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/*-
* See the file LICENSE for redistribution information.
*
* Copyright (c) 2002,2010 Oracle. All rights reserved.
*
* $Id: SR10597Test.java,v 1.10.2.2 2010/01/04 15:30:42 cwl Exp $
*/
package com.sleepycat.je.cleaner;
import java.io.File;
import java.io.IOException;
import junit.framework.TestCase;
import com.sleepycat.je.CheckpointConfig;
import com.sleepycat.je.Cursor;
import com.sleepycat.je.Database;
import com.sleepycat.je.DatabaseConfig;
import com.sleepycat.je.DatabaseEntry;
import com.sleepycat.je.DatabaseException;
import com.sleepycat.je.DbInternal;
import com.sleepycat.je.Environment;
import com.sleepycat.je.EnvironmentConfig;
import com.sleepycat.je.OperationStatus;
import com.sleepycat.je.config.EnvironmentParams;
import com.sleepycat.je.log.FileManager;
import com.sleepycat.je.util.TestUtils;
public class SR10597Test extends TestCase {
private static final String DB_NAME = "foo";
private static final CheckpointConfig forceConfig = new CheckpointConfig();
static {
forceConfig.setForce(true);
}
private File envHome;
private Environment env;
private Database db;
public SR10597Test() {
envHome = new File(System.getProperty(TestUtils.DEST_DIR));
}
public void setUp()
throws IOException, DatabaseException {
TestUtils.removeLogFiles("Setup", envHome, false);
TestUtils.removeFiles("Setup", envHome, FileManager.DEL_SUFFIX);
}
public void tearDown()
throws IOException, DatabaseException {
try {
if (env != null) {
env.close();
}
} catch (Throwable e) {
System.out.println("tearDown: " + e);
}
try {
TestUtils.removeLogFiles("tearDown", envHome, true);
TestUtils.removeFiles("tearDown", envHome, FileManager.DEL_SUFFIX);
} catch (Throwable e) {
System.out.println("tearDown: " + e);
}
db = null;
env = null;
envHome = null;
}
/**
* Opens the environment and database.
*/
private void openEnv()
throws DatabaseException {
EnvironmentConfig config = TestUtils.initEnvConfig();
DbInternal.disableParameterValidation(config);
config.setAllowCreate(true);
/* Do not run the daemons. */
config.setConfigParam
(EnvironmentParams.ENV_RUN_CLEANER.getName(), "false");
config.setConfigParam
(EnvironmentParams.ENV_RUN_EVICTOR.getName(), "false");
config.setConfigParam
(EnvironmentParams.ENV_RUN_CHECKPOINTER.getName(), "false");
config.setConfigParam
(EnvironmentParams.ENV_RUN_INCOMPRESSOR.getName(), "false");
/* Use a small log file size to make cleaning more frequent. */
config.setConfigParam(EnvironmentParams.LOG_FILE_MAX.getName(),
Integer.toString(1024));
env = new Environment(envHome, config);
openDb();
}
/**
* Opens that database.
*/
private void openDb()
throws DatabaseException {
DatabaseConfig dbConfig = new DatabaseConfig();
dbConfig.setAllowCreate(true);
dbConfig.setSortedDuplicates(true);
db = env.openDatabase(null, DB_NAME, dbConfig);
}
/**
* Closes the environment and database.
*/
private void closeEnv()
throws DatabaseException {
if (db != null) {
db.close();
db = null;
}
if (env != null) {
env.close();
env = null;
}
}
/**
*/
public void testSR10597()
throws DatabaseException {
openEnv();
/* Put some duplicates, enough to fill a log file. */
final int COUNT = 10;
DatabaseEntry key = new DatabaseEntry(TestUtils.getTestArray(0));
DatabaseEntry data = new DatabaseEntry();
for (int i = 0; i < COUNT; i += 1) {
data.setData(TestUtils.getTestArray(i));
db.put(null, key, data);
}
Cursor cursor = db.openCursor(null, null);
assertEquals(OperationStatus.SUCCESS,
cursor.getSearchKey(key, data, null));
assertEquals(COUNT, cursor.count());
cursor.close();
/* Delete everything, then compress to delete the DIN. */
db.delete(null, key);
env.compress();
data.setData(TestUtils.getTestArray(0));
/* Add a single record, which will not create a DIN. */
db.put(null, key, data);
/* Checkpoint and clean. */
env.checkpoint(forceConfig);
int cleaned = env.cleanLog();
assertTrue("cleaned=" + cleaned, cleaned > 0);
/*
* Before the fix to 10597, when cleaning the log we would be looking
* for an LN with containsDuplicates=true. We assumed that when we
* found the BIN entry, it must point to a DIN. But because we
* deleted and compressed above, the entry is actually an LN. This
* caused a ClassCastException at the bottom of
* Tree.getParentBINForChildLN.
*/
closeEnv();
}
}
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