testbasictransition.java

Rakiura JFern是一个非常轻型的带有模拟器的Petri网络框架

package org.rakiura.cpn;

/**/
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;

/**
 * Test utility for BasicTransition class test suite.
 * 
 *<br>
 * TestBasicTransition.java<br>
 * <br>
 * Created: Fri Oct 29 17:42:14 1999<br>
 *
 * @author Mariusz Nowostawski
 * @version $Revision: 1.7 $
 */
public class TestBasicTransition extends TestCase {

  Transition transition;

  /**/
  public TestBasicTransition(String name) {
    super(name);
  }
  
  /** Setup. */
  protected void setUp(){
    transition = new Transition();
  }
  
  /**
   */
  public void testTransitionOperations(){
    Marking mark = new Marking();
    final Multiset m1 = new Multiset();
    m1.add(new Integer(1));
    final Place p1 = new Place(new Multiset(m1));
    final Place p2 = new Place();
    final Transition t1 = new Transition();
    final InputArc a1 = new InputArc(p1, t1);
    a1.setExpression(a1.new Expression() {
      public void evaluate() {
        var(1);
      }
    });
    final OutputArc a2 = new OutputArc(t1, p2);
    a2.setExpression(a2.new Expression() {
        public Multiset evaluate() {
          return new Multiset(getMultiset().getAny());
        }
      });
    
    t1.setGuard(t1.new Guard() {
        public boolean evaluate() {
          return t1.inputArcs().size() == 1;
        }
      });
    
    mark.put(p1, new Multiset(m1));
    mark.put(p2, new Multiset(m1));
    assert(t1.isEnabled());
    assertEquals("Test of the a1 place initial size", 1, a1.place().getTokens().size());
    assertEquals("Test of the a2 place initial size", 0, a2.place().getTokens().size());

    t1.fire();
    
    assertEquals("Test of the a1 place size after fire()", 0, a1.place().getTokens().size());
    assertEquals("Test of the a2 place size after fire()", 1, a2.place().getTokens().size());
  }
  
  /**
   * Test suite. */ 
  public static Test suite() { 
    return new TestSuite(TestBasicTransition.class); 
  }

} // TestBasicTransition
//////////////////// end of file ////////////////////