SpinnerModelAdapterTests.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.SpinnerModel;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;

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.SpinnerModelAdapter;
import org.eclipse.persistence.tools.workbench.utility.ClassTools;


public class SpinnerModelAdapterTests extends TestCase {
    private PropertyValueModel valueHolder;
    SpinnerModel spinnerModelAdapter;
    boolean eventFired;

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

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

    protected void setUp() throws Exception {
        super.setUp();
        this.valueHolder = new SimplePropertyValueModel(new Integer(0));
        this.spinnerModelAdapter = new SpinnerModelAdapter(this.valueHolder);
    }

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

    public void testSetValueSpinnerModel() throws Exception {
        this.eventFired = false;
        this.spinnerModelAdapter.addChangeListener(new TestChangeListener() {
            public void stateChanged(ChangeEvent e) {
                SpinnerModelAdapterTests.this.eventFired = true;
                assertEquals(SpinnerModelAdapterTests.this.spinnerModelAdapter, e.getSource());
            }
        });
        this.spinnerModelAdapter.setValue(new Integer(5));
        assertTrue(this.eventFired);
        assertEquals(new Integer(5), this.valueHolder.getValue());
    }

    public void testSetValueValueHolder() throws Exception {
        this.eventFired = false;
        this.spinnerModelAdapter.addChangeListener(new TestChangeListener() {
            public void stateChanged(ChangeEvent e) {
                SpinnerModelAdapterTests.this.eventFired = true;
                assertEquals(SpinnerModelAdapterTests.this.spinnerModelAdapter, e.getSource());
            }
        });
        assertEquals(new Integer(0), this.spinnerModelAdapter.getValue());
        this.valueHolder.setValue(new Integer(7));
        assertTrue(this.eventFired);
        assertEquals(new Integer(7), this.spinnerModelAdapter.getValue());
    }

    public void testHasListeners() throws Exception {
        SimplePropertyValueModel localValueHolder = (SimplePropertyValueModel) this.valueHolder;
        assertFalse(localValueHolder.hasAnyPropertyChangeListeners(ValueModel.VALUE));
        this.verifyHasNoListeners(this.spinnerModelAdapter);

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

        this.spinnerModelAdapter.removeChangeListener(listener);
        assertFalse(localValueHolder.hasAnyPropertyChangeListeners(ValueModel.VALUE));
        this.verifyHasNoListeners(this.spinnerModelAdapter);
    }

    private void verifyHasNoListeners(Object adapter) throws Exception {
        Object delegate = ClassTools.getFieldValue(adapter, "delegate");
        Object[] listeners = (Object[]) ClassTools.invokeMethod(delegate, "getChangeListeners");
        assertEquals(0, listeners.length);
    }

    private void verifyHasListeners(Object adapter) throws Exception {
        Object delegate = ClassTools.getFieldValue(adapter, "delegate");
        Object[] listeners = (Object[]) ClassTools.invokeMethod(delegate, "getChangeListeners");
        assertFalse(listeners.length == 0);
    }


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

}