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package test.hdf5lib;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import java.io.File;
import ncsa.hdf.hdf5lib.H5;
import ncsa.hdf.hdf5lib.HDF5Constants;
import ncsa.hdf.hdf5lib.exceptions.HDF5LibraryException;
import ncsa.hdf.hdf5lib.structs.H5G_info_t;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
public class TestH5G {
private static final String H5_FILE = "test.h5";
private static final String H5_FILE2 = "test2.h5";
private static final String[] GROUPS = { "/G1", "/G1/G11", "/G1/G12",
"/G1/G11/G111", "/G1/G11/G112", "/G1/G11/G113", "/G1/G11/G114" };
private static final String[] GROUPS2 = { "/G1", "/G1/G14", "/G1/G12", "/G1/G13", "/G1/G11"};
int H5fid = -1;
int H5fid2 = -1;
private final int _createGroup(int fid, String name) {
int gid = -1;
try {
gid = H5.H5Gcreate(fid, name, HDF5Constants.H5P_DEFAULT,
HDF5Constants.H5P_DEFAULT, HDF5Constants.H5P_DEFAULT);
}
catch (Throwable err) {
err.printStackTrace();
fail("H5.H5Gcreate: " + err);
}
return gid;
}
private final int _createGroup2(int fid, String name) {
int gid = -1;
int gcpl = -1;
try{
gcpl = H5.H5Pcreate(HDF5Constants.H5P_GROUP_CREATE); //create gcpl
if (gcpl >= 0) {
H5.H5Pset_link_creation_order(gcpl,
HDF5Constants.H5P_CRT_ORDER_TRACKED
+ HDF5Constants.H5P_CRT_ORDER_INDEXED);//Set link creation order
}
}
catch (final Exception ex) {
fail("H5.H5Pcreate() failed. " + ex);
}
try {
gid = H5.H5Gcreate(fid, name, HDF5Constants.H5P_DEFAULT,
gcpl, HDF5Constants.H5P_DEFAULT);
}
catch (Throwable err) {
err.printStackTrace();
fail("H5.H5Gcreate: " + err);
}
try {H5.H5Pclose(gcpl);} catch (final Exception ex) {}
return gid;
}
private final int _openGroup(int fid, String name) {
int gid = -1;
try {
gid = H5.H5Gopen(fid, name, HDF5Constants.H5P_DEFAULT);
}
catch (Throwable err) {
gid = -1;
err.printStackTrace();
fail("H5.H5Gopen: " + err);
}
return gid;
}
private final void _deleteFile(String filename) {
File file = new File(filename);
if (file.exists()) {
try {file.delete();} catch (SecurityException e) {}
}
}
@Before
public void createH5file()
throws HDF5LibraryException, NullPointerException {
assertTrue("H5 open ids is 0",H5.getOpenIDCount()==0);
H5fid = H5.H5Fcreate(H5_FILE, HDF5Constants.H5F_ACC_TRUNC,
HDF5Constants.H5P_DEFAULT, HDF5Constants.H5P_DEFAULT);
H5fid2 = H5.H5Fcreate(H5_FILE2, HDF5Constants.H5F_ACC_TRUNC,
HDF5Constants.H5P_DEFAULT, HDF5Constants.H5P_DEFAULT);
int gid = -1;
for (int i = 0; i < GROUPS.length; i++) {
gid = _createGroup(H5fid, GROUPS[i]);
assertTrue(gid > 0);
try {H5.H5Gclose(gid);} catch (Exception ex) {}
}
for (int i = 0; i < GROUPS2.length; i++) {
gid = _createGroup2(H5fid2, GROUPS2[i]);
assertTrue(gid > 0);
try {H5.H5Gclose(gid);} catch (Exception ex) {}
}
H5.H5Fflush(H5fid, HDF5Constants.H5F_SCOPE_LOCAL);
H5.H5Fflush(H5fid2, HDF5Constants.H5F_SCOPE_LOCAL);
}
@After
public void deleteH5file() throws HDF5LibraryException {
if (H5fid > 0) {
try {H5.H5Fclose(H5fid);} catch (Exception ex) {}
}
if (H5fid2 > 0) {
try {H5.H5Fclose(H5fid2);} catch (Exception ex) {}
}
_deleteFile(H5_FILE);
_deleteFile(H5_FILE2);
}
@Test
public void testH5Gopen() {
for (int i = 0; i < GROUPS.length; i++) {
int gid = _openGroup(H5fid, GROUPS[i]);
assertTrue(gid > 0);
try {
H5.H5Gclose(gid);
}
catch (Exception ex) {
}
}
}
@Test
public void testH5Gget_create_plist() {
int gid = -1;
int pid = -1;
for (int i = 0; i < GROUPS.length; i++) {
gid = _openGroup(H5fid, GROUPS[i]);
assertTrue(gid > 0);
try {
pid = H5.H5Gget_create_plist(gid);
}
catch (Throwable err) {
err.printStackTrace();
fail("H5.H5Gget_create_plist: " + err);
}
assertTrue(pid > 0);
try {
H5.H5Gclose(gid);
}
catch (Exception ex) {
}
}
}
@Test
public void testH5Gget_info() {
H5G_info_t info = null;
for (int i = 0; i < GROUPS.length; i++) {
try {
info = H5.H5Gget_info(H5fid);
}
catch (Throwable err) {
err.printStackTrace();
fail("H5.H5Gget_info: " + err);
}
assertNotNull(info);
}
}
@Test
public void testH5Gget_info_by_name() {
H5G_info_t info = null;
for (int i = 0; i < GROUPS.length; i++) {
try {
info = H5.H5Gget_info_by_name(H5fid, GROUPS[i],
HDF5Constants.H5P_DEFAULT);
}
catch (Throwable err) {
err.printStackTrace();
fail("H5.H5Gget_info_by_name: " + err);
}
assertNotNull(info);
}
}
@Test
public void testH5Gget_info_by_idx() {
H5G_info_t info = null;
for (int i = 0; i < 2; i++) {
try {
info = H5.H5Gget_info_by_idx(H5fid, "/G1",
HDF5Constants.H5_INDEX_NAME, HDF5Constants.H5_ITER_INC,
i, HDF5Constants.H5P_DEFAULT);
}
catch (Throwable err) {
err.printStackTrace();
fail("H5.H5Gget_info_by_idx: " + err);
}
assertNotNull(info);
}
}
@Test
public void testH5Gget_obj_info_all() {
H5G_info_t info = null;
int gid = _openGroup(H5fid, GROUPS[0]);
try {
info = H5.H5Gget_info(gid);
}
catch (Throwable err) {
err.printStackTrace();
fail("H5.H5Gget_info: " + err);
}
try {
H5.H5Gclose(gid);
}
catch (Exception ex) {
}
assertNotNull(info);
assertTrue("number of links is empty", info.nlinks > 0);
String objNames[] = new String[(int) info.nlinks];
int objTypes[] = new int[(int) info.nlinks];
int lnkTypes[] = new int[(int) info.nlinks];
long objRefs[] = new long[(int) info.nlinks];
int names_found = 0;
try {
names_found = H5.H5Gget_obj_info_all(H5fid, GROUPS[0], objNames,
objTypes, lnkTypes, objRefs, HDF5Constants.H5_INDEX_NAME);
}
catch (Throwable err) {
err.printStackTrace();
fail("H5.H5Gget_obj_info_all: " + err);
}
assertTrue("number found[" + names_found + "] different than expected["
+ objNames.length + "]", names_found == objNames.length);
for (int i = 0; i < objNames.length; i++) {
assertNotNull("name #" + i + " does not exist", objNames[i]);
assertTrue(objNames[i].length() > 0);
}
}
@Test
public void testH5Gget_obj_info_all_gid() {
H5G_info_t info = null;
int gid = _openGroup(H5fid, GROUPS[0]);
try {
info = H5.H5Gget_info(gid);
}
catch (Throwable err) {
err.printStackTrace();
fail("H5.H5Gget_info: " + err);
}
assertNotNull(info);
assertTrue("number of links is empty", info.nlinks > 0);
String objNames[] = new String[(int) info.nlinks];
long objRefs[] = new long[(int) info.nlinks];
int lnkTypes[] = new int[(int) info.nlinks];
int objTypes[] = new int[(int) info.nlinks];
int names_found = 0;
try {
names_found = H5.H5Gget_obj_info_all(gid, null, objNames, objTypes, lnkTypes,
objRefs, HDF5Constants.H5_INDEX_NAME);
}
catch (Throwable err) {
try {
H5.H5Gclose(gid);
}
catch (Exception ex) {
}
err.printStackTrace();
fail("H5.H5Gget_obj_info_all: " + err);
}
try {
H5.H5Gclose(gid);
}
catch (Exception ex) {
}
assertTrue("number found[" + names_found + "] different than expected["
+ objNames.length + "]", names_found == objNames.length);
for (int i = 0; i < objNames.length; i++) {
assertNotNull("name #" + i + " does not exist", objNames[i]);
assertTrue(objNames[i].length() > 0);
}
}
@Test
public void testH5Gget_obj_info_all_gid2() {
H5G_info_t info = null;
int gid = _openGroup(H5fid, GROUPS[1]);
try {
info = H5.H5Gget_info(gid);
}
catch (Throwable err) {
err.printStackTrace();
fail("H5.H5Gget_info: " + err);
}
assertNotNull(info);
assertTrue("number of links is empty", info.nlinks > 0);
String objNames[] = new String[(int) info.nlinks];
long objRefs[] = new long[(int) info.nlinks];
int lnkTypes[] = new int[(int) info.nlinks];
int objTypes[] = new int[(int) info.nlinks];
int names_found = 0;
try {
names_found = H5.H5Gget_obj_info_all(gid, null, objNames, objTypes, lnkTypes,
objRefs, HDF5Constants.H5_INDEX_NAME);
}
catch (Throwable err) {
try {
H5.H5Gclose(gid);
}
catch (Exception ex) {
}
err.printStackTrace();
fail("H5.H5Gget_obj_info_all: " + err);
}
try {
H5.H5Gclose(gid);
}
catch (Exception ex) {
}
assertTrue("number found[" + names_found + "] different than expected["
+ objNames.length + "]", names_found == objNames.length);
for (int i = 0; i < objNames.length; i++) {
assertNotNull("name #" + i + " does not exist", objNames[i]);
assertTrue(objNames[i].length() > 0);
}
}
@Test
public void testH5Gget_obj_info_max() {
int gid = _openGroup(H5fid, GROUPS[0]);
int groups_max_size = GROUPS.length + 1;
String objNames[] = new String[groups_max_size];
int objTypes[] = new int[groups_max_size];
int lnkTypes[] = new int[groups_max_size];
long objRefs[] = new long[groups_max_size];
int names_found = 0;
try {
names_found = H5.H5Gget_obj_info_max(gid, objNames, objTypes, lnkTypes,
objRefs, groups_max_size);
}
catch (Throwable err) {
try {
H5.H5Gclose(gid);
}
catch (Exception ex) {
}
err.printStackTrace();
fail("H5.H5Gget_obj_info_max: " + err);
}
try {
H5.H5Gclose(gid);
}
catch (Exception ex) {
}
// expected number does not include root group
assertTrue("number found[" + names_found + "] different than expected["
+ (GROUPS.length - 1) + "]", names_found == (GROUPS.length - 1));
for (int i = 0; i < GROUPS.length-1; i++) {
assertNotNull("name #"+i+" does not exist",objNames[i]);
assertTrue(objNames[i].length()>0);
}
}
@Test
public void testH5Gget_obj_info_max_limit() {
int gid = _openGroup(H5fid, GROUPS[0]);
int groups_max_size = GROUPS.length - 3;
String objNames[] = new String[groups_max_size];
int objTypes[] = new int[groups_max_size];
int lnkTypes[] = new int[groups_max_size];
long objRefs[] = new long[groups_max_size];
int names_found = 0;
try {
names_found = H5.H5Gget_obj_info_max(gid, objNames, objTypes, lnkTypes,
objRefs, groups_max_size);
}
catch (Throwable err) {
try {
H5.H5Gclose(gid);
}
catch (Exception ex) {
}
err.printStackTrace();
fail("H5.H5Gget_obj_info_max: " + err);
}
try {
H5.H5Gclose(gid);
}
catch (Exception ex) {
}
assertTrue("number found[" + names_found + "] different than expected["
+ groups_max_size + "]", names_found == groups_max_size);
for (int i = 0; i < objNames.length; i++) {
assertNotNull("name #" + i + " does not exist", objNames[i]);
assertTrue(objNames[i].length() > 0);
}
}
@Test
public void testH5Gget_obj_info_all_byIndexType() {
H5G_info_t info = null;
int gid = _openGroup(H5fid2, GROUPS2[0]);
try {
info = H5.H5Gget_info(gid);
}
catch (Throwable err) {
err.printStackTrace();
fail("H5.H5Gget_info: " + err);
}
try {
H5.H5Gclose(gid);
}
catch (Exception ex) {
}
assertNotNull(info);
assertTrue("number of links is empty", info.nlinks > 0);
String objNames[] = new String[(int) info.nlinks];
int objTypes[] = new int[(int) info.nlinks];
int lnkTypes[] = new int[(int) info.nlinks];
long objRefs[] = new long[(int) info.nlinks];
try {
H5.H5Gget_obj_info_all(H5fid2, GROUPS2[0], objNames,
objTypes, lnkTypes, objRefs, HDF5Constants.H5_INDEX_CRT_ORDER);
}
catch (Throwable err) {
err.printStackTrace();
fail("H5.H5Gget_obj_info_all: " + err);
}
assertEquals("G12",objNames[1]);
assertEquals("G13", objNames[2] );
assertEquals("G11", objNames[3] );
try {
H5.H5Gget_obj_info_all(H5fid2, GROUPS2[0], objNames,
objTypes, lnkTypes, objRefs, HDF5Constants.H5_INDEX_NAME);
}
catch (Throwable err) {
err.printStackTrace();
fail("H5.H5Gget_obj_info_all: " + err);
}
assertEquals("G12",objNames[1]);
assertEquals("G13", objNames[2] );
assertEquals("G14", objNames[3] );
}
}
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