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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 COPYING file, which can be found at the root of the source code *
* distribution tree, or in https://www.hdfgroup.org/licenses. *
* 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 "test_group"
#define DSET_NAME "test_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 do_nothing(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 */
do_nothing, /* The actual filter function */
}};
/*-------------------------------------------------------------------------
* Function: do_nothing
*
* 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: Data chunk size
*
*-------------------------------------------------------------------------
*/
static size_t
do_nothing(unsigned int H5_ATTR_UNUSED flags, size_t H5_ATTR_UNUSED cd_nelmts,
const unsigned int H5_ATTR_UNUSED *cd_values, size_t nbytes, size_t H5_ATTR_UNUSED *buf_size,
void H5_ATTR_UNUSED **buf)
{
return nbytes;
}
/*-------------------------------------------------------------------------
* Function: test_unregister_filters
*
* Purpose: Tests unregistering filter before closing the file
*
* Return: SUCCEED/FAIL
*
*-------------------------------------------------------------------------
*/
static herr_t
test_unregister_filters(hid_t fapl_id)
{
hid_t fid1 = H5I_INVALID_HID;
hid_t fid2 = H5I_INVALID_HID;
hid_t dcpl_id = H5I_INVALID_HID;
hid_t gcpl_id = H5I_INVALID_HID;
hid_t gid = H5I_INVALID_HID;
hid_t gid_loop = H5I_INVALID_HID;
hid_t did = H5I_INVALID_HID;
hid_t sid = H5I_INVALID_HID;
int i, j, n;
char group_name[32];
char filename[FILENAME_BUF_SIZE];
const hsize_t chunk_dims[2] = {FILTER_CHUNK_DIM1, FILTER_CHUNK_DIM2}; /* Chunk dimensions */
hsize_t dims[2];
int data[DSET_DIM1][DSET_DIM2];
herr_t ret;
TESTING("Unregistering filter");
/* Create first file */
h5_fixname(FILENAME[0], fapl_id, filename, sizeof(filename));
if ((fid1 = H5Fcreate(filename, H5F_ACC_TRUNC, H5P_DEFAULT, fapl_id)) < 0)
goto error;
/* Create second file */
h5_fixname(FILENAME[1], fapl_id, filename, sizeof(filename));
if ((fid2 = H5Fcreate(filename, H5F_ACC_TRUNC, H5P_DEFAULT, fapl_id)) < 0)
goto error;
/* Register DUMMY filter */
if (H5Zregister(H5Z_DUMMY) < 0)
goto error;
if (H5Zfilter_avail(H5Z_FILTER_DUMMY) != TRUE)
goto error;
/*******************
* PART 1 - GROUPS *
*******************/
/* Use DUMMY filter for creating groups */
if ((gcpl_id = H5Pcreate(H5P_GROUP_CREATE)) < 0)
goto error;
if (H5Pset_filter(gcpl_id, H5Z_FILTER_DUMMY, H5Z_FLAG_MANDATORY, (size_t)0, NULL) < 0)
goto error;
/* Create a group using this filter */
if ((gid = H5Gcreate2(fid1, GROUP_NAME, H5P_DEFAULT, gcpl_id, H5P_DEFAULT)) < 0)
goto error;
/* Create multiple groups under the main group */
for (i = 0; i < GROUP_ITERATION; i++) {
HDsprintf(group_name, "group_%d", i);
if ((gid_loop = H5Gcreate2(gid, group_name, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT)) < 0)
goto error;
if (H5Gclose(gid_loop) < 0)
goto error;
}
/* Flush the file containing the groups */
if (H5Fflush(fid1, 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();
HDprintf(" Line %d: Should not be able to unregister filter\n", __LINE__);
goto error;
}
/* Close the group */
if (H5Gclose(gid) < 0)
goto error;
/* Clean up objects used for this test */
if (H5Pclose(gcpl_id) < 0)
goto error;
/*********************
* PART 2 - DATASETS *
*********************/
/* Use DUMMY filter for creating datasets */
if ((dcpl_id = H5Pcreate(H5P_DATASET_CREATE)) < 0)
goto error;
if (H5Pset_chunk(dcpl_id, 2, chunk_dims) < 0)
goto error;
if (H5Pset_filter(dcpl_id, H5Z_FILTER_DUMMY, 0, (size_t)0, NULL) < 0)
goto error;
/* Initialize the data for writing */
for (i = n = 0; i < DSET_DIM1; i++)
for (j = 0; j < DSET_DIM2; j++)
data[i][j] = n++;
/* Create the dataspace */
dims[0] = DSET_DIM1;
dims[1] = DSET_DIM2;
if ((sid = H5Screate_simple(2, dims, NULL)) < 0)
goto error;
/* Create a dataset in the first file */
if ((did = H5Dcreate2(fid1, DSET_NAME, H5T_NATIVE_INT, sid, H5P_DEFAULT, dcpl_id, H5P_DEFAULT)) < 0)
goto error;
/* Write the data to the dataset */
if (H5Dwrite(did, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, data) < 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();
HDprintf(" Line %d: Should not be able to unregister filter\n", __LINE__);
goto error;
}
/* Close the dataset */
if (H5Dclose(did) < 0)
goto error;
/* Create a dataset in the second file */
if ((did = H5Dcreate2(fid2, DSET_NAME, H5T_NATIVE_INT, sid, H5P_DEFAULT, dcpl_id, H5P_DEFAULT)) < 0)
goto error;
/* Write the data to the dataset */
if (H5Dwrite(did, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, data) < 0)
goto error;
/* Close the dataset in the second file */
if (H5Dclose(did) < 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(dcpl_id) < 0)
goto error;
if (H5Fclose(fid1) < 0)
goto error;
if (H5Fclose(fid2) < 0)
goto error;
PASSED();
return SUCCEED;
error:
H5E_BEGIN_TRY
{
H5Fclose(fid1);
H5Fclose(fid2);
H5Pclose(dcpl_id);
H5Pclose(gcpl_id);
H5Gclose(gid);
H5Gclose(gid_loop);
H5Dclose(did);
H5Sclose(sid);
}
H5E_END_TRY;
return FAIL;
}
/*-------------------------------------------------------------------------
* Function: main
*
* Purpose: Tests unregistering filter with H5Zunregister
*
* Return: EXIT_SUCCESS/EXIT_FAILURE
*
*-------------------------------------------------------------------------
*/
int
main(void)
{
hid_t fapl_id = H5I_INVALID_HID;
int nerrors = 0;
/* Testing setup */
h5_reset();
fapl_id = h5_fileaccess();
/* Test unregistering filter in its own file */
nerrors += (test_unregister_filters(fapl_id) < 0 ? 1 : 0);
h5_cleanup(FILENAME, fapl_id);
if (nerrors)
goto error;
HDprintf("All filter unregistration tests passed.\n");
HDexit(EXIT_SUCCESS);
error:
nerrors = MAX(1, nerrors);
HDprintf("***** %d FILTER UNREGISTRATION TEST%s FAILED! *****\n", nerrors, 1 == nerrors ? "" : "S");
HDexit(EXIT_FAILURE);
} /* end main() */
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