// $Id: TestUMLModelElementConstraintListModel.java,v 1.10 2004/09/08 19:31:38 mvw Exp $
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package org.argouml.uml.ui.foundation.core;

import junit.framework.TestCase;

import org.argouml.model.uml.UmlFactory;
import org.argouml.model.uml.foundation.core.CoreFactory;
import org.argouml.model.uml.modelmanagement.ModelManagementFactory;

import ru.novosoft.uml.MFactoryImpl;
import ru.novosoft.uml.foundation.core.MConstraint;
import ru.novosoft.uml.foundation.core.MModelElement;
import ru.novosoft.uml.model_management.MModel;

/**
 * @since Oct 27, 2002
 * @author jaap.branderhorst@xs4all.nl
 */
public class TestUMLModelElementConstraintListModel extends TestCase {

    private MModelElement elem = null;
    private int oldEventPolicy;
    private UMLModelElementConstraintListModel model;
    private MModel ns;
    
    /**
     * Constructor for TestUMLModelElementConstraintListModel.
     * @param arg0 is the name of the test case.
     */
    public TestUMLModelElementConstraintListModel(String arg0) {
        super(arg0);
    }

    /**
     * @see junit.framework.TestCase#setUp()
     */
    protected void setUp() throws Exception {
        super.setUp();
        ns = ModelManagementFactory.getFactory().createModel();
        elem = (MModelElement) CoreFactory.getFactory().buildClass(ns);
        oldEventPolicy = MFactoryImpl.getEventPolicy();
        MFactoryImpl.setEventPolicy(MFactoryImpl.EVENT_POLICY_IMMEDIATE);
        model = new UMLModelElementConstraintListModel();
        elem.addMElementListener(model);
        model.setTarget(elem);
    }

    /**
     * @see junit.framework.TestCase#tearDown()
     */
    protected void tearDown() throws Exception {
        super.tearDown();
        UmlFactory.getFactory().delete(elem);
        UmlFactory.getFactory().delete(ns);
        MFactoryImpl.setEventPolicy(oldEventPolicy);
        model = null;
    }

    /**
     * Tests the programmatically adding of multiple elements to the list.
     */
    public void testAddMultiple() {  
        MConstraint[] constraints = new MConstraint[10];
        for (int i = 0; i < constraints.length; i++) {
            constraints[i] = CoreFactory.getFactory().createConstraint();
            elem.addConstraint(constraints[i]);
        }
        assertEquals(10, model.getSize());
        assertEquals(model.getElementAt(5), constraints[5]);
        assertEquals(model.getElementAt(0), constraints[0]);
        assertEquals(model.getElementAt(9), constraints[9]);           
    }
    
     /**
     * Test the removal of several elements from the list
     */
    public void testRemoveMultiple() {
        MConstraint[] constraints = new MConstraint[10];
        for (int i = 0; i < constraints.length; i++) {
            constraints[i] = CoreFactory.getFactory().createConstraint();
            elem.addConstraint(constraints[i]);
        }
        for (int i = 0; i < 5; i++) {
            elem.removeConstraint(constraints[i]);
        }
        assertEquals(5, model.getSize());
        assertEquals(constraints[5], model.getElementAt(0));
    }
    
}