ShortenerTest.java

package edu.mssm.pharm.maayanlab.Enrichr;

import java.util.Random;

import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;

public class ShortenerTest extends TestCase {

	/**
	 * @return the suite of tests being tested
	 */
	public static Test suite()
	{
		return new TestSuite( ShortenerTest.class );
	}
	
	public void testEquivalency() {
		Random rng = new Random();
		int number = rng.nextInt(Integer.MAX_VALUE);
		
		int result = Shortener.decode(Shortener.encode(number));
		assertEquals(number, result);
	}
	
	public void testEncode() {
		assertEquals("0", Shortener.encode(0));
		assertEquals("1", Shortener.encode(1));
		assertEquals("zik0zj", Shortener.encode(2147483647));
	}
	
	public void testDecode() {
		assertEquals(0, Shortener.decode("0"));
		assertEquals(1, Shortener.decode("1"));
		assertEquals(2147483647, Shortener.decode("zik0zj"));
	}
	
}