[svn-r14903] Undoing change committed in r14902.

1 files changed, 153 insertions, 0 deletions

diff --git a/test/chunk_info.c b/test/chunk_info.c
new file mode 100644
index 0000000..48db292
--- /dev/null
+++ b/test/chunk_info.c
@@ -0,0 +1,153 @@
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * Copyright by The HDF Group.                                               *
+ * Copyright by the Board of Trustees of the University of Illinois.         *
+ * 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 HDF5 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:  Pedro Vicente <pvn@hdfgroup.edu>
+ *              April 7, 2008
+ *
+ * Purpose:     Tests the H5Dget_chunk_info API function
+ *              This program writes a 4x4 dataset by iterating on 2x2 chunks
+ *               at a time
+ */
+
+
+#include "hdf5.h"
+#include "h5test.h"
+
+#define PRINT_DATA
+#define H5FILE_NAME "chunk_info.h5"
+#define DATASETNAME "2d"
+#define RANK         2
+
+
+int main( void )
+{
+    
+    hid_t   fid;      /* file ID */
+    hid_t   did;      /* dataset ID */
+    hid_t   f_sid;    /* file space ID */
+    hid_t   m_sid;    /* memory space ID */
+    hid_t   pid;      /* property list ID */
+    hsize_t start[2]; /* chunk location to start writing */
+    hsize_t dims[2]  = { 4, 4};       
+    hsize_t chunk_dims[2] = { 2, 2 };
+    int     chunk_data[2][2] = { {1, 1}, {1, 1} }; 
+    int     buf[4][4];  
+    int     fillvalue = 0;
+    int     i, j, ii, jj;
+
+    /* create a new file using default properties. */
+    if ((fid = H5Fcreate(H5FILE_NAME, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT)) < 0) TEST_ERROR;
+    /* create the file space */
+    if ((f_sid = H5Screate_simple(RANK, dims, dims)) < 0) TEST_ERROR;
+    /* create the memory space with chunk dimensions */
+    if ((m_sid = H5Screate_simple(RANK, chunk_dims, chunk_dims)) < 0) TEST_ERROR;
+    start[0] = 0;
+    start[1] = 0;
+    if (H5Sselect_hyperslab(m_sid, H5S_SELECT_SET, start, NULL, chunk_dims, NULL) < 0) TEST_ERROR;
+
+    TESTING("chunk info");
+
+   /*-------------------------------------------------------------------------
+    * create a dataset
+    *-------------------------------------------------------------------------
+    */
+
+    /* modify dataset creation properties, i.e. enable chunking. */
+    if ((pid = H5Pcreate (H5P_DATASET_CREATE)) < 0) TEST_ERROR;
+    if (H5Pset_chunk(pid, RANK, chunk_dims) < 0) TEST_ERROR;
+    if (H5Pset_fill_value(pid, H5T_NATIVE_INT, &fillvalue) < 0) TEST_ERROR;
+
+    /* create a new dataset */
+    if((did = H5Dcreate2(fid , DATASETNAME, H5T_NATIVE_INT, f_sid, H5P_DEFAULT, pid, H5P_DEFAULT)) < 0) TEST_ERROR;
+
+
+   /*-------------------------------------------------------------------------
+    * write the dataset in 2x2 chunks
+    *-------------------------------------------------------------------------
+    */
+
+    /* iterate in dim 0 */
+    for (j = 0; j < chunk_dims[0]; j++)
+    {
+        
+        /* reset start in dim 1 */
+        start[1] = 0;
+        
+        /* iterate in dim 1 */
+        for (i = 0; i < chunk_dims[1]; i++)
+        {
+            
+            /* select file hyperslab to save a 2x2 chunk */
+            if (H5Sselect_hyperslab(f_sid, H5S_SELECT_SET, start, NULL, chunk_dims, NULL) < 0) TEST_ERROR;
+            
+            /* write the data to the hyperslab. */
+            if (H5Dwrite(did, H5T_NATIVE_INT, m_sid, f_sid, H5P_DEFAULT, chunk_data) < 0) TEST_ERROR; 
+         
+            /* read back and display complete dataset 4x4 */   
+            if (H5Dread(did, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, buf) < 0) TEST_ERROR; 
+
+
+#if defined (PRINT_DATA)
+            printf("\n");
+            printf("dataset: \n");
+            for (jj = 0; jj < dims[0]; jj++) {
+                for (ii = 0; ii < dims[1]; ii++) printf("%d ", buf[jj][ii]);
+                printf("\n");
+            }
+#endif
+            
+            
+            /* increment start in dim 1 */
+            start[1] += 2;
+            
+            
+        }
+        
+        /* increment start in dim 0 */
+        start[0] += 2;
+    }
+
+
+
+   /*-------------------------------------------------------------------------
+    * close
+    *-------------------------------------------------------------------------
+    */
+
+    if (H5Dclose(did) < 0) TEST_ERROR
+    if (H5Sclose(f_sid) < 0) TEST_ERROR
+    if (H5Sclose(m_sid) < 0) TEST_ERROR
+    if (H5Pclose(pid) < 0) TEST_ERROR
+    if (H5Fclose(fid) < 0) TEST_ERROR
+
+    PASSED();
+  
+    puts("All chunk info tests passed.");
+    return 0;
+
+
+error:
+    H5Dclose( did );
+    H5Sclose( f_sid );
+    H5Sclose( m_sid );
+    H5Pclose( pid  );
+    H5Fclose( fid );
+    H5_FAILED();
+    return 1;
+}
+
+
+