/*
 * ModeShape (http://www.modeshape.org)
 * See the COPYRIGHT.txt file distributed with this work for information
 * regarding copyright ownership.  Some portions may be licensed
 * to Red Hat, Inc. under one or more contributor license agreements.
 * See the AUTHORS.txt file in the distribution for a full listing of 
 * individual contributors.
 *
 * Unless otherwise indicated, all code in ModeShape is licensed
 * to you under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 * 
 * ModeShape is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */
package org.modeshape.jcr;

import static org.hamcrest.core.Is.is;
import static org.junit.Assert.assertThat;
import java.util.NoSuchElementException;
import javax.jcr.NodeIterator;
import org.junit.Before;
import org.junit.Test;

public class JcrEmptyNodeIteratorTest {

    private NodeIterator iter;

    @Before
    public void beforeEach() {
        iter = JcrEmptyNodeIterator.INSTANCE;
    }

    @Test
    public void shouldNotHaveNext() {
        assertThat(iter.hasNext(), is(false));
    }

    @Test
    public void shouldHavePositionOfZero() {
        assertThat(iter.getPosition(), is(0L));
    }

    @Test
    public void shouldHaveSizeOfZero() {
        assertThat(iter.getSize(), is(0L));
    }

    @Test( expected = UnsupportedOperationException.class )
    public void shouldNotAllowRemove() {
        iter.remove();
    }

    @Test( expected = NoSuchElementException.class )
    public void shouldFailWhenNextIsCalled() {
        iter.next();
    }

}
