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package org.apache.james.mime4j;
import java.io.OutputStream;
import java.util.Random;
import org.apache.commons.io.output.NullOutputStream;
import org.apache.james.mime4j.codec.QuotedPrintableOutputStream;
public class QuotedPrintableOutputStreamBench {
public static void main(String[] args) throws Exception {
byte[] data = initData(1024);
OutputStream nullOut = new NullOutputStream();
QuotedPrintableOutputStream base64Out = new QuotedPrintableOutputStream(nullOut, true);
// warmup
for (int i = 0; i < 2000; i++) {
base64Out.write(data);
}
Thread.sleep(100);
// test
long t0 = System.currentTimeMillis();
final int repetitions = 500000;
for (int i = 0; i < repetitions; i++) {
base64Out.write(data);
}
base64Out.close();
long dt = System.currentTimeMillis() - t0;
long totalBytes = data.length * (long) repetitions;
double mbPerSec = (totalBytes / 1024.0 / 1024) / (dt / 1000.0);
System.out.println(dt + " ms");
System.out.println(totalBytes + " bytes");
System.out.println(mbPerSec + " mb/sec");
}
private static byte[] initData(int size) {
Random random = new Random(size);
byte[] data = new byte[size];
random.nextBytes(data);
return data;
}
}