import lrs.*;
import lrs.visitor.*;

/**
 * Tests a few visitors.
 * @author D. X. Nguyen
 * @since 10/10/01
 */
public class TestVisitors {

    public void testIntegerList(IAlgo algo, Object inp) {
        System.out.println("Testing " + algo.getClass() + " with input " + inp);
        LRStruct lon = new LRStruct();
        lon.insertFront(new Integer(-4));
        System.out.println("Before: " + lon);
        lon.execute(algo, inp);
        System.out.println("After: " + lon);
        lon.insertFront(new Integer(17));
        System.out.println("Before: " + lon);
        lon.execute(algo, inp);
        System.out.println("After: " + lon);
        lon.insertFront(new Integer(-23));
        lon.insertFront(new Integer(10));
        System.out.println("Before: " + lon);
        lon.execute(algo, inp);
        System.out.println("After: " + lon);
        lon.insertFront(new Integer(-30));
        lon.insertFront(new Integer(48));
        System.out.println("Before: " + lon);
        lon.execute(algo, inp);
        System.out.println("After: " + lon);
        lon.insertFront(new Integer(0));
        lon.insertFront(new Integer(5));
        lon.insertFront(new Integer(100));
        lon.insertFront(new Integer(-20));
        lon.insertFront(new Integer(-39));
        System.out.println("Before: " + lon);
        lon.execute(algo, inp);
        System.out.println("After: " + lon);
        System.out.println();
    }

    public void testListOfLists(IAlgo algo, Object inp) {
        System.out.println("Testing " + algo.getClass() + " with input " + inp);
        LRStruct LoL = new LRStruct();
        LRStruct lon1 = new LRStruct();
        lon1.insertFront(new Double(-4));
        LoL.insertFront(lon1);
        lon1 = new LRStruct();
        lon1.insertFront(new Double(17));
        lon1.insertFront(new Double(-23));
        lon1.insertFront(new Double(10));
        LoL.insertFront(lon1);
        lon1 = new LRStruct();
        LoL.insertFront(lon1);
        lon1 = new LRStruct();
        lon1.insertFront(new Double(-30));
        lon1.insertFront(new Double(48));
        LoL.insertFront(lon1);
        lon1 = new LRStruct();
        lon1.insertFront(new Double(0));
        lon1.insertFront(new Double(5));
        lon1.insertFront(new Double(100));
        lon1.insertFront(new Double(-20));
        lon1.insertFront(new Double(-39));
        LoL.insertFront(lon1);
        System.out.println("Before: " + LoL);
        LoL.execute(algo, inp);
        System.out.println("After: " + LoL);
        System.out.println();
    }

    public void test() {
        testIntegerList(AddPairs.Singleton, null);
        testIntegerList(FilterN.Singleton, new Integer(2));
        testIntegerList(ModN.Singleton, new Integer(5));
        testListOfLists(ReplaceWithAverage.Singleton, null);
    }

    public static void main(String[] args) {
        new TestVisitors().test();
    }
}