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-rw-r--r--testpar/t_mdset.c98
-rw-r--r--testpar/testphdf5.c31
-rw-r--r--testpar/testphdf5.h1
3 files changed, 121 insertions, 9 deletions
diff --git a/testpar/t_mdset.c b/testpar/t_mdset.c
index 953dab1..f04be6d 100644
--- a/testpar/t_mdset.c
+++ b/testpar/t_mdset.c
@@ -111,7 +111,8 @@ void multiple_dset_write(void)
H5Fclose (iof);
}
-/* Example of using PHDF5 to create, write, and read compact dataset.
+/*
+ * Example of using PHDF5 to create, write, and read compact dataset.
*/
void compact_dataset(void)
{
@@ -197,6 +198,101 @@ void compact_dataset(void)
H5Fclose(iof);
}
+/*
+ * Example of using PHDF5 to create, write, and read dataset and attribute of Null dataspace.
+ */
+void null_dataset(void)
+{
+ int mpi_size, mpi_rank;
+ hbool_t use_gpfs = FALSE;
+ hid_t iof, plist, dxpl, dataset, attr, sid;
+ unsigned uval=2; /* Buffer for writing to dataset */
+ int val=1; /* Buffer for writing to attribute */
+ int nelem;
+ char dname[]="dataset";
+ char attr_name[]="attribute";
+ herr_t ret;
+ char *filename;
+
+ MPI_Comm_rank (MPI_COMM_WORLD, &mpi_rank);
+ MPI_Comm_size (MPI_COMM_WORLD, &mpi_size);
+
+ filename = (char *) GetTestParameters();
+ VRFY((mpi_size <= SIZE), "mpi_size <= SIZE");
+
+ plist = create_faccess_plist(MPI_COMM_WORLD, MPI_INFO_NULL, facc_type, use_gpfs);
+ iof = H5Fcreate (filename, H5F_ACC_TRUNC, H5P_DEFAULT, plist);
+
+ /* Define data space */
+ sid = H5Screate(H5S_NULL);
+
+ /* Check that the null dataspace actually has 0 elements */
+ nelem = H5Sget_simple_extent_npoints(sid);
+ VRFY((nelem== 0), "H5Sget_simple_extent_npoints");
+
+ /* Create a compact dataset */
+ dataset = H5Dcreate (iof, dname, H5T_NATIVE_UINT, sid, H5P_DEFAULT);
+ VRFY((dataset >= 0), "H5Dcreate succeeded");
+
+ /* set up the collective transfer properties list */
+ dxpl = H5Pcreate (H5P_DATASET_XFER);
+ VRFY((dxpl >= 0), "");
+ ret=H5Pset_dxpl_mpio(dxpl, H5FD_MPIO_COLLECTIVE);
+ VRFY((ret >= 0), "H5Pcreate xfer succeeded");
+
+ /* Write "nothing" to the dataset (with type conversion) */
+ ret=H5Dwrite (dataset, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, dxpl, &uval);
+ VRFY((ret >= 0), "H5Dwrite succeeded");
+
+ /* Create an attribute for the group */
+ attr=H5Acreate(dataset,attr_name,H5T_NATIVE_UINT,sid,H5P_DEFAULT);
+ VRFY((attr>=0), "H5Acreate");
+
+ /* Write "nothing" to the attribute (with type conversion) */
+ ret = H5Awrite(attr, H5T_NATIVE_INT, &val);
+ VRFY((ret>=0), "H5Awrite");
+
+ H5Aclose (attr);
+ H5Dclose (dataset);
+ H5Pclose (plist);
+ H5Sclose (sid);
+ H5Fclose (iof);
+
+ /* Open the file and dataset, read and compare the data. */
+ plist = create_faccess_plist(MPI_COMM_WORLD, MPI_INFO_NULL, facc_type, use_gpfs);
+ iof = H5Fopen(filename, H5F_ACC_RDONLY, plist);
+ VRFY((iof >= 0), "H5Fopen succeeded");
+
+ /* set up the collective transfer properties list */
+ dxpl = H5Pcreate (H5P_DATASET_XFER);
+ VRFY((dxpl >= 0), "");
+ ret=H5Pset_dxpl_mpio(dxpl, H5FD_MPIO_COLLECTIVE);
+ VRFY((ret >= 0), "H5Pcreate xfer succeeded");
+
+ dataset = H5Dopen(iof, dname);
+ VRFY((dataset >= 0), "H5Dcreate succeeded");
+
+ /* Try reading from the dataset (make certain our buffer is unmodified) */
+ ret = H5Dread(dataset, H5T_NATIVE_UINT, H5S_ALL, H5S_ALL, dxpl, &uval);
+ VRFY((ret>=0), "H5Dread");
+ VRFY((uval==2), "H5Dread");
+
+ /* Open the attribute for the dataset */
+ attr=H5Aopen_name(dataset,attr_name);
+ VRFY((attr>=0), "H5Aopen_name");
+
+ /* Try reading from the attribute (make certain our buffer is unmodified) */
+ ret = H5Aread(attr, H5T_NATIVE_INT, &val);
+ VRFY((ret>=0), "H5Aread");
+ VRFY((val==1), "H5Aread");
+
+ H5Pclose(plist);
+ H5Pclose(dxpl);
+ H5Aclose (attr);
+ H5Dclose(dataset);
+ H5Fclose(iof);
+}
+
/* Example of using PHDF5 to create "large" datasets. (>2GB, >4GB, >8GB)
* Actual data is _not_ written to these datasets. Dataspaces are exact
* sizes (2GB, 4GB, etc.), but the metadata for the file pushes the file over
diff --git a/testpar/testphdf5.c b/testpar/testphdf5.c
index 45b1ca7..990095e 100644
--- a/testpar/testphdf5.c
+++ b/testpar/testphdf5.c
@@ -42,22 +42,24 @@ void *old_client_data; /* previous error handler arg.*/
int doread=1; /* read test */
int dowrite=1; /* write test */
int docompact=1; /* compact dataset test */
+int donull=1; /* null dataset test */
int doindependent=1; /* independent test */
unsigned dobig=0; /* "big" dataset tests */
/* FILENAME and filenames must have the same number of names */
-const char *FILENAME[10]={
+const char *FILENAME[11]={
"ParaEg1",
"ParaEg2",
"ParaEg3",
"ParaMdset",
"ParaMgroup",
"ParaCompact",
+ "ParaNull",
"ParaIndividual",
"ParaBig",
"ParaFill",
NULL};
-char filenames[10][PATH_MAX];
+char filenames[11][PATH_MAX];
hid_t fapl; /* file access property list */
#ifdef USE_PAUSE
@@ -126,6 +128,7 @@ usage(void)
printf("\t-n<n_groups>"
"\tset number of groups for the multiple group test\n");
printf("\t-o\t\tno compact dataset test\n");
+ printf("\t-e\t\tno null dataset test\n");
printf("\t-i\t\tno independent read test\n");
printf("\t-b\t\trun big dataset test\n");
printf("\t-v<verbosity>\tset verbose level (0-9,l,m,h)\n");
@@ -178,6 +181,8 @@ parse_options(int argc, char **argv)
break;
case 'o': docompact = 0;
break;
+ case 'e': donull = 0;
+ break;
case 'i': doindependent = 0;
break;
case 'b': dobig = 1;
@@ -443,6 +448,8 @@ int main(int argc, char **argv)
AddTest("compact", compact_dataset, NULL,
"compact dataset test", filenames[5]);
+ AddTest("null", null_dataset, NULL,
+ "null dataset test", filenames[6]);
collngroups_params.name = filenames[6];
collngroups_params.count = ngroups;
@@ -550,13 +557,21 @@ int main(int argc, char **argv)
else {
MPI_BANNER("compact dataset test skipped");
}
-
+
+ if (donull){
+ MPI_BANNER("null dataset test...");
+ null_dataset(filenames[6]);
+ }
+ else {
+ MPI_BANNER("null dataset test skipped");
+ }
+
if (doindependent){
MPI_BANNER("collective group and dataset write ...");
- collective_group_write(filenames[6], ngroups);
+ collective_group_write(filenames[7], ngroups);
if (doread) {
MPI_BANNER("independent group and dataset read ...");
- independent_group_read(filenames[6], ngroups);
+ independent_group_read(filenames[7], ngroups);
}
}
else{
@@ -565,17 +580,17 @@ int main(int argc, char **argv)
if (dobig && sizeof(MPI_Offset)>4){
MPI_BANNER("big dataset test...");
- big_dataset(filenames[7]);
+ big_dataset(filenames[8]);
}
else {
MPI_BANNER("big dataset test skipped");
}
MPI_BANNER("dataset fill value test...");
- dataset_fillvalue(filenames[8]);
+ dataset_fillvalue(filenames[9]);
#endif
- if (!(dowrite || doread || ndatasets || ngroups || docompact || doindependent || dobig )){
+ if (!(dowrite || doread || ndatasets || ngroups || docompact || donull || doindependent || dobig )){
usage();
nerrors++;
}
diff --git a/testpar/testphdf5.h b/testpar/testphdf5.h
index f757e7c..968ee28 100644
--- a/testpar/testphdf5.h
+++ b/testpar/testphdf5.h
@@ -159,6 +159,7 @@ void dataset_readAll(void);
void extend_readInd(void);
void extend_readAll(void);
void compact_dataset(void);
+void null_dataset(void);
void big_dataset(void);
void dataset_fillvalue(void);