/*
* Copyright (C) 2009 eXo Platform SAS.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.exoplatform.services.jcr.impl.storage.fs;
import org.exoplatform.services.jcr.JcrImplBaseTest;
import org.exoplatform.services.jcr.core.value.ReadableBinaryValue;
import org.exoplatform.services.jcr.impl.core.value.BinaryValue;
import java.io.BufferedInputStream;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.util.Calendar;
import java.util.Random;
import javax.jcr.Node;
import javax.jcr.Property;
import javax.jcr.Session;
/**
* Created by The eXo Platform SAS
*
* @author <a href="mailto:peter.nedonosko@exoplatform.com.ua">Peter Nedonosko</a>
* @version $Id: TestRandomValueIO.java 13062 2008-04-10 12:51:39Z pnedonosko $
*/
public class TestRandomValueIO extends JcrImplBaseTest
{
private Node testRoot;
private File testFile;
@Override
public void setUp() throws Exception
{
super.setUp();
testRoot = root.addNode("binValueTest");
session.save();
if (testFile == null)
{
testFile = createBLOBTempFile(this.getClass().getSimpleName() + "_", 2 * 1024); // 2M
testFile.deleteOnExit();
}
root.getNodes();
}
@Override
protected void tearDown() throws Exception
{
testRoot.remove();
session.save();
super.tearDown();
}
public void testUpdateNew() throws Exception
{
// create property
String pname = "file@" + testFile.getName();
Property p = testRoot.setProperty(pname, new FileInputStream(testFile));
BinaryValue exv = (BinaryValue)p.getValue();
String update1String = "update#1";
long pos = 1024 * 1024;
// update
exv.update(new ByteArrayInputStream(update1String.getBytes()), update1String.length(), pos);
// transient, before the save
try
{
// the value obtained by getXXX must be same as on setProperty()
compareStream(new FileInputStream(testFile), testRoot.getProperty(pname).getStream());
// apply edited ExtendetValue to the Property
p.setValue(exv);
compareStream(new ByteArrayInputStream(update1String.getBytes()), testRoot.getProperty(pname).getStream(), 0,
pos, update1String.length());
testRoot.save();
// persisted, after the save
compareStream(new ByteArrayInputStream(update1String.getBytes()), testRoot.getProperty(pname).getStream(), 0,
pos, update1String.length());
}
catch (CompareStreamException e)
{
e.printStackTrace();
fail(e.getMessage());
}
}
public void testUpdateExisted() throws Exception
{
// create property
String pname = "file@" + testFile.getName();
Property p = testRoot.setProperty(pname, new FileInputStream(testFile));
testRoot.save();
BinaryValue exv = (BinaryValue)p.getValue();
String update1String = "update#1";
long pos = 1024 * 1024;
// update
exv.update(new ByteArrayInputStream(update1String.getBytes()), update1String.length(), pos);
// transient, before the save
try
{
// the value obtained by getXXX must be same as on setProperty()
compareStream(new FileInputStream(testFile), testRoot.getProperty(pname).getStream());
// apply edited ExtendetValue to the Property
p.setValue(exv);
compareStream(new ByteArrayInputStream(update1String.getBytes()), testRoot.getProperty(pname).getStream(), 0,
pos, update1String.length());
testRoot.save();
// persisted, after the save
compareStream(new ByteArrayInputStream(update1String.getBytes()), testRoot.getProperty(pname).getStream(), 0,
pos, update1String.length());
}
catch (CompareStreamException e)
{
e.printStackTrace();
fail(e.getMessage());
}
}
public void testNodeSetPropertyExisted() throws Exception
{
// create property
String pname = "file@" + testFile.getName();
testRoot.setProperty(pname, new FileInputStream(testFile));
testRoot.save();
// get the property value
BinaryValue exv = (BinaryValue)testRoot.getProperty(pname).getValue();
String update1String = "update#1";
long pos = 1024 * 1024;
// update length bytes from the stream stating from the position in existed Value data
exv.update(new ByteArrayInputStream(update1String.getBytes()), update1String.length(), pos);
// transient, before the save
try
{
// the value obtained by getXXX must be same as on setProperty()
compareStream(new FileInputStream(testFile), testRoot.getProperty(pname).getStream());
// apply edited ExtendetValue to the Property
testRoot.setProperty(pname, exv);
compareStream(new ByteArrayInputStream(update1String.getBytes()), testRoot.getProperty(pname).getStream(), 0,
pos, update1String.length());
// save
testRoot.save();
// persisted, after the save
compareStream(new ByteArrayInputStream(update1String.getBytes()), testRoot.getProperty(pname).getStream(), 0,
pos, update1String.length());
}
catch (CompareStreamException e)
{
e.printStackTrace();
fail(e.getMessage());
}
}
public void testUpdate_SameObject() throws Exception
{
// create property
String pname = "file@" + testFile.getName();
Property p = testRoot.setProperty(pname, new FileInputStream(testFile));
BinaryValue exv = (BinaryValue)p.getValue();
String update1String = "update#1";
long pos1 = 1024 * 1024;
// update 1
exv.update(new ByteArrayInputStream(update1String.getBytes()), update1String.length(), pos1);
// apply to the Property and save
p.setValue(exv);
testRoot.save();
String update2String = "UPDATE#2";
long pos2 = (1024 * 1024) + 5;
// update 2
exv.update(new ByteArrayInputStream(update2String.getBytes()), update2String.length(), pos2);
// apply to the Property
p.setValue(exv);
// check the content from the first updated char to the last char of second
// update
String updateString = update1String.substring(0, 5) + update2String;
// transient, before the save
try
{
compareStream(new ByteArrayInputStream(updateString.getBytes()), testRoot.getProperty(pname).getStream(), 0,
pos1, updateString.length());
testRoot.save();
// persisted, after the save
compareStream(new ByteArrayInputStream(updateString.getBytes()), testRoot.getProperty(pname).getStream(), 0,
pos1, updateString.length());
}
catch (CompareStreamException e)
{
fail(e.getMessage());
}
}
public void _testUpdate_SameObjectAcrossSessions() throws Exception
{
// create property
String pname = "file@" + testFile.getName();
Property p = testRoot.setProperty(pname, new FileInputStream(testFile));
BinaryValue exv = (BinaryValue)p.getValue();
String update1String = "update#1";
long pos1 = 1024 * 1024;
// update 1
exv.update(new ByteArrayInputStream(update1String.getBytes()), update1String.length(), pos1);
// apply to the Property in another session and save
Session s1 = repository.login(credentials);
try
{
Node troot = s1.getRootNode().getNode(testRoot.getName());
byte[] s1Content = "__string_stream__".getBytes();
p = troot.setProperty(pname, new ByteArrayInputStream(s1Content));
BufferedInputStream exvStream = new BufferedInputStream(exv.getStream());
// fill the buffer from exv
exvStream.mark((int)exv.getLength() + 1);
while ((exvStream.read(new byte[2048])) >= 0)
{
}
exvStream.reset();
p.setValue(exv);
troot.save();
// check if we has the exv value
compareStream(exvStream, troot.getProperty(pname).getStream(), 0, pos1, update1String.length());
String update2String = "UPDATE#2";
long pos2 = (1024 * 1024) + 5;
// update 2
exv.update(new ByteArrayInputStream(update2String.getBytes()), update2String.length(), pos2);
// apply to the Property
p.setValue(exv);
// check the content from the first updated char to the last char of
// second update
String updateString = update1String.substring(0, 5) + update2String;
// transient, before the save
compareStream(new ByteArrayInputStream(updateString.getBytes()), troot.getProperty(pname).getStream(), 0,
pos1, updateString.length());
troot.save();
// persisted, after the save
compareStream(new ByteArrayInputStream(updateString.getBytes()), troot.getProperty(pname).getStream(), 0,
pos1, updateString.length());
// from first session
compareStream(new ByteArrayInputStream(updateString.getBytes()), testRoot.getProperty(pname).getStream(), 0,
pos1, updateString.length());
}
catch (CompareStreamException e)
{
e.printStackTrace();
fail(e.getMessage());
}
finally
{
s1.logout();
}
}
public void testRollback() throws Exception
{
// create property
String pname = "file@" + testFile.getName();
Property p = testRoot.setProperty(pname, new FileInputStream(testFile));
BinaryValue exv = (BinaryValue)p.getValue();
String update1String = "update#1";
long pos = 1024 * 1024;
// update
exv.update(new ByteArrayInputStream(update1String.getBytes()), update1String.length(), pos);
// apply to the Property and save
p.setValue(exv);
testRoot.save();
// test if the rollbacked value isn't saved
String update2String = "UPDATE#2";
long pos2 = (1024 * 1024) + 5;
// update 2
exv.update(new ByteArrayInputStream(update2String.getBytes()), update2String.length(), pos2);
// apply to the Property
p.setValue(exv);
testRoot.refresh(false); // rollback
// check the content
// transient, before the save
try
{
compareStream(new ByteArrayInputStream(update1String.getBytes()), testRoot.getProperty(pname).getStream(), 0,
pos, update1String.length());
testRoot.save();
// persisted, after the save
compareStream(new ByteArrayInputStream(update1String.getBytes()), testRoot.getProperty(pname).getStream(), 0,
pos, update1String.length());
}
catch (CompareStreamException e)
{
fail(e.getMessage());
}
}
public void testUpdate_BigToBigValue() throws Exception
{
// create property
String pname = "file@" + testFile.getName();
Property p = testRoot.setProperty(pname, new FileInputStream(testFile));
BinaryValue exv = (BinaryValue)p.getValue();
String update1String = "update#1";
long pos = 3 * 1024 * 1024;
// update
try
{
// exv.setLength(pos + 1);
// assertEquals("Value data length must be increased ", pos + 1, exv.getLength());
exv.update(new ByteArrayInputStream(update1String.getBytes()), update1String.length(), pos);
// apply to the Property and save
p.setValue(exv);
testRoot.save();
// test after save
// first 2M of stream data must be same as on setProperty()
compareStream(new FileInputStream(testFile), testRoot.getProperty(pname).getStream(), 0, 0, testFile.length());
compareStream(new ByteArrayInputStream(update1String.getBytes()), testRoot.getProperty(pname).getStream(), 0,
pos, update1String.length());
}
catch (CompareStreamException e)
{
fail(e.getMessage());
}
}
/**
* Case of out=of-memory during port bytes to file
* */
public void testUpdate_SmallToBigValue() throws Exception
{
// create property
String pname = "file@" + testFile.getName();
String content = "short message";
Property p = testRoot.setProperty(pname, new ByteArrayInputStream(content.getBytes()));
BinaryValue exv = (BinaryValue)p.getValue();
long pos = exv.getLength() + 1024 * 1024 * 5;
long fmem = Runtime.getRuntime().freeMemory();
exv.update(new FileInputStream(testFile), testFile.length(), pos);
long fmemAfter = Runtime.getRuntime().freeMemory();
if ((fmemAfter - fmem) >= (pos + testFile.length()))
log.warn("Free memory must not be increased on value of the new Value size but does. Was " + fmem
+ " current " + fmemAfter);
assertEquals("Value data length must be increased ", pos + testFile.length(), exv.getLength());
// apply to the Property and save
p.setValue(exv);
testRoot.save();
BinaryValue newexv = (BinaryValue)testRoot.getProperty(pname).getValue();
assertEquals("Value data length must be increased ", pos + testFile.length(), newexv.getLength());
// update inside the big data
int npos = 5;
newexv.update(new FileInputStream(testFile), testFile.length(), npos);
// apply to the Property and save
p.setValue(newexv);
testRoot.save();
byte[] buff = new byte[npos];
testRoot.getProperty(pname).getStream().read(buff);
assertEquals("Value content is wrong ", content.substring(0, npos), new String(buff));
compareStream(new FileInputStream(testFile), testRoot.getProperty(pname).getStream(), 0, npos, testFile.length());
}
public void testAddLength_BigValue() throws Exception
{
// create property
String pname = "file@" + testFile.getName();
Property p = testRoot.setProperty(pname, new FileInputStream(testFile));
BinaryValue exv = (BinaryValue)p.getValue();
long pos = 3 * 1024 * 1024;
exv.setLength(pos);
assertEquals("Value data length must be increased ", pos, exv.getLength());
// apply to the Property and save
p.setValue(exv);
testRoot.save();
BinaryValue newexv = (BinaryValue)testRoot.getProperty(pname).getValue();
assertEquals("Value data length must be increased ", pos, newexv.getLength());
}
public void testTruncateLength_BigValue() throws Exception
{
// create property
String pname = "file@" + testFile.getName();
Property p = testRoot.setProperty(pname, new FileInputStream(testFile));
BinaryValue exv = (BinaryValue)p.getValue();
long pos = 1024 * 1024;
exv.setLength(pos);
assertEquals("Value data length must be decreased ", pos, exv.getLength());
// apply to the Property and save
p.setValue(exv);
testRoot.save();
BinaryValue newexv = (BinaryValue)testRoot.getProperty(pname).getValue();
assertEquals("Value data length must be decreased ", pos, newexv.getLength());
}
public void testAddLength_SmallValue() throws Exception
{
// create property
String pname = "file@" + testFile.getName();
Property p = testRoot.setProperty(pname, new ByteArrayInputStream("short message".getBytes()));
BinaryValue exv = (BinaryValue)p.getValue();
long pos = exv.getLength() + 20;
exv.setLength(pos);
assertEquals("Value data length must be increased ", pos, exv.getLength());
// apply to the Property and save
p.setValue(exv);
testRoot.save();
BinaryValue newexv = (BinaryValue)testRoot.getProperty(pname).getValue();
assertEquals("Value data length must be increased ", pos, newexv.getLength());
}
public void testAddLength_SmallToBigValue() throws Exception
{
// create property
String pname = "file@" + testFile.getName();
Property p = testRoot.setProperty(pname, new ByteArrayInputStream("short message".getBytes()));
BinaryValue exv = (BinaryValue)p.getValue();
long pos = exv.getLength() + 1024 * 1024 * 5;
long fmem = Runtime.getRuntime().freeMemory();
exv.setLength(pos);
long fmemAfter = Runtime.getRuntime().freeMemory();
if ((fmemAfter - fmem) >= pos)
log.warn("Free memory must not be increased on value of the new Value size but does. Was " + fmem
+ " current " + fmemAfter);
assertEquals("Value data length must be increased ", pos, exv.getLength());
// apply to the Property and save
p.setValue(exv);
testRoot.save();
BinaryValue newexv = (BinaryValue)testRoot.getProperty(pname).getValue();
assertEquals("Value data length must be increased ", pos, newexv.getLength());
}
public void testAddLength_SmallToBigValue_Persistent() throws Exception
{
// create property
String pname = "file@" + testFile.getName();
testRoot.setProperty(pname, new ByteArrayInputStream(new byte[]{}));
testRoot.save();
// change after save
BinaryValue newexv = (BinaryValue)testRoot.getProperty(pname).getValue();
long pos = newexv.getLength() + 1024 * 1024 * 5;
long tmem = Runtime.getRuntime().totalMemory();
newexv.setLength(pos);
// apply to the Property and save
testRoot.getProperty(pname).setValue(newexv);
long tmemAfter = Runtime.getRuntime().totalMemory();
if ((tmemAfter - tmem) >= pos)
log.warn("JVM total memory should not be increased on size of the new Value but does. Was " + tmem
+ " current " + tmemAfter);
assertEquals("Value data length must be increased ", pos, newexv.getLength());
newexv = (BinaryValue)testRoot.getProperty(pname).getValue();
assertEquals("Value data length must be increased ", pos, newexv.getLength());
// save new size
testRoot.save();
newexv = (BinaryValue)testRoot.getProperty(pname).getValue();
assertEquals("Value data length must be increased ", pos, newexv.getLength());
}
public void testTruncateLength_BigToSmallValue() throws Exception
{
// create property
String pname = "file@" + testFile.getName();
Property p = testRoot.setProperty(pname, new FileInputStream(testFile));
BinaryValue exv = (BinaryValue)p.getValue();
long pos = exv.getLength() - (testFile.length() - 20);
exv.setLength(pos);
assertEquals("Value data length must be decreased ", pos, exv.getLength());
// apply to the Property and save
p.setValue(exv);
testRoot.save();
BinaryValue newexv = (BinaryValue)testRoot.getProperty(pname).getValue();
assertEquals("Value data length must be decreased ", pos, newexv.getLength());
}
public void testTruncateLength_SmallValue() throws Exception
{
// create property
String pname = "file@" + testFile.getName();
Property p = testRoot.setProperty(pname, new ByteArrayInputStream("short message".getBytes()));
BinaryValue exv = (BinaryValue)p.getValue();
long pos = exv.getLength() - 5;
exv.setLength(pos);
assertEquals("Value data length must be decreased ", pos, exv.getLength());
// apply to the Property and save
p.setValue(exv);
testRoot.save();
BinaryValue newexv = (BinaryValue)testRoot.getProperty(pname).getValue();
assertEquals("Value data length must be decreased ", pos, newexv.getLength());
}
/**
* Test the case when the property has small (zero) initial length and it will be updated with
* large size content, i.e. the property must be spooled.
*
* The case differs from testAddLength_SmallToBigValue_Persistent in Workspace cache usage, the
* property will be obtained from persistent storage here.
*
* @throws Exception
*/
public void testAddLength_SmallToBigValue_NTFile() throws Exception
{
// create property
String type = "nt:file";
String name = "foo.doc";
Node createdNodeRef = testRoot.addNode(name, type);
Node dataNode = createdNodeRef.addNode("jcr:content", "nt:resource");
dataNode.setProperty("jcr:mimeType", "application/octet-stream");
dataNode.setProperty("jcr:lastModified", Calendar.getInstance());
dataNode.setProperty("jcr:data", new ByteArrayInputStream(new byte[]{}));
testRoot.save();
BinaryValue exv = (BinaryValue)testRoot.getNode(name).getNode("jcr:content").getProperty("jcr:data").getValue();
long pos = 1024 * 1024 * 5;
exv.setLength(pos);
assertEquals("Value data length must be increased ", pos, exv.getLength());
// apply to the Property and save
testRoot.getNode(name).getNode("jcr:content").getProperty("jcr:data").setValue(exv);
testRoot.save();
}
// ----- read operation ------
public void testRead() throws Exception
{
// create property, prepare the data to be readed
String pname = "file@" + testFile.getName();
Property p = testRoot.setProperty(pname, new FileInputStream(testFile));
testRoot.save();
// read partial
ReadableBinaryValue exv = (ReadableBinaryValue)testRoot.getProperty(pname).getValue();
ByteArrayOutputStream baos = new ByteArrayOutputStream();
int len = 200 * 1024;
int pos = 900 * 1024;
long res = exv.read(baos, len, pos);
assertEquals("Wrong bytes count have been read", len, res);
compareStream(new FileInputStream(testFile), new ByteArrayInputStream(baos.toByteArray()), pos, 0, len);
}
public void testReadBigValue() throws Exception
{
// create property, prepare the data to be readed
String pname = "file@" + testFile.getName();
Property p = testRoot.setProperty(pname, new FileInputStream(testFile));
BinaryValue exv = (BinaryValue)p.getValue();
String update1String = "update#1";
long pos = 1024 * 1024;
exv.update(new ByteArrayInputStream(update1String.getBytes()), update1String.length(), pos);
p.setValue(exv);
testRoot.save();
// read partial
exv = (BinaryValue)testRoot.getProperty(pname).getValue();
ByteArrayOutputStream baos = new ByteArrayOutputStream();
long res = exv.read(baos, 5, pos + 2); // read 'date#' bytes
String expected = update1String.substring(2, 7);
assertEquals(expected.length() + " bytes must be read", expected.length(), res);
assertEquals("Readed content not equals to expected", expected, new String(baos.toByteArray()));
// next read
baos = new ByteArrayOutputStream();
res = exv.read(baos, 3, pos + 1); // read 'pda' bytes
expected = update1String.substring(1, 4);
assertEquals(expected.length() + " bytes must be read", expected.length(), res);
assertEquals("Readed content not equals to expected", expected, new String(baos.toByteArray()));
}
public void testReadBigValueEOF() throws Exception
{
// create property, prepare the data to be readed
String pname = "file@" + testFile.getName();
Property p = testRoot.setProperty(pname, new FileInputStream(testFile));
BinaryValue exv = (BinaryValue)p.getValue();
String update1String = "update#1";
long pos = testFile.length();
exv.update(new ByteArrayInputStream(update1String.getBytes()), update1String.length(), pos);
p.setValue(exv);
testRoot.save();
// read partial greater the value size
exv = (BinaryValue)testRoot.getProperty(pname).getValue();
ByteArrayOutputStream baos = new ByteArrayOutputStream();
long res = exv.read(baos, 1024, pos + 2); // read 'date#1' bytes
String expected = update1String.substring(2);
assertEquals(expected.length() + " bytes must be read", expected.length(), res);
assertEquals("Readed content not equals to expected", expected, new String(baos.toByteArray()));
}
public void testReadSmallValue() throws Exception
{
// create property, prepare the data to be readed
String pname = "file@" + testFile.getName();
Property p = testRoot.setProperty(pname, new ByteArrayInputStream("short message".getBytes()));
BinaryValue exv = (BinaryValue)p.getValue();
String update1String = "update#1";
long pos = 6;
exv.update(new ByteArrayInputStream(update1String.getBytes()), update1String.length(), pos);
p.setValue(exv);
testRoot.save();
// read partial
exv = (BinaryValue)testRoot.getProperty(pname).getValue();
ByteArrayOutputStream baos = new ByteArrayOutputStream();
long res = exv.read(baos, 5, pos + 2); // read 'date#' bytes
String expected = update1String.substring(2, 7);
assertEquals(expected.length() + " bytes must be read", expected.length(), res);
assertEquals("Readed content not equals to expected", expected, new String(baos.toByteArray()));
}
public void testReadSmallValueEOF() throws Exception
{
// create property, prepare the data to be readed
String pname = "file@" + testFile.getName();
Property p = testRoot.setProperty(pname, new ByteArrayInputStream("short message".getBytes()));
BinaryValue exv = (BinaryValue)p.getValue();
String update1String = "update#1";
long pos = exv.getLength() + 1;
exv.update(new ByteArrayInputStream(update1String.getBytes()), update1String.length(), pos);
p.setValue(exv);
testRoot.save();
// read partial greater the value size
exv = (BinaryValue)testRoot.getProperty(pname).getValue();
ByteArrayOutputStream baos = new ByteArrayOutputStream();
long res = exv.read(baos, 1024, pos + 2); // read 'date#1' bytes
String expected = update1String.substring(2);
assertEquals(expected.length() + " bytes must be read", expected.length(), res);
assertEquals("Readed content not equals to expected", expected, new String(baos.toByteArray()));
}
public void testReadZeroLengthSmallValue() throws Exception
{
// create property, prepare the data to be readed
String pname = "file@" + testFile.getName();
Property p = testRoot.setProperty(pname, new ByteArrayInputStream("short message".getBytes()));
BinaryValue exv = (BinaryValue)p.getValue();
// read zero bytes
exv = (BinaryValue)testRoot.getProperty(pname).getValue();
ByteArrayOutputStream baos = new ByteArrayOutputStream();
// from begin
long res = exv.read(baos, 0, 0);
assertEquals("Zero bytes must be read", 0, res);
assertEquals("Zero bytes must be read", 0, baos.size());
// from middle
baos = new ByteArrayOutputStream();
res = exv.read(baos, 0, 5);
assertEquals("Zero bytes must be read", 0, res);
assertEquals("Zero bytes must be read", 0, baos.size());
// out of end
try
{
exv.read(baos, 0, exv.getLength() + 10);
fail("The out-of-range exception should be thrown");
}
catch (IOException e)
{
// ok
}
}
public void testReadZeroLengthBigValue() throws Exception
{
// create property, prepare the data to be readed
String pname = "file@" + testFile.getName();
Property p = testRoot.setProperty(pname, new FileInputStream(testFile));
BinaryValue exv = (BinaryValue)p.getValue();
// read zero bytes
exv = (BinaryValue)testRoot.getProperty(pname).getValue();
ByteArrayOutputStream baos = new ByteArrayOutputStream();
// from begin
long res = exv.read(baos, 0, 0);
assertEquals("Zero bytes must be read", 0, res);
assertEquals("Zero bytes must be read", 0, baos.size());
// from middle
baos = new ByteArrayOutputStream();
res = exv.read(baos, 0, 1024 * 1024);
assertEquals("Zero bytes must be read", 0, res);
assertEquals("Zero bytes must be read", 0, baos.size());
// out of end
try
{
exv.read(baos, 0, exv.getLength() + 1024);
fail("The out-of-range exception should be thrown");
}
catch (IOException e)
{
// ok
}
}
/**
* There is a test of next situation: non truncated zero value updated by data (size in
* maxIOBuffSize byte buffer size bounds)
*/
public void testUpdateSmallValues() throws Exception
{
// create property
String pname = "jcr:data";
Property p = testRoot.setProperty(pname, new ByteArrayInputStream(new byte[]{}));
testRoot.save();
BinaryValue exv = (BinaryValue)p.getValue();
long pos = 0;
int size = 61440;
byte[] data = new byte[size];
Random random = new Random();
random.nextBytes(data);
// update
exv.update(new ByteArrayInputStream(data), size, pos);
// transient, before the save
try
{
// the value obtained by getXXX must be same as on setProperty()
compareStream(new ByteArrayInputStream(new byte[]{}), testRoot.getProperty(pname).getStream());
p.setValue(exv);
compareStream(new ByteArrayInputStream(data), testRoot.getProperty(pname).getStream(), 0, pos, size);
testRoot.save();
// persisted, after the save
compareStream(new ByteArrayInputStream(data), testRoot.getProperty(pname).getStream(), 0, pos, size);
}
catch (CompareStreamException e)
{
e.printStackTrace();
fail(e.getMessage());
}
}
}