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-rw-r--r--test/set_extent.c320
1 files changed, 320 insertions, 0 deletions
diff --git a/test/set_extent.c b/test/set_extent.c
new file mode 100644
index 0000000..3615e38
--- /dev/null
+++ b/test/set_extent.c
@@ -0,0 +1,320 @@
+
+#include "hdf5.h"
+#include "h5test.h"
+
+
+/*-------------------------------------------------------------------------
+ *
+ * Tests the function H5Dset_extent. In the current version of the library
+ * the dataset MUST be chunked.
+ *
+ *-------------------------------------------------------------------------
+ */
+
+#define RANK 2
+
+
+int main( void )
+{
+
+ hid_t file_id;
+ hid_t dataset_id;
+ hid_t space_id;
+ hid_t plist_id;
+ hsize_t dims[RANK] = { 90, 90 };
+ hsize_t dims_new[RANK] = { 70, 70 };
+ hsize_t dims_chunk[RANK] = { 20, 20 };
+ hsize_t dims_out[RANK];
+ hsize_t maxdims[RANK] = { H5S_UNLIMITED, H5S_UNLIMITED };
+ int data[ 90 ][ 90 ];
+ int buf1[ 70 ][ 70 ];
+ int buf2[ 90 ][ 90 ];
+ herr_t status;
+ int i, j, n = 0;
+
+
+ for( i = 0; i < 90; i++ )
+ {
+ for( j = 0; j < 90; j++ )
+ {
+ data[i][j] = n++;
+ }
+ }
+
+
+/*-------------------------------------------------------------------------
+ * Test H5Dset_extent with chunks on the raw data cache
+ *-------------------------------------------------------------------------
+ */
+
+ TESTING("extend dataset create");
+
+
+ /* Create a new file using default properties. */
+ file_id = H5Fcreate( "set_extent_create.h5", H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT );
+
+ /* Create the data space with unlimited dimensions. */
+ space_id = H5Screate_simple( RANK, dims, maxdims );
+
+ /* Modify dataset creation properties, i.e. enable chunking. */
+ plist_id = H5Pcreate (H5P_DATASET_CREATE);
+ status = H5Pset_chunk( plist_id, RANK, dims_chunk);
+
+
+/*-------------------------------------------------------------------------
+ * Create and write one dataset
+ *-------------------------------------------------------------------------
+ */
+
+ /* Create a new dataset */
+ dataset_id = H5Dcreate( file_id , "Dataset", H5T_NATIVE_INT, space_id, plist_id );
+
+ /* Write the data. */
+ status = H5Dwrite( dataset_id , H5T_NATIVE_INT, space_id, H5S_ALL, H5P_DEFAULT, data );
+
+/*-------------------------------------------------------------------------
+ * Set new dimensions for the array; shrink it
+ *-------------------------------------------------------------------------
+ */
+
+ /* Set new dimensions for the array. */
+ status = H5Dset_extent( dataset_id , dims_new );
+
+ /* Get the space. */
+ space_id = H5Dget_space( dataset_id );
+
+ /* Get dimensions. */
+ status = H5Sget_simple_extent_dims( space_id, dims_out, NULL);
+
+ if ( dims_out[0] != dims_new[0] )
+ goto out;
+
+
+/*-------------------------------------------------------------------------
+ * Read
+ *-------------------------------------------------------------------------
+ */
+
+ /* Read the new dataset. */
+ status = H5Dread( dataset_id, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, buf1 );
+
+
+ /* Compare the read array with the original array */
+ for( i = 0; i < dims_out[0]; i++ )
+ {
+ for( j = 0; j < dims_out[1]; j++ )
+ {
+ if ( buf1[i][j] != data[i][j] ) {
+ goto out;
+ }
+ }
+ }
+
+
+#if 0
+
+/*-------------------------------------------------------------------------
+ * Set new dimensions for the array; expand it again
+ *-------------------------------------------------------------------------
+ */
+
+ /* Set new dimensions for the array. */
+ status = H5Dset_extent( dataset_id , dims );
+
+ /* Get the space. */
+ space_id = H5Dget_space( dataset_id );
+
+ /* Get dimensions. */
+ status = H5Sget_simple_extent_dims( space_id, dims_out, NULL);
+
+ if ( dims_out[0] != dims[0] )
+ goto out;
+
+
+/*-------------------------------------------------------------------------
+ * Read
+ *-------------------------------------------------------------------------
+ */
+
+ /* Read the new dataset. */
+ status = H5Dread( dataset_id, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, buf2 );
+
+ /* Compare the read array with the original array */
+ for( i = 0; i < dims_out[0]; i++ )
+ {
+ for( j = 0; j < dims_out[1]; j++ )
+ {
+ if ( i > 70 || j > 70 )
+ {
+ if ( buf2[i][j] != 0 ) {
+ goto out;
+ }
+ }
+ else
+ {
+ if ( buf2[i][j] != data[i][j] ) {
+ goto out;
+ }
+ }
+
+ }
+ }
+
+#endif
+
+/*-------------------------------------------------------------------------
+ * Close/release resources
+ *-------------------------------------------------------------------------
+ */
+
+ H5Dclose( dataset_id );
+ H5Sclose( space_id );
+ H5Pclose( plist_id );
+ H5Fclose( file_id );
+
+
+
+ PASSED();
+
+
+/*-------------------------------------------------------------------------
+ * Test H5Dset_extent with chunks written to file
+ *-------------------------------------------------------------------------
+ */
+
+ TESTING("extend dataset read");
+
+ /* Create a new file using default properties. */
+ file_id = H5Fcreate( "set_extent_read.h5", H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT );
+
+ /* Create the data space with unlimited dimensions. */
+ space_id = H5Screate_simple( RANK, dims, maxdims );
+
+ /* Modify dataset creation properties, i.e. enable chunking. */
+ plist_id = H5Pcreate (H5P_DATASET_CREATE);
+ status = H5Pset_chunk( plist_id, RANK, dims_chunk);
+
+ /* Create a new dataset within the file using cparms creation properties. */
+ dataset_id = H5Dcreate( file_id , "Dataset", H5T_NATIVE_INT, space_id, plist_id );
+
+ /* Write the data. */
+ status = H5Dwrite( dataset_id , H5T_NATIVE_INT, space_id, H5S_ALL, H5P_DEFAULT, data );
+
+ /* Close/release resources. */
+ H5Dclose( dataset_id );
+ H5Sclose( space_id );
+ H5Pclose( plist_id );
+ H5Fclose( file_id );
+
+
+ /* Open the file */
+ file_id = H5Fopen( "set_extent_read.h5", H5F_ACC_RDWR, H5P_DEFAULT );
+
+ /* Open the dataset */
+ dataset_id = H5Dopen( file_id , "Dataset" );
+
+#if 0
+ /* Read the dataset. */
+ status = H5Dread( dataset_id, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, data );
+#endif
+
+ /* Set new dimensions for the array. */
+ status = H5Dset_extent( dataset_id, dims_new );
+
+ /* Get the space. */
+ space_id = H5Dget_space( dataset_id );
+
+ /* Get dimensions. */
+ status = H5Sget_simple_extent_dims( space_id, dims_out, NULL);
+
+ if ( dims_out[0] != dims_new[0] )
+ goto out;
+
+#if 1
+
+ /* Read the new dataset. */
+ status = H5Dread( dataset_id, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, buf1 );
+
+ /* Compare the read array with the original array */
+ for( i = 0; i < dims_out[0]; i++ )
+ {
+ for( j = 0; j < dims_out[1]; j++ )
+ {
+ if ( buf1[i][j] != data[i][j] ) {
+ goto out;
+ }
+ }
+ }
+#endif
+
+
+
+#if 0
+
+/*-------------------------------------------------------------------------
+ * Set new dimensions for the array; expand it again
+ *-------------------------------------------------------------------------
+ */
+
+ /* Set new dimensions for the array. */
+ status = H5Dset_extent( dataset_id , dims );
+
+ /* Get the space. */
+ space_id = H5Dget_space( dataset_id );
+
+ /* Get dimensions. */
+ status = H5Sget_simple_extent_dims( space_id, dims_out, NULL);
+
+ if ( dims_out[0] != dims[0] )
+ goto out;
+
+ /* Read the new dataset. */
+ status = H5Dread( dataset_id, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, buf2 );
+
+ /* Compare the read array with the original array */
+ for( i = 0; i < dims_out[0]; i++ )
+ {
+ for( j = 0; j < dims_out[1]; j++ )
+ {
+ if ( i > 70 || j > 70 )
+ {
+ if ( buf2[i][j] != 0 ) {
+ goto out;
+ }
+ }
+ else
+ {
+ if ( buf2[i][j] != data[i][j] ) {
+ goto out;
+ }
+ }
+
+ }
+ }
+
+#endif
+
+/*-------------------------------------------------------------------------
+ * Close/release resources
+ *-------------------------------------------------------------------------
+ */
+
+ H5Dclose( dataset_id );
+ H5Sclose( space_id );
+ H5Fclose( file_id );
+
+ PASSED();
+
+ return 0;
+
+
+out:
+ H5Dclose( dataset_id );
+ H5Sclose( space_id );
+ H5Pclose( plist_id );
+ H5Fclose( file_id );
+ H5_FAILED();
+ return 1;
+
+}
+
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