summaryrefslogtreecommitdiffstats
path: root/test/unregister.c
diff options
context:
space:
mode:
Diffstat (limited to 'test/unregister.c')
-rw-r--r--test/unregister.c258
1 files changed, 258 insertions, 0 deletions
diff --git a/test/unregister.c b/test/unregister.c
new file mode 100644
index 0000000..88f4d1b
--- /dev/null
+++ b/test/unregister.c
@@ -0,0 +1,258 @@
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * 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 */
+ /*if(H5Zunregister(H5Z_FILTER_DUMMY) < 0) goto error;*/
+ 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;
+}
+