/**
* 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.core.io.aio;
import java.io.File;
import java.nio.ByteBuffer;
import org.apache.activemq.artemis.core.io.SequentialFile;
import org.apache.activemq.artemis.core.io.SequentialFileFactory;
import org.apache.activemq.artemis.core.io.nio.NIOSequentialFileFactory;
import org.apache.activemq.artemis.core.io.util.FileIOUtil;
import org.junit.Assert;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.TemporaryFolder;
public class FileIOUtilTest {
@Rule
public TemporaryFolder temporaryFolder;
public FileIOUtilTest() {
File parent = new File("./target");
parent.mkdirs();
temporaryFolder = new TemporaryFolder(parent);
}
@Test
public void testCopy() throws Exception {
System.out.println("Data at " + temporaryFolder.getRoot());
SequentialFileFactory factory = new NIOSequentialFileFactory(temporaryFolder.getRoot(), 100);
SequentialFile file = factory.createSequentialFile("file1.bin");
file.open();
ByteBuffer buffer = ByteBuffer.allocate(204800);
buffer.put(new byte[204800]);
buffer.rewind();
file.writeDirect(buffer, true);
buffer = ByteBuffer.allocate(409605);
buffer.put(new byte[409605]);
buffer.rewind();
SequentialFile file2 = factory.createSequentialFile("file2.bin");
file2.open();
file2.writeDirect(buffer, true);
// This is allocating a reusable buffer to perform the copy, just like it's used within LargeMessageInSync
buffer = ByteBuffer.allocate(4 * 1024);
SequentialFile newFile = factory.createSequentialFile("file1.cop");
FileIOUtil.copyData(file, newFile, buffer);
SequentialFile newFile2 = factory.createSequentialFile("file2.cop");
FileIOUtil.copyData(file2, newFile2, buffer);
Assert.assertEquals(file.size(), newFile.size());
Assert.assertEquals(file2.size(), newFile2.size());
newFile.close();
newFile2.close();
file.close();
file2.close();
System.out.println("Test result::");
}
}