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package test.object;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import ncsa.hdf.hdf5lib.H5;
import ncsa.hdf.hdf5lib.HDF5Constants;
import ncsa.hdf.object.FileFormat;
import ncsa.hdf.object.ScalarDS;
import ncsa.hdf.object.h5.H5File;
import ncsa.hdf.object.h5.H5Group;
import org.junit.After;
import org.junit.AfterClass;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
/**
* @author rsinha
*
*/
public class ScalarDSTest {
private final static org.slf4j.Logger log = org.slf4j.LoggerFactory.getLogger(ScalarDSTest.class);
private static final H5File H5FILE = new H5File();
private H5File testFile = null;
private H5Group testGroup = null;
private ScalarDS intDset = null;
private ScalarDS floatDset = null;
private ScalarDS charDset = null;
private ScalarDS strDset = null;
private ScalarDS enumDset = null;
private ScalarDS imageDset = null;
private ScalarDS imagePalete = null;
private ScalarDS ORDset = null;
@BeforeClass
public static void createFile() throws Exception {
try {
int openID = H5.getOpenIDCount();
if (openID > 0)
System.out.println("ScalarDSTest BeforeClass: Number of IDs still open: " + openID);
}
catch (Exception ex) {
ex.printStackTrace();
}
try {
H5TestFile.createTestFile(null);
}
catch (final Exception ex) {
System.out.println("*** Unable to create HDF5 test file. " + ex);
System.exit(-1);
}
}
@AfterClass
public static void checkIDs() throws Exception {
try {
int openID = H5.getOpenIDCount();
if (openID > 0)
System.out.println("ScalarDSTest AfterClass: Number of IDs still open: " + openID);
}
catch (Exception ex) {
ex.printStackTrace();
}
}
@Before
public void openFiles() throws Exception {
try {
int openID = H5.getOpenIDCount();
if (openID > 0)
log.debug("Before: Number of IDs still open: " + openID);
}
catch (Exception ex) {
ex.printStackTrace();
}
testFile = (H5File) H5FILE.open(H5TestFile.NAME_FILE_H5, FileFormat.READ);
assertNotNull(testFile);
testGroup = (H5Group) testFile.get(H5TestFile.NAME_GROUP_ATTR);
assertNotNull(testGroup);
intDset = (ScalarDS) testFile.get(H5TestFile.NAME_DATASET_INT);
assertNotNull(intDset);
intDset.init();
floatDset = (ScalarDS) testFile.get(H5TestFile.NAME_DATASET_FLOAT);
assertNotNull(floatDset);
floatDset.init();
charDset = (ScalarDS) testFile.get(H5TestFile.NAME_DATASET_CHAR);
assertNotNull(charDset);
charDset.init();
strDset = (ScalarDS) testFile.get(H5TestFile.NAME_DATASET_STR);
assertNotNull(strDset);
strDset.init();
enumDset = (ScalarDS) testFile.get(H5TestFile.NAME_DATASET_ENUM);
assertNotNull(enumDset);
enumDset.init();
imageDset = (ScalarDS) testFile.get(H5TestFile.NAME_DATASET_IMAGE);
assertNotNull(imageDset);
imageDset.init();
ORDset = (ScalarDS) testFile.get(H5TestFile.NAME_DATASET_OBJ_REF);
assertNotNull(ORDset);
ORDset.init();
imagePalete = (ScalarDS) testFile.get(H5TestFile.NAME_DATASET_IMAGE_PALETTE);
assertNotNull(imagePalete);
imagePalete.init();
}
@After
public void removeFiles() throws Exception {
if (testFile != null) {
try {
testFile.close();
}
catch (final Exception ex) {
}
testFile = null;
}
try {
int openID = H5.getOpenIDCount();
if (openID > 0)
log.debug("After: Number of IDs still open: " + openID);
}
catch (Exception ex) {
ex.printStackTrace();
}
}
/**
*
* What to test:
* <ul>
* <li>Test for general functionality
* <ul>
* <li>Check for all datasets whether it is an image or not (only image should return true).
* <li>Check for all datasets whether imageDisplay is set (only image should return true).
* <li>Get Image Data Range from image dataset and check if it is valid.
* <li>Check the interlace value for the image dataset.
* <li>Check if the image is unsigned byte.
* <li>Check setting the image to unsigned byte.
* <li>Check true color for the image dataset.
* </ul>
* </ul>
*/
@Test
public void testImageFunctionality() {
log.debug("testImageFunctionality");
assertTrue(imageDset.hasAttribute());
assertTrue(imageDset.isImage());
assertTrue(imageDset.isImageDisplay());
assertEquals(imageDset.getInterlace(), -1);
assertFalse(imageDset.isTrueColor());
assertFalse(intDset.isImage());
assertFalse(floatDset.isImage());
assertFalse(charDset.isImage());
assertFalse(enumDset.isImage());
assertFalse(imagePalete.isImage());
assertFalse(ORDset.isImage());
assertFalse(intDset.isImageDisplay());
assertFalse(floatDset.isImageDisplay());
assertFalse(charDset.isImageDisplay());
assertFalse(enumDset.isImageDisplay());
assertFalse(imagePalete.isImageDisplay());
assertFalse(ORDset.isImageDisplay());
intDset.setIsImageDisplay(true);
assertTrue(intDset.isImageDisplay());
intDset.setIsImageDisplay(false);
assertFalse(intDset.isImageDisplay());
int nObjs = 0;
try {
nObjs = H5.H5Fget_obj_count(testFile.getFID(), HDF5Constants.H5F_OBJ_ALL);
}
catch (final Exception ex) {
fail("H5.H5Fget_obj_count() failed. " + ex);
}
assertEquals(1, nObjs); // file id should be the only one left open
}
/**
* What to test:
* <ul>
* <li>Test for general functionality
* <ul>
* <li>For all datasets in the file check if it is text. Only string dataset should return true.
* </ul>
* </ul>
*/
@Test
public void testIsText() {
log.debug("testIsText");
assertTrue(strDset.isText());
assertFalse(imageDset.isText());
assertFalse(intDset.isText());
assertFalse(floatDset.isText());
assertFalse(charDset.isText());
assertFalse(enumDset.isText());
assertFalse(ORDset.isText());
assertFalse(imagePalete.isText());
int nObjs = 0;
try {
nObjs = H5.H5Fget_obj_count(testFile.getFID(), HDF5Constants.H5F_OBJ_ALL);
}
catch (final Exception ex) {
fail("H5.H5Fget_obj_count() failed. " + ex);
}
assertEquals(1, nObjs); // file id should be the only one left open
}
}
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