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 TestContain extends TestCase {
    private static IAlgo contain = Contain.Singleton;
    
    /**
     */
    public void testEmptyCase() {
        LRStruct L = new LRStruct();
        assertEquals("() contains 5: ", false, L.execute(contain, 5));
    }
    
    /**
     */
    public void testNonEmptyCase() {
        LRStruct L = new LRStruct();
        L.insertFront(5);
        assertEquals("(5) contains 5: ", true, L.execute(contain, 5));
        assertEquals("(5) contains 10: ", false, L.execute(contain, 10));
        L.insertFront(10);
        assertEquals("(10 5) contains 5: ", true, L.execute(contain, 5));
        assertEquals("(10 5) contains 10: ", true, L.execute(contain, 10));
        assertEquals("(10 5) contains 99: ", false, L.execute(contain, 99));
    }
}