CheckBoxModelAdapterTests.java

/*******************************************************************************
 * Copyright (c) 1998, 2015 Oracle and/or its affiliates. All rights reserved.
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0
 * which accompanies this distribution.
 * The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
 * and the Eclipse Distribution License is available at
 * http://www.eclipse.org/org/documents/edl-v10.php.
 *
 * Contributors:
 *     Oracle - initial API and implementation from Oracle TopLink
******************************************************************************/
package org.eclipse.persistence.tools.workbench.test.uitools.app.swing;

import javax.swing.ButtonModel;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
import javax.swing.event.EventListenerList;

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

import org.eclipse.persistence.tools.workbench.test.utility.TestTools;
import org.eclipse.persistence.tools.workbench.uitools.app.PropertyValueModel;
import org.eclipse.persistence.tools.workbench.uitools.app.SimplePropertyValueModel;
import org.eclipse.persistence.tools.workbench.uitools.app.ValueModel;
import org.eclipse.persistence.tools.workbench.uitools.app.swing.CheckBoxModelAdapter;
import org.eclipse.persistence.tools.workbench.utility.ClassTools;


public class CheckBoxModelAdapterTests extends TestCase {
    private PropertyValueModel booleanHolder;
    private ButtonModel buttonModelAdapter;
    boolean eventFired;

    public static Test suite() {
        return new TestSuite(CheckBoxModelAdapterTests.class);
    }

    public CheckBoxModelAdapterTests(String name) {
        super(name);
    }

    protected void setUp() throws Exception {
        super.setUp();
        this.booleanHolder = new SimplePropertyValueModel(Boolean.TRUE);
        this.buttonModelAdapter = new CheckBoxModelAdapter(this.booleanHolder);
    }

    protected void tearDown() throws Exception {
        TestTools.clear(this);
        super.tearDown();
    }

    public void testSetSelected() throws Exception {
        this.eventFired = false;
        this.buttonModelAdapter.addChangeListener(new TestChangeListener() {
            public void stateChanged(ChangeEvent e) {
                CheckBoxModelAdapterTests.this.eventFired = true;
            }
        });
        this.buttonModelAdapter.setSelected(false);
        assertTrue(this.eventFired);
        assertEquals(Boolean.FALSE, this.booleanHolder.getValue());
    }

    public void testSetValue() throws Exception {
        this.eventFired = false;
        this.buttonModelAdapter.addChangeListener(new TestChangeListener() {
            public void stateChanged(ChangeEvent e) {
                CheckBoxModelAdapterTests.this.eventFired = true;
            }
        });
        assertTrue(this.buttonModelAdapter.isSelected());
        this.booleanHolder.setValue(Boolean.FALSE);
        assertTrue(this.eventFired);
        assertFalse(this.buttonModelAdapter.isSelected());
    }

    public void testDefaultValue() throws Exception {
        this.eventFired = false;
        this.buttonModelAdapter.addChangeListener(new TestChangeListener() {
            public void stateChanged(ChangeEvent e) {
                CheckBoxModelAdapterTests.this.eventFired = true;
            }
        });
        assertTrue(this.buttonModelAdapter.isSelected());
        this.booleanHolder.setValue(null);
        assertTrue(this.eventFired);
        assertFalse(this.buttonModelAdapter.isSelected());

        this.eventFired = false;
        this.booleanHolder.setValue(Boolean.FALSE);
        assertFalse(this.eventFired);
        assertFalse(this.buttonModelAdapter.isSelected());
    }

    public void testHasListeners() throws Exception {
        SimplePropertyValueModel localBooleanHolder = (SimplePropertyValueModel) this.booleanHolder;
        assertFalse(localBooleanHolder.hasAnyPropertyChangeListeners(ValueModel.VALUE));
        this.verifyHasNoListeners(this.buttonModelAdapter);

        ChangeListener listener = new TestChangeListener();
        this.buttonModelAdapter.addChangeListener(listener);
        assertTrue(localBooleanHolder.hasAnyPropertyChangeListeners(ValueModel.VALUE));
        this.verifyHasListeners(this.buttonModelAdapter);

        this.buttonModelAdapter.removeChangeListener(listener);
        assertFalse(localBooleanHolder.hasAnyPropertyChangeListeners(ValueModel.VALUE));
        this.verifyHasNoListeners(this.buttonModelAdapter);
    }

    private void verifyHasNoListeners(Object model) throws Exception {
        EventListenerList listenerList = (EventListenerList) ClassTools.getFieldValue(model, "listenerList");
        assertEquals(0, listenerList.getListenerList().length);
    }

    private void verifyHasListeners(Object model) throws Exception {
        EventListenerList listenerList = (EventListenerList) ClassTools.getFieldValue(model, "listenerList");
        assertFalse(listenerList.getListenerList().length == 0);
    }


private class TestChangeListener implements ChangeListener {
    public void stateChanged(ChangeEvent e) {
        fail("unexpected event");
    }
}

}