package lrs.visitor.test;

import junit.framework.TestCase;
import lrs.*;
import lrs.visitor.*;


/**
 * A JUnit test case class.
 * Every method starting with the word "test" will be called when running
 * the test with JUnit.
 */
public class TestRemDupFwd extends TestCase {
    private static IAlgo remDup = RemDupFwd.Singleton;
    
    /**
     */
    public void testEmptyCase() {
        LRStruct L = new LRStruct();
        assertEquals("() remDup: ", "()", L.execute(remDup).toString());
    }
    
    /**
     */
    public void testNonEmptyCase() {
        LRStruct L = new LRStruct();
        L.insertFront(5);
        assertEquals("(5) remDups: ", "(5)", L.execute(remDup).toString());
        L.insertFront(5);
        assertEquals("(5 5) remDups: ", "(5)", L.execute(remDup).toString());
        L.insertFront(10);
        assertEquals("(10 5) remDups: ", "(10 5)", L.execute(remDup).toString());
        L.insertFront(3);
        L.insertFront(5);
        L.insertFront(10);
        L.insertFront(5);
        L.insertFront(3);
        L.insertFront(5);
        L.insertFront(99);
        assertEquals("(99 5 3 5 10 5 3 10 5) remDups: ", "(99 5 3 10)", L.execute(remDup).toString());
    }
}