/**
* Copyright The Apache Software Foundation
*
* 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.hadoop.hbase.io.hfile.bucket;
import static org.junit.Assert.assertTrue;
import java.io.File;
import java.io.IOException;
import java.nio.ByteBuffer;
import org.apache.hadoop.hbase.testclassification.SmallTests;
import org.junit.Test;
import org.junit.experimental.categories.Category;
/**
* Basic test for {@link FileIOEngine}
*/
@Category(SmallTests.class)
public class TestFileIOEngine {
@Test
public void testFileIOEngine() throws IOException {
int size = 2 * 1024 * 1024; // 2 MB
String filePath = "testFileIOEngine";
try {
FileIOEngine fileIOEngine = new FileIOEngine(filePath, size);
for (int i = 0; i < 50; i++) {
int len = (int) Math.floor(Math.random() * 100);
long offset = (long) Math.floor(Math.random() * size % (size - len));
byte[] data1 = new byte[len];
for (int j = 0; j < data1.length; ++j) {
data1[j] = (byte) (Math.random() * 255);
}
byte[] data2 = new byte[len];
fileIOEngine.write(ByteBuffer.wrap(data1), offset);
fileIOEngine.read(ByteBuffer.wrap(data2), offset);
for (int j = 0; j < data1.length; ++j) {
assertTrue(data1[j] == data2[j]);
}
}
} finally {
File file = new File(filePath);
if (file.exists()) {
file.delete();
}
}
}
}