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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright by The HDF Group. *
* 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 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
* 24 April 2013
*
* Purpose: Tests H5Zunregister function
*/
#include "h5test.h"
const char *FILENAME[] = {
"unregister_filter_1",
"unregister_filter_2",
NULL
};
#define GROUP_NAME "group"
#define DSET_NAME "dataset"
#define FILENAME_BUF_SIZE 1024
#define DSET_DIM1 100
#define DSET_DIM2 200
#define FILTER_CHUNK_DIM1 2
#define FILTER_CHUNK_DIM2 25
#define GROUP_ITERATION 1000
#define H5Z_FILTER_DUMMY 312
static size_t filter_dummy(unsigned int flags, size_t cd_nelmts,
const unsigned int *cd_values, size_t nbytes, size_t *buf_size, void **buf);
/* Dummy filter for test_unregister_filters only */
const H5Z_class2_t H5Z_DUMMY[1] = {{
H5Z_CLASS_T_VERS, /* H5Z_class_t version */
H5Z_FILTER_DUMMY, /* Filter id number */
1, 1, /* Encoding and decoding enabled */
"dummy", /* Filter name for debugging */
NULL, /* The "can apply" callback */
NULL, /* The "set local" callback */
filter_dummy, /* The actual filter function */
}};
/*-------------------------------------------------------------------------
* Function: filter_dummy
*
* Purpose: A dummy compression method that doesn't do anything. This
* filter is only for test_unregister_filters. Please don't
* use it for other tests because it may mess up this test.
*
* Return: Success: Data chunk size
*
* Failure: 0
*
* Programmer: Raymond Lu
* April 24, 2013
*
*-------------------------------------------------------------------------
*/
static size_t
filter_dummy(unsigned int UNUSED flags, size_t UNUSED cd_nelmts,
const unsigned int UNUSED *cd_values, size_t nbytes,
size_t UNUSED *buf_size, void UNUSED **buf)
{
return nbytes;
}
/*-------------------------------------------------------------------------
* Function: test_unregister_filters
*
* Purpose: Tests unregistering filter before closing the file
*
* Return: Success: 0
* Failure: -1
*
* Programmer: Raymond Lu
* 11 April 2013
*
*-------------------------------------------------------------------------
*/
static herr_t
test_unregister_filters(hid_t my_fapl)
{
hid_t file1, file2;
hid_t dc;
hid_t gcpl, gid, group;
hid_t dataset, space;
int i, j, n;
char gname[256];
char filename[FILENAME_BUF_SIZE];
const hsize_t chunk_size[2] = {FILTER_CHUNK_DIM1, FILTER_CHUNK_DIM2}; /* Chunk dimensions */
hsize_t dims[2];
int points[DSET_DIM1][DSET_DIM2];
herr_t ret;
TESTING("Unregistering filter");
/* Create first file */
h5_fixname(FILENAME[0], my_fapl, filename, sizeof filename);
if((file1 = H5Fcreate(filename, H5F_ACC_TRUNC, H5P_DEFAULT, my_fapl)) < 0) goto error;
/* Create second file */
h5_fixname(FILENAME[1], my_fapl, filename, sizeof filename);
if((file2 = H5Fcreate(filename, H5F_ACC_TRUNC, H5P_DEFAULT, my_fapl)) < 0) goto error;
/* Register DUMMY filter */
if(H5Zregister(H5Z_DUMMY) < 0) goto error;
if(H5Zfilter_avail(H5Z_FILTER_DUMMY)!=TRUE) goto error;
if((gcpl = H5Pcreate(H5P_GROUP_CREATE)) < 0) goto error;
/* Use DUMMY filter for creating groups */
if(H5Pset_filter (gcpl, H5Z_FILTER_DUMMY, H5Z_FLAG_MANDATORY, (size_t)0, NULL) < 0) goto error;
/* Create a group using this filter */
if((gid = H5Gcreate2(file1, GROUP_NAME, H5P_DEFAULT, gcpl, H5P_DEFAULT)) < 0) goto error;
/* Create multiple groups under the main group */
for (i=0; i < GROUP_ITERATION; i++) {
sprintf(gname, "group_%d", i);
if((group = H5Gcreate2(gid, gname, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT)) < 0) goto error;
if(H5Gclose(group) < 0) goto error;
}
if(H5Fflush(file1, H5F_SCOPE_GLOBAL) < 0) goto error;
/* Unregister the filter before closing the group. It should fail */
H5E_BEGIN_TRY {
ret = H5Zunregister(H5Z_FILTER_DUMMY);
} H5E_END_TRY;
if(ret>=0) {
H5_FAILED();
printf(" Line %d: Should not be able to unregister filter\n", __LINE__);
goto error;
} /* end if */
/* Close the group */
if(H5Gclose(gid) < 0) goto error;
/* Clean up objects used for this test */
if(H5Pclose (gcpl) < 0) goto error;
if((dc = H5Pcreate(H5P_DATASET_CREATE)) < 0) goto error;
if(H5Pset_chunk (dc, 2, chunk_size) < 0) goto error;
if(H5Pset_filter(dc, H5Z_FILTER_DUMMY, 0, (size_t)0, NULL) < 0) goto error;
/* Initialize the dataset */
for(i = n = 0; i < DSET_DIM1; i++)
for(j = 0; j < DSET_DIM2; j++)
points[i][j] = n++;
/* Create the data space */
dims[0] = DSET_DIM1;
dims[1] = DSET_DIM2;
if((space = H5Screate_simple(2, dims, NULL)) < 0) goto error;
/* Create a dataset in the first file */
if((dataset = H5Dcreate2(file1, DSET_NAME, H5T_NATIVE_INT, space,
H5P_DEFAULT, dc, H5P_DEFAULT)) < 0) goto error;
/* Write the data to the dataset */
if(H5Dwrite(dataset, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, points) < 0)
goto error;
/* Unregister the filter before closing the dataset. It should fail */
H5E_BEGIN_TRY {
ret = H5Zunregister(H5Z_FILTER_DUMMY);
} H5E_END_TRY;
if(ret>=0) {
H5_FAILED();
printf(" Line %d: Should not be able to unregister filter\n", __LINE__);
goto error;
} /* end if */
if(H5Dclose(dataset) < 0) goto error;
/* Create a dataset in the second file */
if((dataset = H5Dcreate2(file2, DSET_NAME, H5T_NATIVE_INT, space,
H5P_DEFAULT, dc, H5P_DEFAULT)) < 0) goto error;
/* Write the data to the dataset */
if(H5Dwrite(dataset, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, points) < 0)
goto error;
if(H5Dclose(dataset) < 0) goto error;
/* Unregister the filter after closing all objects but before closing files.
* It should flush all files. */
if(H5Zunregister(H5Z_FILTER_DUMMY) < 0) goto error;
/* Clean up objects used for this test */
if(H5Pclose (dc) < 0) goto error;
if(H5Fclose(file1) < 0) goto error;
if(H5Fclose(file2) < 0) goto error;
PASSED();
return 0;
error:
return -1;
}
/*-------------------------------------------------------------------------
* Function: main
*
* Purpose: Tests unregistering filter with H5Zunregister
*
* Return: Success: exit(0)
*
* Failure: exit(1)
*
* Programmer: Raymond Lu
* 11 April 2013
*
*-------------------------------------------------------------------------
*/
int
main(void)
{
hid_t fapl;
int nerrors = 0;
/* Testing setup */
h5_reset();
fapl = h5_fileaccess();
/* Test unregistering filter in its own file */
nerrors += (test_unregister_filters(fapl) < 0 ? 1 : 0);
if(nerrors)
goto error;
printf("All dataset tests passed.\n");
h5_cleanup(FILENAME, fapl);
return 0;
error:
nerrors = MAX(1, nerrors);
printf("***** %d DATASET TEST%s FAILED! *****\n",
nerrors, 1 == nerrors ? "" : "S");
return 1;
}
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