ConcatenationTest.java

/*
 * (C) Copyright 2005 Arnaud Bailly (arnaud.oqube@gmail.com),
 *     Yves Roos (yroos@lifl.fr) and others.
 *
 * Licensed under the Apache License, Version 2.0 (the License);
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an AS IS BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package rationals.transformations;

import java.util.Arrays;

import junit.framework.TestCase;
import rationals.Automaton;
import rationals.State;
import rationals.Transition;

/**
 * @author nono
 * @version $Id: ConcatenationTest.java 2 2006-08-24 14:41:48Z oqube $
 */
public class ConcatenationTest extends TestCase {

    private Automaton a;
    private Automaton b;

    /*
     * @see TestCase#setUp()
     */
    protected void setUp() throws Exception {
        super.setUp();
        a = new Automaton();
        State s1 = a.addState(true, false);
        State s2 = a.addState(false, false);
        State s3 = a.addState(false, true);
        a.addTransition(new Transition(s1, "a", s2));
        a.addTransition(new Transition(s2, "b", s3));
        b = new Automaton();
        s1 = b.addState(true, true);
        s2 = b.addState(false, false);
        s3 = b.addState(false, true);
        b.addTransition(new Transition(s1, "c", s1));
        b.addTransition(new Transition(s1, "a", s2));
        b.addTransition(new Transition(s2, "b", s3));
        
    }

    /**
     * Constructor for ConcatenationTest.
     * @param arg0
     */
    public ConcatenationTest(String arg0) {
        super(arg0);
    }

    public void test1() {
        Concatenation conc = new Concatenation();
        Automaton c = conc.transform(a,b);
        Object[] word = new Object[] { "a", "b", "c" , "c" , "a", "b" };
        Object[] word1 = new Object[] { "a", "b", "a", "b" };
        Object[] word2 = new Object[] { "a", "b", "c" , "a"};
        assertTrue(c.accept(Arrays.asList(word)));
        assertTrue(c.accept(Arrays.asList(word1)));
        assertTrue(!c.accept(Arrays.asList(word2)));
    }
}