NullCollectionValueModelTests.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;

import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;

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.CollectionValueModel;
import org.eclipse.persistence.tools.workbench.uitools.app.NullCollectionValueModel;


public class NullCollectionValueModelTests extends TestCase {
    private CollectionValueModel collectionHolder;

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

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

    protected void setUp() throws Exception {
        super.setUp();
        this.collectionHolder = NullCollectionValueModel.instance();
    }

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

    public void testAddItem() {
        boolean exCaught = false;
        try {
            this.collectionHolder.addItem("foo");
        } catch (UnsupportedOperationException ex) {
            exCaught = true;
        }
        assertTrue(exCaught);
    }

    public void testAddItems() {
        boolean exCaught = false;
        Collection items = new ArrayList();
        items.add("foo");
        items.add("bar");
        items.add("baz");
        try {
            this.collectionHolder.addItems(items);
        } catch (UnsupportedOperationException ex) {
            exCaught = true;
        }
        assertTrue(exCaught);
    }

    public void testRemoveItem() {
        boolean exCaught = false;
        try {
            this.collectionHolder.removeItem("foo");
        } catch (UnsupportedOperationException ex) {
            exCaught = true;
        }
        assertTrue(exCaught);
    }

    public void testRemoveItems() {
        boolean exCaught = false;
        Collection items = new ArrayList();
        items.add("foo");
        items.add("bar");
        items.add("baz");
        try {
            this.collectionHolder.removeItems(items);
        } catch (UnsupportedOperationException ex) {
            exCaught = true;
        }
        assertTrue(exCaught);
    }

    public void testSize() {
        assertEquals(0, this.collectionHolder.size());
    }

    public void testGetValue() {
        assertFalse(((Iterator) this.collectionHolder.getValue()).hasNext());
    }

}