/*
* eXist Open Source Native XML Database
* Copyright (C) 2001-04 The eXist Project
* http://exist-db.org
*
* This program 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
* of the License, or (at your option) any later version.
*
* This program 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 program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* $Id$
*/
package org.exist.storage;
import junit.framework.TestCase;
import junit.textui.TestRunner;
import org.exist.storage.btree.Value;
import org.exist.storage.index.BFile;
import org.exist.storage.sync.Sync;
import org.exist.storage.txn.TransactionManager;
import org.exist.storage.txn.Txn;
import org.exist.util.Configuration;
import org.exist.util.FixedByteArray;
import static java.nio.charset.StandardCharsets.UTF_8;
/**
* @author wolf
*
*/
public class BFileOverflowTest extends TestCase {
public static void main(String[] args) {
TestRunner.run(BFileOverflowTest.class);
}
private BrokerPool pool;
public void testAdd() {
TransactionManager mgr = pool.getTransactionManager();
DBBroker broker = null;
try {
broker = pool.get(pool.getSecurityManager().getSystemSubject());
broker.flush();
broker.sync(Sync.MAJOR_SYNC);
Txn txn = mgr.beginTransaction();
System.out.println("Transaction started ...");
BFile collectionsDb = (BFile) ((NativeBroker)broker).getStorage(NativeBroker.COLLECTIONS_DBX_ID);
BrokerPool.FORCE_CORRUPTION = true;
Value key = new Value("test".getBytes());
byte[] data = "_HELLO_YOU_".getBytes();
collectionsDb.put(txn, key, new FixedByteArray(data, 0, data.length), true);
for (int i = 1; i < 101; i++) {
String value = "_HELLO_" + i;
data = value.getBytes(UTF_8);
collectionsDb.append(txn, key, new FixedByteArray(data, 0, data.length));
}
mgr.commit(txn);
// start a new transaction that will not be committed and thus undone
txn = mgr.beginTransaction();
for (int i = 1001; i < 2001; i++) {
String value = "_HELLO_" + i;
data = value.getBytes(UTF_8);
collectionsDb.append(txn, key, new FixedByteArray(data, 0, data.length));
}
collectionsDb.remove(txn, key);
mgr.getJournal().flushToLog(true);
} catch (Exception e) {
fail(e.getMessage());
} finally {
pool.release(broker);
}
}
public void testRead() {
BrokerPool.FORCE_CORRUPTION = false;
DBBroker broker = null;
try {
broker = pool.get(pool.getSecurityManager().getSystemSubject());
BFile collectionsDb = (BFile)((NativeBroker)broker).getStorage(NativeBroker.COLLECTIONS_DBX_ID);
Value key = new Value("test".getBytes());
Value val = collectionsDb.get(key);
System.out.println(new String(val.data(), val.start(), val.getLength()));
} catch (Exception e) {
fail(e.getMessage());
} finally {
pool.release(broker);
}
}
protected void setUp() {
try {
Configuration config = new Configuration();
BrokerPool.configure(1, 5, config);
pool = BrokerPool.getInstance();
} catch (Exception e) {
fail(e.getMessage());
}
}
protected void tearDown() {
BrokerPool.stopAll(false);
}
}