/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.activemq.artemis.tests.unit.core.journal.impl;
import java.io.File;
import java.nio.ByteBuffer;
import org.apache.activemq.artemis.core.io.SequentialFileFactory;
import org.apache.activemq.artemis.core.io.aio.AIOSequentialFileFactory;
import org.apache.activemq.artemis.core.io.nio.NIOSequentialFileFactory;
import org.apache.activemq.artemis.jlibaio.LibaioContext;
import org.apache.activemq.artemis.tests.unit.core.journal.impl.fakes.FakeSequentialFileFactory;
import org.apache.activemq.artemis.tests.util.ActiveMQTestBase;
import org.junit.Assert;
import org.junit.Test;
public class CleanBufferTest extends ActiveMQTestBase {
// Constants -----------------------------------------------------
// Attributes ----------------------------------------------------
// Static --------------------------------------------------------
// Constructors --------------------------------------------------
// Public --------------------------------------------------------
@Test
public void testCleanOnNIO() {
SequentialFileFactory factory = new NIOSequentialFileFactory(new File("Whatever"), 1);
testBuffer(factory);
}
@Test
public void testCleanOnAIO() {
if (LibaioContext.isLoaded()) {
SequentialFileFactory factory = new AIOSequentialFileFactory(new File("./target"), 50);
testBuffer(factory);
}
}
@Test
public void testCleanOnFake() {
SequentialFileFactory factory = new FakeSequentialFileFactory();
testBuffer(factory);
}
private void testBuffer(final SequentialFileFactory factory) {
factory.start();
ByteBuffer buffer = factory.newBuffer(100);
try {
for (byte b = 0; b < 100; b++) {
buffer.put(b);
}
buffer.rewind();
for (byte b = 0; b < 100; b++) {
Assert.assertEquals(b, buffer.get());
}
buffer.limit(10);
factory.clearBuffer(buffer);
buffer.limit(100);
buffer.rewind();
for (byte b = 0; b < 100; b++) {
if (b < 10) {
Assert.assertEquals(0, buffer.get());
} else {
Assert.assertEquals(b, buffer.get());
}
}
} finally {
factory.releaseBuffer(buffer);
factory.stop();
}
}
// Package protected ---------------------------------------------
// Protected -----------------------------------------------------
// Private -------------------------------------------------------
// Inner classes -------------------------------------------------
}