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/*-
* See the file LICENSE for redistribution information.
*
* Copyright (c) 2002,2010 Oracle. All rights reserved.
*
* $Id: LogUtilsTest.java,v 1.24.2.2 2010/01/04 15:30:44 cwl Exp $
*/
package com.sleepycat.je.log;
import java.nio.ByteBuffer;
import java.sql.Timestamp;
import java.util.Arrays;
import java.util.Calendar;
import junit.framework.TestCase;
/**
* Test basic marshalling utilities
*/
public class LogUtilsTest extends TestCase {
public void testMarshalling() {
ByteBuffer dest = ByteBuffer.allocate(100);
// unsigned ints
long unsignedData = 10;
dest.clear();
LogUtils.writeUnsignedInt(dest, unsignedData);
assertEquals(LogUtils.UNSIGNED_INT_BYTES, dest.position());
dest.flip();
assertEquals(unsignedData, LogUtils.readUnsignedInt(dest));
unsignedData = 49249249L;
dest.clear();
LogUtils.writeUnsignedInt(dest, unsignedData);
assertEquals(LogUtils.UNSIGNED_INT_BYTES, dest.position());
dest.flip();
assertEquals(unsignedData, LogUtils.readUnsignedInt(dest));
// ints
int intData = -1021;
dest.clear();
LogUtils.writeInt(dest, intData);
assertEquals(LogUtils.INT_BYTES, dest.position());
dest.flip();
assertEquals(intData, LogUtils.readInt(dest));
intData = 257;
dest.clear();
LogUtils.writeInt(dest, intData);
assertEquals(LogUtils.INT_BYTES, dest.position());
dest.flip();
assertEquals(intData, LogUtils.readInt(dest));
// longs
long longData = -1021;
dest.clear();
LogUtils.writeLong(dest, longData);
assertEquals(LogUtils.LONG_BYTES, dest.position());
dest.flip();
assertEquals(longData, LogUtils.readLong(dest));
// byte arrays
byte[] byteData = new byte[] {1,2,3,4,5,6,7,8,9,10,11,12};
dest.clear();
LogUtils.writeByteArray(dest, byteData);
assertEquals(LogUtils.getPackedIntLogSize(12) + 12, dest.position());
dest.flip();
assertTrue(Arrays.equals(byteData,
LogUtils.readByteArray(dest,
false/*unpacked*/)));
// Strings
String stringData = "Hello world!";
dest.clear();
LogUtils.writeString(dest, stringData);
assertEquals(LogUtils.INT_BYTES + 9, dest.position());
dest.flip();
assertEquals(stringData, LogUtils.readString(dest, false/*unpacked*/));
// Timestamps
Timestamp timestampData =
new Timestamp(Calendar.getInstance().getTimeInMillis());
dest.clear();
LogUtils.writeTimestamp(dest, timestampData);
assertEquals(LogUtils.getTimestampLogSize(timestampData),
dest.position());
dest.flip();
assertEquals(timestampData, LogUtils.readTimestamp(dest, false));
// Booleans
boolean boolData = true;
dest.clear();
LogUtils.writeBoolean(dest, boolData);
assertEquals(1, dest.position());
dest.flip();
assertEquals(boolData, LogUtils.readBoolean(dest));
/*
* Test packed values with both array and direct buffers because the
* implementation is different when there is an array available
* (ByteBuffer.hasArray) or not.
*/
testPacked(dest);
testPacked(ByteBuffer.allocateDirect(100));
}
private void testPacked(ByteBuffer dest) {
// packed ints
int intValue = 119;
dest.clear();
LogUtils.writePackedInt(dest, intValue);
assertEquals(1, dest.position());
dest.flip();
assertEquals(intValue, LogUtils.readPackedInt(dest));
intValue = 0xFFFF + 119;
dest.clear();
LogUtils.writePackedInt(dest, intValue);
assertEquals(3, dest.position());
dest.flip();
assertEquals(intValue, LogUtils.readPackedInt(dest));
intValue = Integer.MAX_VALUE;
dest.clear();
LogUtils.writePackedInt(dest, intValue);
assertEquals(5, dest.position());
dest.flip();
assertEquals(intValue, LogUtils.readPackedInt(dest));
// packed longs
long longValue = 119;
dest.clear();
LogUtils.writePackedLong(dest, longValue);
assertEquals(1, dest.position());
dest.flip();
assertEquals(longValue, LogUtils.readPackedLong(dest));
longValue = 0xFFFFFFFFL + 119;
dest.clear();
LogUtils.writePackedLong(dest, longValue);
assertEquals(5, dest.position());
dest.flip();
assertEquals(longValue, LogUtils.readPackedLong(dest));
longValue = Long.MAX_VALUE;
dest.clear();
LogUtils.writePackedLong(dest, longValue);
assertEquals(9, dest.position());
dest.flip();
assertEquals(longValue, LogUtils.readPackedLong(dest));
}
}
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