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/*-
* See the file LICENSE for redistribution information.
*
* Copyright (c) 2002,2010 Oracle. All rights reserved.
*
* $Id: ValidateSubtreeDeleteTest.java,v 1.34.2.2 2010/01/04 15:30:48 cwl Exp $
*/
package com.sleepycat.je.tree;
import java.io.File;
import java.io.IOException;
import junit.framework.TestCase;
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.Transaction;
import com.sleepycat.je.config.EnvironmentParams;
import com.sleepycat.je.log.FileManager;
import com.sleepycat.je.util.TestUtils;
public class ValidateSubtreeDeleteTest extends TestCase {
private File envHome;
private Environment env;
private Database testDb;
public ValidateSubtreeDeleteTest() {
envHome = new File(System.getProperty(TestUtils.DEST_DIR));
}
public void setUp()
throws IOException, DatabaseException {
TestUtils.removeFiles("Setup", envHome, FileManager.JE_SUFFIX);
EnvironmentConfig envConfig = TestUtils.initEnvConfig();
envConfig.setTransactional(true);
envConfig.setConfigParam(EnvironmentParams.ENV_RUN_INCOMPRESSOR.getName(),
"false");
envConfig.setConfigParam(EnvironmentParams.NODE_MAX.getName(), "6");
envConfig.setAllowCreate(true);
env = new Environment(envHome, envConfig);
DatabaseConfig dbConfig = new DatabaseConfig();
dbConfig.setTransactional(true);
dbConfig.setAllowCreate(true);
dbConfig.setSortedDuplicates(true);
testDb = env.openDatabase(null, "Test", dbConfig);
}
public void tearDown() throws IOException, DatabaseException {
testDb.close();
if (env != null) {
try {
env.close();
} catch (DatabaseException E) {
}
}
TestUtils.removeFiles("TearDown", envHome, FileManager.JE_SUFFIX);
}
public void testBasic()
throws Exception {
try {
/* Make a 3 level tree full of data */
DatabaseEntry key = new DatabaseEntry();
DatabaseEntry data = new DatabaseEntry();
byte[] testData = new byte[1];
testData[0] = 1;
data.setData(testData);
Transaction txn = env.beginTransaction(null, null);
for (int i = 0; i < 15; i ++) {
key.setData(TestUtils.getTestArray(i));
testDb.put(txn, key, data);
}
/* Should not be able to delete any of it */
assertFalse(DbInternal.dbGetDatabaseImpl(testDb).getTree().validateDelete(0));
assertFalse(DbInternal.dbGetDatabaseImpl(testDb).getTree().validateDelete(1));
/*
* Should be able to delete both, the txn is aborted and the data
* isn't there.
*/
txn.abort();
assertTrue(DbInternal.dbGetDatabaseImpl(testDb).getTree().validateDelete(0));
assertTrue(DbInternal.dbGetDatabaseImpl(testDb).getTree().validateDelete(1));
/*
* Try explicit deletes.
*/
txn = env.beginTransaction(null, null);
for (int i = 0; i < 15; i ++) {
key.setData(TestUtils.getTestArray(i));
testDb.put(txn, key, data);
}
for (int i = 0; i < 15; i ++) {
key.setData(TestUtils.getTestArray(i));
testDb.delete(txn, key);
}
assertFalse(DbInternal.dbGetDatabaseImpl(testDb).getTree().validateDelete(0));
assertFalse(DbInternal.dbGetDatabaseImpl(testDb).getTree().validateDelete(1));
// XXX, now commit the delete and compress and test that the
// subtree is deletable. Not finished yet! Also must test deletes.
txn.abort();
} catch (Exception e) {
e.printStackTrace();
throw e;
}
}
public void testDuplicates()
throws Exception {
try {
/* Make a 3 level tree full of data */
DatabaseEntry key = new DatabaseEntry();
DatabaseEntry data = new DatabaseEntry();
byte[] testData = new byte[1];
testData[0] = 1;
key.setData(testData);
Transaction txn = env.beginTransaction(null, null);
for (int i = 0; i < 4; i ++) {
data.setData(TestUtils.getTestArray(i));
testDb.put(txn, key, data);
}
/* Should not be able to delete any of it */
Tree tree = DbInternal.dbGetDatabaseImpl(testDb).getTree();
assertFalse(tree.validateDelete(0));
/*
* Should be able to delete, the txn is aborted and the data
* isn't there.
*/
txn.abort();
assertTrue(tree.validateDelete(0));
/*
* Try explicit deletes.
*/
} catch (Exception e) {
e.printStackTrace();
throw e;
}
}
}
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