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/**
*
*/
package test.object;
import java.util.Iterator;
import java.util.List;
import junit.framework.TestCase;
import ncsa.hdf.hdf5lib.H5;
import ncsa.hdf.hdf5lib.HDF5Constants;
import ncsa.hdf.object.FileFormat;
import ncsa.hdf.object.Group;
import ncsa.hdf.object.HObject;
import ncsa.hdf.object.h5.H5File;
import ncsa.hdf.object.h5.H5Group;
/**
* @author Rishi R Sinha
*
*/
public class GroupTest extends TestCase {
private H5File testFile = null;
private Group testGroup = null;
/**
* @param arg0
*/
public GroupTest(String arg0) {
super(arg0);
}
/*
* (non-Javadoc)
*
* @see junit.framework.TestCase#setUp()
*/
@Override
protected void setUp() throws Exception {
super.setUp();
H5File H5FILE = new H5File();
testFile = (H5File) H5FILE.open(H5TestFile.NAME_FILE_H5,
FileFormat.WRITE);
assertNotNull(testFile);
testGroup = (Group) testFile.get(H5TestFile.NAME_GROUP);
assertNotNull(testGroup);
}
/*
* (non-Javadoc)
*
* @see junit.framework.TestCase#tearDown()
*/
@Override
protected void tearDown() throws Exception {
super.tearDown();
if (testFile != null) {
try {
testFile.close();
}
catch (final Exception ex) {
}
testFile = null;
}
}
/**
* Test method for {@link ncsa.hdf.object.Group#clear()}.
* <p>
* What to test:
* <ul>
* <li>For the root group clear the list.
* </ul>
* </ul>
*/
public void testClear() {
testGroup.clear();
assertEquals(testGroup.getMemberList().size(), 0);
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
}
/**
* Test method for
* {@link ncsa.hdf.object.Group#addToMemberList(ncsa.hdf.object.HObject)}.
* <p>
* What to test:
* <ul>
* <li>Test for boundary conditions
* <ul>
* <li>Add null to the member list.
* </ul>
* <li>Test for failure
* <ul>
* <li>Add an already existing object to the list.
* </ul>
* <li>Test for general functionality
* <ul>
* <li>add a group to it.
* </ul>
* </ul>
*/
public void testAddToMemberList() {
int previous_size = testGroup.getMemberList().size();
testGroup.addToMemberList(null);
assertEquals(testGroup.getMemberList().size(), previous_size);
Group tmp = new H5Group(testFile, "tmp", "/grp0/", testGroup);
testGroup.addToMemberList((HObject) testGroup.getMemberList().get(0));
if (testGroup.getMemberList().size() != previous_size) {
fail("addToMemberList adds an existing member to the member list.");
}
testGroup.addToMemberList(tmp);
if (!testGroup.getMemberList().get(previous_size).equals(tmp)) {
fail("Add to member list does not add to the end.");
}
if (testGroup.getMemberList().size() != previous_size + 1) {
fail("Add to member list not working.");
}
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
}
/**
* Test method for
* {@link ncsa.hdf.object.Group#removeFromMemberList(ncsa.hdf.object.HObject)}
* .
* <p>
* What to test:
* <ul>
* <li>Test for boundary conditions
* <ul>
* <li>Remove a null from the member list.
* </ul>
* <li>Test for failure
* <ul>
* <li>Remove a non existing object to the list.
* </ul>
* <li>Test for general functionality
* <ul>
* <li>Remove a group from it.
* </ul>
* </ul>
*/
public void testRemoveFromMemberList() {
int previous_size = testGroup.getMemberList().size();
List memberList = testGroup.getMemberList();
testGroup.removeFromMemberList(null);
if (testGroup.getMemberList().size() != previous_size) {
fail("removeFromMemberList removes a null from the member list.");
}
Group tmp = new H5Group(testFile, "tmp", "/grp0/", testGroup);
testGroup.removeFromMemberList(tmp);
if (testGroup.getMemberList().size() != previous_size) {
fail("removeFromMemberList removes a non existing member from the member list.");
}
Iterator it = memberList.iterator();
HObject obj = (HObject) it.next();
testGroup.removeFromMemberList(obj);
if (memberList.size() != previous_size - 1) {
fail("The Number of members in list should be "
+ (previous_size - 1));
}
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
}
/**
* Test method for {@link ncsa.hdf.object.Group#getMemberList()}.
* <p>
* <ul>
* <li>testing the member list for the root group.
* <ul>
*/
public void testGetMemberList() {
String objs[] = { "a_link_to_the_image", "dataset_comp", "dataset_int",
"g00" };
List memberList = testGroup.getMemberList();
Iterator it = memberList.iterator();
int position = 0;
while (it.hasNext()) {
HObject obj = (HObject) it.next();
assertEquals(objs[position++], obj.getName());
}
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
}
/**
* Test method for {@link ncsa.hdf.object.Group#getParent()}.
* <p>
* <ul>
* <li>Test to get the parent of group g0.
* </ul>
*/
public void testGetParent() {
assertEquals(testGroup.getParent().getName(), "/");
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
}
/**
* Test method for {@link ncsa.hdf.object.Group#isRoot()}.
*
* <ul>
* <li>Test for not root.
* </ul>
*/
public void testIsRoot() {
assertFalse(testGroup.isRoot());
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
}
/**
* Test method for {@link ncsa.hdf.object.Group#getNumberOfMembersInFile()}.
*
* <ul>
* <li>Test for the number of members in the file.
* <ul>
*/
public void testGetNumberOfMembersInFile() {
assertEquals(testGroup.getNumberOfMembersInFile(), 8);
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
}
}