ByteArrayTest.java

package org.epics.archiverappliance;

import static org.junit.Assert.fail;

import java.util.Arrays;
import java.util.Random;

import org.junit.Test;

import edu.stanford.slac.archiverappliance.PB.utils.LineEscaper;

public class ByteArrayTest {

	@Test
	public void testByteArray() {
		Random random = new Random();
		int total = 10000;
		long exectime = 0;
		for(int i = 0; i < total; i++) {
			try {
				byte[] startBytes = new byte[total];
				random.nextBytes(startBytes);
				long start = System.currentTimeMillis();
				byte[] escapedData = LineEscaper.escapeNewLines(startBytes);
				ByteArray bar = new ByteArray(escapedData);
				bar.doubleBufferSize();
				if(!Arrays.equals(escapedData, Arrays.copyOfRange(bar.data, bar.off, bar.len))) { 
					fail("Test failed");
				}				
				bar.inPlaceUnescape();
				long end = System.currentTimeMillis();
				exectime += (end-start);
				if(!Arrays.equals(startBytes, Arrays.copyOfRange(bar.unescapedData, bar.off, bar.unescapedLen))) { 
					fail("Test failed");
				}
				
			} catch(Exception ex) {
				fail("Test failed with exception " + ex.getMessage());
			}
		}
		System.out.println("Time to escape/unescape " + total + " byte sequences is " + (exectime)/1000 + "(s) yielding " + (((float)total)/((exectime)/1000)) + " sequences per second");
	}	
}