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hdf5/java/test/TestH5Arw.java
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Allen Byrne b754dcb8f2 Move Java wrappers to FFM using jextract and java 25 (#5957) 
FFM build requires Java 25, Jextract 25.
Generates FFM bindings during configure.
JNI is default when the requirements are not met or can be forced.
Presets added for maven and FFM - JNI is default selection.
Enhanced Maven options will work with either JNI or FFM
New Workflows for testing and maven uploads.
Extensive documentation changes for java.
2025-11-04 14:03:06 -06:00

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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright by The HDF Group. *
* 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 LICENSE file, which can be found at the root of the source code *
* distribution tree, or in https://www.hdfgroup.org/licenses. *
* If you do not have access to either file, you may request a copy from *
* help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
package test;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import java.io.File;
import hdf.hdf5lib.H5;
import hdf.hdf5lib.HDF5Constants;
import hdf.hdf5lib.HDFNativeData;
import hdf.hdf5lib.callbacks.H5A_iterate_cb;
import hdf.hdf5lib.callbacks.H5A_iterate_t;
import hdf.hdf5lib.exceptions.HDF5Exception;
import hdf.hdf5lib.exceptions.HDF5LibraryException;
import org.junit.After;
import org.junit.Before;
import org.junit.Ignore;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.TestName;
public class TestH5Arw {
@Rule
public TestName testname = new TestName();
private static final String H5_INTS_FILE = "tintsattrs.h5";
private static final String H5_FLTS_FILE = "tfloatsattrs.h5";
private static final int DIM_X = 8;
private static final int DIM8_Y = 8;
private static final int DIM16_Y = 16;
private static final int DIM32_Y = 32;
private static final int DIM64_Y = 64;
private static final int DIM128_Y = 128;
private static final String DATASETU08 = "DU08BITS";
private static final String DATASETS08 = "DS08BITS";
private static final String DATASETU16 = "DU16BITS";
private static final String DATASETS16 = "DS16BITS";
private static final String DATASETU32 = "DU32BITS";
private static final String DATASETS32 = "DS32BITS";
private static final String DATASETU64 = "DU64BITS";
private static final String DATASETS64 = "DS64BITS";
private static final String DATASETF32 = "DS32BITS";
private static final String DATASETF64 = "DS64BITS";
private static final String DATASETF128 = "DS128BITS";
private static final int RANK = 2;
long H5fid = HDF5Constants.H5I_INVALID_HID;
long H5aid = HDF5Constants.H5I_INVALID_HID;
long H5did = HDF5Constants.H5I_INVALID_HID;
private final void _closeH5file() throws HDF5LibraryException
{
if (H5aid >= 0)
try {
H5.H5Aclose(H5aid);
}
catch (Exception ex) {
}
if (H5did >= 0)
try {
H5.H5Dclose(H5did);
}
catch (Exception ex) {
}
if (H5fid > 0)
try {
H5.H5Fclose(H5fid);
}
catch (Exception ex) {
}
}
public void openH5file(String filename, String dsetname)
{
try {
H5fid = H5.H5Fopen(filename, HDF5Constants.H5F_ACC_RDONLY, HDF5Constants.H5P_DEFAULT);
}
catch (Throwable err) {
err.printStackTrace();
fail("TestH5Arw._openH5file: " + err);
}
assertTrue("TestH5Arw._openH5file: H5.H5Fopen: ", H5fid >= 0);
try {
H5did = H5.H5Dopen(H5fid, dsetname, HDF5Constants.H5P_DEFAULT);
}
catch (Throwable err) {
err.printStackTrace();
fail("TestH5Arw._openH5file: " + err);
}
assertTrue("TestH5Arw._openH5file: H5.H5Dopen: ", H5did >= 0);
try {
H5aid = H5.H5Aopen(H5did, dsetname, HDF5Constants.H5P_DEFAULT);
}
catch (Throwable err) {
err.printStackTrace();
fail("TestH5Arw._openH5file: " + err);
}
assertTrue("TestH5Arw._openH5file: H5.H5Aopen: ", H5aid >= 0);
}
@After
public void closeH5file() throws HDF5LibraryException
{
if (H5aid >= 0)
try {
H5.H5Aclose(H5aid);
}
catch (Exception ex) {
}
if (H5did >= 0)
try {
H5.H5Dclose(H5did);
}
catch (Exception ex) {
}
if (H5fid > 0)
try {
H5.H5Fclose(H5fid);
}
catch (Exception ex) {
}
H5fid = HDF5Constants.H5I_INVALID_HID;
H5did = HDF5Constants.H5I_INVALID_HID;
H5aid = HDF5Constants.H5I_INVALID_HID;
System.out.println();
}
@Before
public void verifyCount() throws NullPointerException, HDF5Exception
{
assertTrue("H5 open ids is 0", H5.getOpenIDCount() == 0);
System.out.print(testname.getMethodName());
}
@Test
public void testH5Aread_8bit_ints()
{
byte[][] attr_data = new byte[DIM_X][DIM8_Y];
try {
openH5file(H5_INTS_FILE, DATASETU08);
}
catch (Throwable err) {
err.printStackTrace();
fail("testH5Aread_8bit_ints: openH5file: " + err);
}
// Read data.
try {
H5.H5Aread(H5aid, HDF5Constants.H5T_NATIVE_UINT8, attr_data);
}
catch (Exception err) {
err.printStackTrace();
fail("testH5Aread_8bit_ints: H5Aread: " + err);
}
// End access to the attribute and release resources used by it.
try {
H5.H5Aclose(H5aid);
}
catch (Exception err) {
err.printStackTrace();
}
// End access to the dataset and release resources used by it.
try {
H5.H5Dclose(H5did);
}
catch (Exception err) {
err.printStackTrace();
}
// Open an existing dataset.
try {
H5did = H5.H5Dopen(H5fid, DATASETS08, HDF5Constants.H5P_DEFAULT);
}
catch (Exception err) {
err.printStackTrace();
fail("testH5Aread_8bit_ints: H5Dopen: " + err);
}
// Open an existing attribute.
try {
H5aid = H5.H5Aopen(H5did, DATASETS08, HDF5Constants.H5P_DEFAULT);
}
catch (Exception err) {
err.printStackTrace();
fail("testH5Aread_8bit_ints: H5Aopen: " + err);
}
// Read data.
try {
H5.H5Aread(H5aid, HDF5Constants.H5T_NATIVE_INT8, attr_data);
}
catch (Exception err) {
err.printStackTrace();
fail("testH5Aread_8bit_ints: H5Aread: " + err);
}
}
@Test
public void testH5Aread_16bit_ints()
{
short[][] attr_data = new short[DIM_X][DIM16_Y];
try {
openH5file(H5_INTS_FILE, DATASETU16);
}
catch (Throwable err) {
err.printStackTrace();
fail("testH5Aread_16bit_ints: openH5file: " + err);
}
// Read data.
try {
H5.H5Aread(H5aid, HDF5Constants.H5T_NATIVE_UINT16, attr_data);
}
catch (Exception err) {
err.printStackTrace();
fail("testH5Aread_16bit_ints: H5Aread: " + err);
}
// End access to the attribute and release resources used by it.
try {
H5.H5Aclose(H5aid);
}
catch (Exception err) {
err.printStackTrace();
}
// End access to the dataset and release resources used by it.
try {
H5.H5Dclose(H5did);
}
catch (Exception err) {
err.printStackTrace();
}
// Open an existing dataset.
try {
H5did = H5.H5Dopen(H5fid, DATASETS16, HDF5Constants.H5P_DEFAULT);
}
catch (Exception err) {
err.printStackTrace();
fail("testH5Aread_16bit_ints: H5Dopen: " + err);
}
// Open an existing attribute.
try {
H5aid = H5.H5Aopen(H5did, DATASETS16, HDF5Constants.H5P_DEFAULT);
}
catch (Exception err) {
err.printStackTrace();
fail("testH5Aread_16bit_ints: H5Aopen: " + err);
}
// Read data.
try {
H5.H5Aread(H5aid, HDF5Constants.H5T_NATIVE_INT16, attr_data);
}
catch (Exception err) {
err.printStackTrace();
fail("testH5Aread_16bit_ints: H5Aread: " + err);
}
}
@Test
public void testH5Aread_32bit_ints()
{
int[][] attr_data = new int[DIM_X][DIM32_Y];
try {
openH5file(H5_INTS_FILE, DATASETU32);
}
catch (Throwable err) {
err.printStackTrace();
fail("testH5Aread_32bit_ints: openH5file: " + err);
}
// Read data.
try {
H5.H5Aread(H5aid, HDF5Constants.H5T_NATIVE_UINT32, attr_data);
}
catch (Exception err) {
err.printStackTrace();
fail("testH5Aread_32bit_ints: H5Aread: " + err);
}
// End access to the attribute and release resources used by it.
try {
H5.H5Aclose(H5aid);
}
catch (Exception err) {
err.printStackTrace();
}
// End access to the dataset and release resources used by it.
try {
H5.H5Dclose(H5did);
}
catch (Exception err) {
err.printStackTrace();
}
// Open an existing dataset.
try {
H5did = H5.H5Dopen(H5fid, DATASETS32, HDF5Constants.H5P_DEFAULT);
}
catch (Exception err) {
err.printStackTrace();
fail("testH5Aread_32bit_ints: H5Dopen: " + err);
}
// Open an existing attribute.
try {
H5aid = H5.H5Aopen(H5did, DATASETS32, HDF5Constants.H5P_DEFAULT);
}
catch (Exception err) {
err.printStackTrace();
fail("testH5Aread_32bit_ints: H5Aopen: " + err);
}
// Read data.
try {
H5.H5Aread(H5aid, HDF5Constants.H5T_NATIVE_INT32, attr_data);
}
catch (Exception err) {
err.printStackTrace();
fail("testH5Aread_32bit_ints: H5Aread: " + err);
}
}
@Test
public void testH5Aread_64bit_ints()
{
long[][] attr_data = new long[DIM_X][DIM64_Y];
try {
openH5file(H5_INTS_FILE, DATASETU64);
}
catch (Throwable err) {
err.printStackTrace();
fail("testH5Aread_64bit_ints: openH5file: " + err);
}
// Read data.
try {
H5.H5Aread(H5aid, HDF5Constants.H5T_NATIVE_UINT64, attr_data);
}
catch (Exception err) {
err.printStackTrace();
fail("testH5Aread_64bit_ints: H5Aread: " + err);
}
// End access to the attribute and release resources used by it.
try {
H5.H5Aclose(H5aid);
}
catch (Exception err) {
err.printStackTrace();
}
// End access to the dataset and release resources used by it.
try {
H5.H5Dclose(H5did);
}
catch (Exception err) {
err.printStackTrace();
}
// Open an existing dataset.
try {
H5did = H5.H5Dopen(H5fid, DATASETS64, HDF5Constants.H5P_DEFAULT);
}
catch (Exception err) {
err.printStackTrace();
fail("testH5Aread_64bit_ints: H5Dopen: " + err);
}
// Open an existing attribute.
try {
H5aid = H5.H5Aopen(H5did, DATASETS64, HDF5Constants.H5P_DEFAULT);
}
catch (Exception err) {
err.printStackTrace();
fail("testH5Aread_64bit_ints: H5Aopen: " + err);
}
// Read data.
try {
H5.H5Aread(H5aid, HDF5Constants.H5T_NATIVE_INT64, attr_data);
}
catch (Exception err) {
err.printStackTrace();
fail("testH5Aread_64bit_ints: H5Aread: " + err);
}
}
@Test
public void testH5Aread_32bit_floats()
{
float[][] attr_data = new float[DIM_X][DIM32_Y];
try {
openH5file(H5_FLTS_FILE, DATASETF32);
}
catch (Throwable err) {
err.printStackTrace();
fail("testH5Aread_32bit_floats: openH5file: " + err);
}
// Read data.
try {
H5.H5Aread(H5aid, HDF5Constants.H5T_NATIVE_FLOAT, attr_data);
}
catch (Exception err) {
err.printStackTrace();
fail("testH5Aread_32bit_floats: H5Aread: " + err);
}
for (int i = 0; i < DIM_X; i++)
assertTrue("testH5Aread_32bit_floats - H5.H5Aread: ", attr_data[i][0] == (32 - i));
}
@Test
public void testH5Aread_64bit_floats()
{
double[][] attr_data = new double[DIM_X][DIM64_Y];
try {
openH5file(H5_FLTS_FILE, DATASETF64);
}
catch (Throwable err) {
err.printStackTrace();
fail("testH5Aread_64bit_floats: openH5file: " + err);
}
// Read data.
try {
H5.H5Aread(H5aid, HDF5Constants.H5T_NATIVE_DOUBLE, attr_data);
}
catch (Exception err) {
err.printStackTrace();
fail("testH5Aread_64bit_floats: H5Aread: " + err);
}
for (int i = 0; i < DIM_X; i++)
assertTrue("testH5Aread_64bit_floats - H5.H5Aread: ", attr_data[i][0] == (64 - i));
}
@Ignore
public void testH5Aread_128bit_floats()
{
byte[][][] attr_data = new byte[DIM_X][DIM128_Y][8];
try {
openH5file(H5_FLTS_FILE, DATASETF128);
}
catch (Throwable err) {
err.printStackTrace();
fail("testH5Aread_128bit_floats: openH5file: " + err);
}
// Read data.
try {
H5.H5Aread(H5aid, HDF5Constants.H5T_NATIVE_LDOUBLE, attr_data);
}
catch (Exception err) {
err.printStackTrace();
fail("testH5Aread_128bit_floats: H5Aread: " + err);
}
}
}
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