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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* 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 COPYING file, which can be found at the root of the source code *
* distribution tree, or in https://support.hdfgroup.org/ftp/HDF5/releases. *
* 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.assertTrue;
import static org.junit.Assert.fail;
import java.io.File;
import java.text.DecimalFormat;
import java.text.NumberFormat;
import hdf.hdf5lib.H5;
import hdf.hdf5lib.HDF5Constants;
import hdf.hdf5lib.exceptions.HDF5Exception;
import hdf.hdf5lib.exceptions.HDF5LibraryException;
import org.junit.After;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.TestName;
public class TestH5PData {
@Rule public TestName testname = new TestName();
private static final String H5_FILE = "testPD.h5";
private static final int DIM_X = 12;
private static final int DIM_Y = 18;
long H5fid = -1;
long H5dsid = -1;
long H5did = -1;
long plist_id = -1;
long[] H5dims = { DIM_X, DIM_Y };
double windchillF[][] =
{{36.0, 31.0, 25.0, 19.0, 13.0, 7.0, 1.0, -5.0, -11.0, -16.0, -22.0, -28.0, -34.0, -40.0, -46.0, -52.0, -57.0, -63.0},
{34.0, 27.0, 21.0, 15.0, 9.0, 3.0, -4.0, -10.0, -16.0, -22.0, -28.0, -35.0, -41.0, -47.0, -53.0, -59.0, -66.0, -72.0},
{32.0, 25.0, 19.0, 13.0, 6.0, 0.0, -7.0, -13.0, -19.0, -26.0, -32.0, -39.0, -45.0, -51.0, -58.0, -64.0, -71.0, -77.0},
{30.0, 24.0, 17.0, 11.0, 4.0, -2.0, -9.0, -15.0, -22.0, -29.0, -35.0, -42.0, -48.0, -55.0, -61.0, -68.0, -74.0, -81.0},
{29.0, 23.0, 16.0, 9.0, 3.0, -4.0, -11.0, -17.0, -24.0, -31.0, -37.0, -44.0, -51.0, -58.0, -64.0, -71.0, -78.0, -84.0},
{28.0, 22.0, 15.0, 8.0, 1.0, -5.0, -12.0, -19.0, -26.0, -33.0, -39.0, -46.0, -53.0, -60.0, -67.0, -73.0, -80.0, -87.0},
{28.0, 21.0, 14.0, 7.0, 0.0, -7.0, -14.0, -21.0, -27.0, -34.0, -41.0, -48.0, -55.0, -62.0, -69.0, -76.0, -82.0, -89.0},
{27.0, 20.0, 13.0, 6.0, -1.0, -8.0, -15.0, -22.0, -29.0, -36.0, -43.0, -50.0, -57.0, -64.0, -71.0, -78.0, -84.0, -91.0},
{26.0, 19.0, 12.0, 5.0, -2.0, -9.0, -16.0, -23.0, -30.0, -37.0, -44.0, -51.0, -58.0, -65.0, -72.0, -79.0, -86.0, -93.0},
{26.0, 19.0, 12.0, 4.0, -3.0, -10.0, -17.0, -24.0, -31.0, -38.0, -45.0, -52.0, -60.0, -67.0, -74.0, -81.0, -88.0, -95.0},
{25.0, 18.0, 11.0, 4.0, -3.0, -11.0, -18.0, -25.0, -32.0, -39.0, -46.0, -54.0, -61.0, -68.0, -75.0, -82.0, -89.0, -97.0},
{25.0, 17.0, 10.0, 3.0, -4.0, -11.0, -19.0, -26.0, -33.0, -40.0, -48.0, -55.0, -62.0, -69.0, -76.0, -84.0, -91.0, -98.0}
};
private final void _deleteFile(String filename) {
File file = new File(filename);
if (file.exists()) {
try {file.delete();} catch (SecurityException e) {}
}
}
private final long _createFloatDataset(long fid, long dsid, String name, long dapl) {
long did = -1;
try {
did = H5.H5Dcreate(fid, name, HDF5Constants.H5T_NATIVE_FLOAT, dsid,
HDF5Constants.H5P_DEFAULT, HDF5Constants.H5P_DEFAULT, dapl);
}
catch (Throwable err) {
err.printStackTrace();
fail("H5.H5Dcreate: " + err);
}
assertTrue("TestH5PData._createFloatDataset: ", did > 0);
return did;
}
@Before
public void createH5file()
throws NullPointerException, HDF5Exception {
assertTrue("H5 open ids is 0",H5.getOpenIDCount()==0);
System.out.print(testname.getMethodName());
try {
H5fid = H5.H5Fcreate(H5_FILE, HDF5Constants.H5F_ACC_TRUNC,
HDF5Constants.H5P_DEFAULT, HDF5Constants.H5P_DEFAULT);
H5dsid = H5.H5Screate_simple(2, H5dims, null);
H5did = _createFloatDataset(H5fid, H5dsid, "dset", HDF5Constants.H5P_DEFAULT);
plist_id = H5.H5Pcreate(HDF5Constants.H5P_DATASET_XFER);
}
catch (Throwable err) {
err.printStackTrace();
fail("TestH5PData.createH5file: " + err);
}
assertTrue("TestH5PData.createH5file: H5.H5Fcreate: ",H5fid > 0);
assertTrue("TestH5PData.createH5file: H5.H5Screate_simple: ",H5dsid > 0);
assertTrue("TestH5PData.createH5file: _createFloatDataset: ",H5did > 0);
assertTrue(plist_id > 0);
H5.H5Fflush(H5fid, HDF5Constants.H5F_SCOPE_LOCAL);
}
@After
public void deleteH5file() throws HDF5LibraryException {
if (H5dsid > 0)
try {H5.H5Sclose(H5dsid);} catch (Exception ex) {}
if (H5did > 0)
try {H5.H5Dclose(H5did);} catch (Exception ex) {}
if (H5fid > 0)
try {H5.H5Fclose(H5fid);} catch (Exception ex) {}
_deleteFile(H5_FILE);
if (plist_id > 0)
try {H5.H5Pclose(plist_id);} catch (Exception ex) {}
System.out.println();
}
@Test
public void testH5Pdata_transform() {
String f_to_c = "(5/9.0)*(x-32)";
double windchillFread[][] = new double[DIM_X][DIM_Y];
double windchillC;
NumberFormat formatter = new DecimalFormat("#0.000");
try {
H5.H5Pset_data_transform(plist_id, f_to_c);
H5.H5Dwrite(H5did, HDF5Constants.H5T_NATIVE_DOUBLE, HDF5Constants.H5S_ALL, HDF5Constants.H5S_ALL,
plist_id, windchillF);
H5.H5Dread(H5did, HDF5Constants.H5T_NATIVE_DOUBLE, HDF5Constants.H5S_ALL, HDF5Constants.H5S_ALL,
HDF5Constants.H5P_DEFAULT, windchillFread);
}
catch (Throwable err) {
err.printStackTrace();
fail("H5Pdata_transform: " + err);
}
for(int row = 0; row < DIM_X; row++)
for(int col = 0; col < DIM_Y; col++) {
windchillC = (5/9.0)*(windchillF[row][col]-32);
String Cstr = formatter.format(windchillC);
String Fread = formatter.format(windchillFread[row][col]);
assertTrue("H5Pdata_transform: <"+row+","+col+">"+Fread+"="+Cstr, Fread.compareTo(Cstr)==0);
}
}
@Test
public void testH5P_buffer() {
long default_size = 0;
long size = 0;
try {
default_size = H5.H5Pget_buffer_size(plist_id);
H5.H5Pset_buffer_size(plist_id, DIM_X*DIM_Y);
size = H5.H5Pget_buffer_size(plist_id);
}
catch (Throwable err) {
err.printStackTrace();
fail("H5P_buffer fail: " + err);
}
assertTrue("H5P_buffer default: "+default_size, default_size==1024*1024);
assertTrue("H5P_buffer size: "+size, size==DIM_X*DIM_Y);
}
}
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