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 TestMerge extends TestCase {
    
    /**
     */
    public void testEmptyCase() {
        LRStruct l1 = new LRStruct ();
        LRStruct l2 = new LRStruct ();
        System.out.println ("Merging l1 into l2...");
        l2.execute (Merge.Singleton, l1);
        System.out.println ("l1: " + l1);
        System.out.println ("l2: " + l2);
    }
    
    /**
     */
    public void testNonEmptyCase() {
        LRStruct l1 = new LRStruct ();
        l1.insertFront(263);
        l1.insertFront(15);
        l1.insertFront(-9);
        l1.insertFront(-72);
        System.out.print ("l1: " + l1);
        System.out.println();
        
        LRStruct l2 = new LRStruct ();
        l2.insertFront(48);
        l2.insertFront(0);
        l2.insertFront(-2);
        System.out.print("l2: " + l2);
        System.out.println();
        System.out.println("Merging l1, l2...");
        l1.execute(Merge.Singleton, l2);
        System.out.println("l1: " + l1);
        System.out.println("l2: " + l2);
        System.out.println();    }

}