
 H5Fclose( file_id );
 H5_FAILED();
 return 1;

}