package crc;

import java.util.zip.CRC32;

import org.junit.Test;

public class CrcTest {
    @Test
    public void test() {
        final CRC32 crc = new CRC32();
        final byte[] data = new byte[1024 * 1024];
        final long start = System.currentTimeMillis();
        crc.update("DATA".getBytes());

        for (int i = 0; i < (1024); i++) {
            crc.update(data);
        }

        crc.update("DATA".getBytes());

        System.out.println(crc.getValue() + " " + (System.currentTimeMillis() - start));
    }
}