mirror of
https://github.com/HDFGroup/hdf5.git
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256 lines
8.8 KiB
Java
256 lines
8.8 KiB
Java
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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* Copyright by The HDF Group. *
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* All rights reserved. *
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* *
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* This file is part of HDF5. The full HDF5 copyright notice, including *
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* terms governing use, modification, and redistribution, is contained in *
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* the COPYING file, which can be found at the root of the source code *
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* distribution tree, or in https://www.hdfgroup.org/licenses. *
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* If you do not have access to either file, you may request a copy from *
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* help@hdfgroup.org. *
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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package test;
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import static org.junit.Assert.assertFalse;
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import static org.junit.Assert.assertTrue;
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import static org.junit.Assert.fail;
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import java.io.File;
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import hdf.hdf5lib.H5;
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import hdf.hdf5lib.HDF5Constants;
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import hdf.hdf5lib.exceptions.HDF5Exception;
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import hdf.hdf5lib.exceptions.HDF5LibraryException;
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import org.junit.After;
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import org.junit.Before;
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import org.junit.Rule;
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import org.junit.Test;
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import org.junit.rules.TestName;
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public class TestH5Dplist {
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@Rule
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public TestName testname = new TestName();
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private static final String H5_FILE = "testDp.h5";
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private static final int DIM_X = 4;
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private static final int DIM_Y = 7;
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private static final int EDIM_X = 6;
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private static final int EDIM_Y = 10;
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private static final int CHUNK_X = 4;
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private static final int CHUNK_Y = 4;
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private static final int NDIMS = 2;
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private static final int FILLVAL = 99;
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private static final int RANK = 2;
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long H5fid = HDF5Constants.H5I_INVALID_HID;
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long H5dsid = HDF5Constants.H5I_INVALID_HID;
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long H5did = HDF5Constants.H5I_INVALID_HID;
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long H5dcpl_id = HDF5Constants.H5I_INVALID_HID;
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long[] H5dims = {DIM_X, DIM_Y};
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long[] H5extdims = {EDIM_X, EDIM_Y};
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long[] H5chunk_dims = {CHUNK_X, CHUNK_Y};
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long[] H5maxdims = {HDF5Constants.H5S_UNLIMITED, HDF5Constants.H5S_UNLIMITED};
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private final void _deleteFile(String filename)
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{
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File file = new File(filename);
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if (file.exists()) {
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try {
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file.delete();
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}
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catch (SecurityException e) {
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}
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}
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}
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private final void _createPDataset(long fid, long dsid, String name, long dcpl_val)
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{
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try {
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H5dcpl_id = H5.H5Pcreate(dcpl_val);
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}
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catch (Exception err) {
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err.printStackTrace();
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fail("H5.H5Pcreate: " + err);
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}
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assertTrue("TestH5Dplist._createPDataset: ", H5dcpl_id > 0);
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// Set the chunk size.
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try {
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H5.H5Pset_chunk(H5dcpl_id, NDIMS, H5chunk_dims);
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}
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catch (Exception e) {
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e.printStackTrace();
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}
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// Set the fill value for the dataset
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try {
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int[] fill_value = {FILLVAL};
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H5.H5Pset_fill_value(H5dcpl_id, HDF5Constants.H5T_NATIVE_INT, fill_value);
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}
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catch (Exception e) {
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e.printStackTrace();
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}
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// Set the allocation time to "early". This way we can be sure
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// that reading from the dataset immediately after creation will
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// return the fill value.
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try {
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H5.H5Pset_alloc_time(H5dcpl_id, HDF5Constants.H5D_ALLOC_TIME_EARLY);
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}
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catch (Exception e) {
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e.printStackTrace();
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}
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_createDataset(H5fid, H5dsid, "dset", H5dcpl_id, HDF5Constants.H5P_DEFAULT);
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}
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private final void _createDataset(long fid, long dsid, String name, long dcpl, long dapl)
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{
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try {
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H5did = H5.H5Dcreate(fid, name, HDF5Constants.H5T_STD_I32BE, dsid, HDF5Constants.H5P_DEFAULT,
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dcpl, dapl);
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}
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catch (Throwable err) {
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err.printStackTrace();
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fail("H5.H5Dcreate: " + err);
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}
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assertTrue("TestH5Dplist._createDataset: ", H5did > 0);
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}
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@Before
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public void createH5file() throws NullPointerException, HDF5Exception
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{
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assertTrue("H5 open ids is 0", H5.getOpenIDCount() == 0);
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System.out.print(testname.getMethodName());
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try {
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H5fid = H5.H5Fcreate(H5_FILE, HDF5Constants.H5F_ACC_TRUNC, HDF5Constants.H5P_DEFAULT,
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HDF5Constants.H5P_DEFAULT);
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H5dsid = H5.H5Screate_simple(RANK, H5dims, H5maxdims);
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}
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catch (Throwable err) {
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err.printStackTrace();
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fail("TestH5Dplist.createH5file: " + err);
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}
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assertTrue("TestH5Dplist.createH5file: H5.H5Fcreate: ", H5fid > 0);
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assertTrue("TestH5Dplist.createH5file: H5.H5Screate_simple: ", H5dsid > 0);
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H5.H5Fflush(H5fid, HDF5Constants.H5F_SCOPE_LOCAL);
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}
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@After
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public void deleteH5file() throws HDF5LibraryException
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{
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if (H5dcpl_id >= 0)
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try {
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H5.H5Pclose(H5dcpl_id);
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}
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catch (Exception ex) {
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}
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if (H5did > 0)
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try {
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H5.H5Dclose(H5did);
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}
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catch (Exception ex) {
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}
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if (H5dsid > 0)
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try {
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H5.H5Sclose(H5dsid);
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}
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catch (Exception ex) {
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}
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if (H5fid > 0)
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try {
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H5.H5Fclose(H5fid);
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}
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catch (Exception ex) {
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}
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_deleteFile(H5_FILE);
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System.out.println();
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}
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@Test
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public void testH5Dset_extent()
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{
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int[][] write_dset_data = new int[DIM_X][DIM_Y];
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int[][] read_dset_data = new int[DIM_X][DIM_Y];
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int[][] extend_dset_data = new int[EDIM_X][EDIM_Y];
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// Initialize the dataset.
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for (int indx = 0; indx < DIM_X; indx++)
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for (int jndx = 0; jndx < DIM_Y; jndx++)
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write_dset_data[indx][jndx] = indx * jndx - jndx;
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_createPDataset(H5fid, H5dsid, "dset", HDF5Constants.H5P_DATASET_CREATE);
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// Read values from the dataset, which has not been written to yet.
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try {
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H5.H5Dread(H5did, HDF5Constants.H5T_NATIVE_INT, HDF5Constants.H5S_ALL, HDF5Constants.H5S_ALL,
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HDF5Constants.H5P_DEFAULT, read_dset_data);
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}
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catch (Exception e) {
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e.printStackTrace();
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}
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assertTrue("testH5Dset_extent - H5.H5Dread: ", read_dset_data[0][0] == 99);
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// Write the data to the dataset.
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try {
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H5.H5Dwrite(H5did, HDF5Constants.H5T_NATIVE_INT, HDF5Constants.H5S_ALL, HDF5Constants.H5S_ALL,
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HDF5Constants.H5P_DEFAULT, write_dset_data);
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}
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catch (Exception e) {
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e.printStackTrace();
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}
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// Read the data back.
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try {
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H5.H5Dread(H5did, HDF5Constants.H5T_NATIVE_INT, HDF5Constants.H5S_ALL, HDF5Constants.H5S_ALL,
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HDF5Constants.H5P_DEFAULT, read_dset_data);
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}
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catch (Exception e) {
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e.printStackTrace();
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}
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assertTrue("testH5Dset_extent - H5.H5Dread: ", read_dset_data[3][6] == 12);
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// Extend the dataset.
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try {
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H5.H5Dset_extent(H5did, H5extdims);
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}
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catch (Exception e) {
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e.printStackTrace();
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}
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// Read from the extended dataset.
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try {
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H5.H5Dread(H5did, HDF5Constants.H5T_NATIVE_INT, HDF5Constants.H5S_ALL, HDF5Constants.H5S_ALL,
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HDF5Constants.H5P_DEFAULT, extend_dset_data);
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}
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catch (Exception e) {
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e.printStackTrace();
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}
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assertTrue("testH5Dset_extent - H5.H5Dread: ", extend_dset_data[3][6] == 12);
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assertTrue("testH5Dset_extent - H5.H5Dread: ", extend_dset_data[4][8] == 99);
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}
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@Test
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public void testH5P_dset_no_attrs_hint()
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{
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boolean ret_val_id = true;
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_createPDataset(H5fid, H5dsid, "dset", HDF5Constants.H5P_DATASET_CREATE);
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try {
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ret_val_id = H5.H5Pget_dset_no_attrs_hint(H5dcpl_id);
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assertFalse("H5P_dset_no_attrs_hint", ret_val_id);
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H5.H5Pset_dset_no_attrs_hint(H5dcpl_id, true);
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ret_val_id = H5.H5Pget_dset_no_attrs_hint(H5dcpl_id);
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assertTrue("H5P_dset_no_attrs_hint", ret_val_id);
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}
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catch (Throwable err) {
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err.printStackTrace();
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fail("H5P_dset_no_attrs_hint: " + err);
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}
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}
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}
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