// $Id: TestUMLModelElementNamespaceListModel.java,v 1.9 2004/09/26 20:45:30 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 ru.novosoft.uml.MFactoryImpl;
import ru.novosoft.uml.foundation.core.MModelElement;
import ru.novosoft.uml.foundation.core.MNamespace;

/**
 * @since Oct 30, 2002
 * @author jaap.branderhorst@xs4all.nl
 */
public class TestUMLModelElementNamespaceListModel extends TestCase {

    private int oldEventPolicy;
    private UMLModelElementNamespaceListModel model;
    private MModelElement elem;
    
    /**
     * Constructor for TestUMLModelElementNamespaceListModel.
     *
     * @param arg0 the name of the test.
     */
    public TestUMLModelElementNamespaceListModel(String arg0) {
        super(arg0);
    }
   
    /**
     * @see junit.framework.TestCase#setUp()
     */
    protected void setUp() throws Exception {
        super.setUp();
        elem = CoreFactory.getFactory().createClass();
        oldEventPolicy = MFactoryImpl.getEventPolicy();
        MFactoryImpl.setEventPolicy(MFactoryImpl.EVENT_POLICY_IMMEDIATE);       
        model = new UMLModelElementNamespaceListModel();
        model.setTarget(elem);
        elem.addMElementListener(model);
    }
    
    /**
     * @see junit.framework.TestCase#tearDown()
     */
    protected void tearDown() throws Exception {
        super.tearDown();
        UmlFactory.getFactory().delete(elem);
        MFactoryImpl.setEventPolicy(oldEventPolicy);
        model = null;
    }
    
    /**
     * Test for setNameSpace.
     */
    public void testSetNamespace() {
        MNamespace ns = CoreFactory.getFactory().createNamespace();
        elem.setNamespace(ns);
        assertEquals(1, model.getSize());
        assertEquals(ns, model.getElementAt(0));
    }
    
    /**
     * Test removing a namespace.
     */
    public void testRemoveNamespace() {
        MNamespace ns = CoreFactory.getFactory().createNamespace();
        elem.setNamespace(ns);
        elem.setNamespace(null);
        assertEquals(0, model.getSize());
        assertTrue(model.isEmpty());
    } 
}