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package org.sonar.microbenchmark;
import org.apache.commons.io.FileUtils;
import org.junit.Before;
import org.junit.Test;
import java.io.File;
import java.io.FileOutputStream;
import java.io.OutputStream;
import java.util.zip.Deflater;
public class SerializationBenchmarkTest {
SerializationBenchmark benchmark = new SerializationBenchmark();
@Before
public void setUp() throws Exception {
benchmark.setup();
}
@Test
public void size_of_gson_output() throws Exception {
benchmark.write_gson();
System.out.println("GSON: " + sizeOf(benchmark.outputFile));
System.out.println("GSON (zipped): " + sizeOf(zipFile(benchmark.outputFile)));
}
@Test
public void size_of_protobuf_output() throws Exception {
benchmark.write_protobuf();
System.out.println("Protocol Buffers: " + sizeOf(benchmark.outputFile));
System.out.println("Protocol Buffers (zipped): " + sizeOf(zipFile(benchmark.outputFile)));
}
@Test
public void size_of_serializable_output() throws Exception {
benchmark.write_serializable();
System.out.println("java.io.Serializable: " + sizeOf(benchmark.outputFile));
System.out.println("java.io.Serializable (zipped): " + sizeOf(zipFile(benchmark.outputFile)));
}
@Test
public void size_of_externalizable_output() throws Exception {
benchmark.write_externalizable();
System.out.println("java.io.Externalizable: " + sizeOf(benchmark.outputFile));
System.out.println("java.io.Externalizable (zipped): " + sizeOf(zipFile(benchmark.outputFile)));
}
@Test
public void size_of_kryo_output() throws Exception {
benchmark.write_kryo();
System.out.println("Kryo: " + sizeOf(benchmark.outputFile));
System.out.println("Kryo (zipped): " + sizeOf(zipFile(benchmark.outputFile)));
}
private String sizeOf(File file) {
return FileUtils.byteCountToDisplaySize(FileUtils.sizeOf(file));
}
private File zipFile(File input) throws Exception {
File zipFile = new File(input.getAbsolutePath() + ".zip");
Deflater deflater = new Deflater();
byte[] content = FileUtils.readFileToByteArray(input);
deflater.setInput(content);
OutputStream outputStream = new FileOutputStream(zipFile);
deflater.finish();
byte[] buffer = new byte[1024];
while (!deflater.finished()) {
int count = deflater.deflate(buffer); // returns the generated code... index
outputStream.write(buffer, 0, count);
}
outputStream.close();
deflater.end();
return zipFile;
}
}
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