From ca73fde3ba444896894a56dda3dc9f79d06a7bcd Mon Sep 17 00:00:00 2001
From: Chee-Wai Lee <cwlee@ncsa.uiuc.edu>
Date: Fri, 10 Dec 1999 17:38:25 -0500
Subject: [svn-r1873] added new test for multiple dataset writes to parallel
 tests

---
 testpar/Makefile.in |  2 +-
 testpar/t_mdset.c   | 58 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 testpar/testphdf5.c |  7 ++++++-
 3 files changed, 65 insertions(+), 2 deletions(-)
 create mode 100644 testpar/t_mdset.c

diff --git a/testpar/Makefile.in b/testpar/Makefile.in
index 936f821..cdffca2 100644
--- a/testpar/Makefile.in
+++ b/testpar/Makefile.in
@@ -25,7 +25,7 @@ MOSTLYCLEAN=ParaEg[123].h5f
 DISTCLEAN=go
 
 ## Test source files
-TEST_SRC=testphdf5.c t_dset.c t_file.c t_mpi.c
+TEST_SRC=testphdf5.c t_dset.c t_file.c t_mpi.c t_mdset.c
 TEST_OBJ=$(TEST_SRC:.c=.lo)
 TEST_HDR=testphdf5.h
 
diff --git a/testpar/t_mdset.c b/testpar/t_mdset.c
new file mode 100644
index 0000000..77354d6
--- /dev/null
+++ b/testpar/t_mdset.c
@@ -0,0 +1,58 @@
+#include <testphdf5.h>
+
+#define DIM  2
+#define SIZE 10
+#define NUMITEMS 500 /* 988 */
+
+void multiple_dset_write(char *filename)
+{
+  int i, j, nprocs, rank;
+  hid_t iof, plist, dataset, memspace, filespace;
+  hssize_t chunk_origin [DIM];
+  hsize_t chunk_dims [DIM], file_dims [DIM];
+  double outme [SIZE][SIZE];
+
+  MPI_Comm_rank (MPI_COMM_WORLD, &rank);
+  MPI_Comm_size (MPI_COMM_WORLD, &nprocs);
+
+  chunk_origin [0] = 0;
+  chunk_origin [1] = rank * (SIZE / nprocs);
+  chunk_dims [0] = SIZE;
+  chunk_dims [1] = SIZE / nprocs;
+
+  for (i = 0; i < DIM; i++)
+    file_dims [i] = SIZE;
+
+  for (i = 0; i < SIZE; i++)
+    for (j = 0; j < SIZE; j++)
+      outme [i][j] = rank;
+
+  plist = H5Pcreate (H5P_FILE_ACCESS);
+  H5Pset_fapl_mpio(plist, MPI_COMM_WORLD, MPI_INFO_NULL);
+  iof = H5Fcreate (filename, H5F_ACC_TRUNC, H5P_DEFAULT, plist);
+  H5Pclose (plist);
+
+  memspace = H5Screate_simple (DIM, chunk_dims, NULL);
+  filespace = H5Screate_simple (DIM, file_dims, NULL);
+  H5Sselect_hyperslab (filespace, H5S_SELECT_SET, chunk_origin, NULL, chunk_dims
+, NULL);
+
+  for (i = 0; i < NUMITEMS; i++) {
+    char dname [100];
+
+    sprintf (dname, "dataset %d", i);
+    dataset = H5Dcreate (iof, dname, H5T_NATIVE_FLOAT, filespace, H5P_DEFAULT);
+    if (dataset < 0) {
+      fprintf (stderr, "proc %d: failed to create dataset %d\n", rank, i);
+      exit (-1);
+    }
+
+    H5Dwrite (dataset, H5T_NATIVE_DOUBLE, memspace, filespace, H5P_DEFAULT, outme);
+
+    H5Dclose (dataset);
+  }
+
+  H5Sclose (filespace);
+  H5Sclose (memspace);
+  H5Fclose (iof);
+}
diff --git a/testpar/testphdf5.c b/testpar/testphdf5.c
index 9085f19..c21a90b 100644
--- a/testpar/testphdf5.c
+++ b/testpar/testphdf5.c
@@ -34,7 +34,8 @@ int doread=1;				/* read test */
 int dowrite=1;				/* write test */
 char    *filenames[]={ "ParaEg1.h5f",
 		       "ParaEg2.h5f",
-		       "ParaEg3.h5f" };
+		       "ParaEg3.h5f",
+                       "Mdset.h5f" };
 
 
 
@@ -252,6 +253,10 @@ main(int argc, char **argv)
 
 	MPI_BANNER("testing extendible dataset independent write...");
 	extend_writeInd(filenames[2]);
+
+	MPI_BANNER("testing multiple datasets write ...");
+	multiple_dset_write(filenames[3]);
+
     }
     if (doread){
 	MPI_BANNER("testing dataset independent read...");
-- 
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