/*
* Copyright 1998-2009 University Corporation for Atmospheric Research/Unidata
*
* Portions of this software were developed by the Unidata Program at the
* University Corporation for Atmospheric Research.
*
* Access and use of this software shall impose the following obligations
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* any fee or cost, to use, copy, modify, alter, enhance and distribute
* this software, and any derivative works thereof, and its supporting
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* notice appears in all copies of the software, derivative works and
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* and/or Unidata, however, may not be used in any advertising or publicity
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*
* THIS SOFTWARE IS PROVIDED BY UCAR/UNIDATA "AS IS" AND ANY EXPRESS OR
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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*/
package ucar.nc2.iosp.hdf5;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import ucar.ma2.*;
import ucar.nc2.NetcdfFile;
import ucar.nc2.Attribute;
import ucar.nc2.Variable;
import ucar.nc2.dataset.NetcdfDataset;
import ucar.unidata.util.test.category.NeedsCdmUnitTest;
import java.io.*;
/**
* Test nc2 read JUnit framework.
*/
@Category(NeedsCdmUnitTest.class)
public class TestH5Vlength {
File tempFile;
PrintStream out;
@Before
public void setUp() throws Exception {
tempFile = File.createTempFile("TestLongOffset", "out");
out = new PrintStream(new FileOutputStream(tempFile));
}
@After
public void tearDown() throws Exception {
out.close();
boolean status = tempFile.delete();
if (!status) System.out.printf("delete failed%n");
}
@Test
public void testVlengthAttribute() throws IOException {
try (NetcdfFile ncfile = TestH5.openH5("support/vlstra.h5")) {
Attribute att = ncfile.findGlobalAttribute("test_scalar");
assert (null != att);
assert (!att.isArray());
assert (att.isString());
assert (att.getStringValue().equals("This is the string for the attribute"));
}
}
@Test
public void testVlengthVariableChunked() throws IOException {
try (NetcdfFile ncfile = TestH5.openH5("support/uvlstr.h5")) {
Variable v = ncfile.findVariable("Space1");
assert (null != v);
assert (v.getDataType() == DataType.STRING);
assert (v.getRank() == 1);
assert (v.getShape()[0] == 9);
try {
Array data = v.read();
assert (data.getElementType() == String.class);
assert (data instanceof ArrayObject);
IndexIterator iter = data.getIndexIterator();
while (iter.hasNext()) {
out.println(iter.next());
}
} catch (IOException e) {
e.printStackTrace();
assert false;
}
int[] origin = new int[]{3};
int[] shape = new int[]{3};
try {
Array data2 = v.read(origin, shape);
Index ima = data2.getIndex();
assert (data2.getElementType() == String.class);
assert (data2 instanceof ArrayObject);
assert ((String) data2.getObject(ima.set(0))).startsWith("testing whether that nation");
assert ((String) data2.getObject(ima.set(1))).startsWith("O Gloria inmarcesible!");
assert ((String) data2.getObject(ima.set(2))).startsWith("bien germina ya!");
} catch (IOException | InvalidRangeException e) {
assert false;
}
}
}
@Test
public void testVlengthVariable() throws IOException {
try (NetcdfFile ncfile = TestH5.openH5("support/vlslab.h5")) {
Variable v = ncfile.findVariable("Space1");
assert (null != v);
assert (v.getDataType() == DataType.STRING);
assert (v.getRank() == 1);
assert (v.getShape()[0] == 12);
try {
Array data = v.read();
assert (data.getElementType() == String.class);
assert (data instanceof ArrayObject);
IndexIterator iter = data.getIndexIterator();
while (iter.hasNext()) {
out.println(iter.next());
}
} catch (IOException e) {
assert false;
}
int[] origin = new int[]{4};
int[] shape = new int[]{1};
try {
Array data2 = v.read(origin, shape);
Index ima = data2.getIndex();
assert (data2.getElementType() == String.class);
assert (data2 instanceof ArrayObject);
assert ( data2.getObject(ima.set(0))).equals("Five score and seven years ago our forefathers brought forth on this continent a new nation,");
} catch (IOException | InvalidRangeException e) {
assert false;
}
}
}
// from bsantos@ipfn.ist.utl.pt
@Test
public void testVlenEndian() throws IOException {
testVlenEndian(TestN4reading.testDir+"vlenBigEndian.nc", 10);
//testVlenEndian("C:/data/work/bruno/test3_p1_d1wave.nc", 10);
testVlenEndian(TestN4reading.testDir+"vlenLittleEndian.nc", 100);
//testVlenEndian("C:/data/work/bruno/fpscminicodac_1.nc", 100);
}
private void testVlenEndian(String filename, int n) throws IOException {
try (NetcdfFile ncfile = NetcdfDataset.openFile(filename, null)) {
Variable v = ncfile.findVariable("levels");
assert (null != v);
assert (v.getDataType() == DataType.INT);
assert (v.getRank() == 2);
assert (v.getShape()[0] == n) : v.getShape()[0];
try {
Array data = v.read();
// assert(data.getElementType() instanceof ucar.ma2.ArrayInt.class) : data.getElementType();
assert (data instanceof ArrayObject);
IndexIterator iter = data.getIndexIterator();
while (iter.hasNext()) {
Array inner = (Array) iter.next();
assert (inner instanceof ArrayInt.D1);
int firstVal = inner.getInt(0);
System.out.printf("%d (%d) = %s%n", firstVal, inner.getSize(), inner);
assert (firstVal < Short.MAX_VALUE) : firstVal;
}
} catch (IOException e) {
assert false;
}
}
}
}