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/* gvSIG. Geographic Information System of the Valencian Government

 *

 * Copyright (C) 2007-2008 Infrastructures and Transports Department

 * of the Valencian Gobernment (CIT)

 * 

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 2

 * of the License, or (at your option) any later version.

 * 

 * This program 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 General Public License for more details.

 * 

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, 

 * MA  02110-1301, USA.

 * 

 */

/*

 * AUTHORS (In addition to CIT):

 * 2008 {DiSiD Technologies}   {{Test indexed iterator retrieval}}

 */

package org.gvsig.fmap.data.feature;

import java.util.Iterator;

import junit.framework.TestCase;

import org.gvsig.fmap.data.DALLocator;

import org.gvsig.fmap.data.DataManager;

import org.gvsig.fmap.data.DataStoreParameters;

import org.gvsig.fmap.data.exceptions.DataException;

import org.gvsig.fmap.data.exceptions.ReadException;

/**

 * Unit tests for the {@link AbstractFeatureCollection} class.

 * 

 * @author <a href="mailto:cordin@disid.com">C?sar Ordi?ana</a>

 */

public abstract class FeatureSetTestParent extends TestCase {

    protected void setUp() throws Exception {

        super.setUp();

        register();

    }

    protected void tearDown() throws Exception {

        super.tearDown();

    }

    /**

     * Test method for

     * {@link org.gvsig.fmap.data.feature.AbstractFeatureCollection#iterator(int)}

     * .

     * 

     * @throws Exception

     */

    public void testIteratorInt() throws Exception {

        FeatureSet featureSet = createFeatureCollection();

        testIteratorInt(featureSet);

        featureSet.dispose();

    }

    public void testIteratorInt(FeatureSet featureSet) throws DataException {

        if (featureSet.getSize() < 3) {

            fail("The Collection to create for the test must contain "

                    + "at least 3 values");

        }

        try {

            featureSet.iterator(-5);

            fail("Iterator index accepted with a value < 0");

        } catch (Exception ex) {

            // Good

        }

        try {

            featureSet.iterator(featureSet.getSize() + 2);

            fail("Iterator index accepted with a value > collection size");

        } catch (Exception ex) {

            // Good

        }

        long index = featureSet.getSize() - 3l;

        Iterator iter = featureSet.iterator(index);

        int iterations = 0;

        while (iter.hasNext()) {

            iter.next();

            iterations++;

        }

        assertEquals("The number of iterations remaining is not correct", 3,

                iterations);

        iter = featureSet.iterator(0);

        iterations = 0;

        while (iter.hasNext()) {

            iter.next();

            iterations++;

        }

        assertEquals("The number of iterations is not the "

                + "total size of the collection", featureSet.getSize(),

                iterations);

    }

    protected FeatureSet createFeatureCollection() throws Exception {

        FeatureStore store = createFeatureStore();

        FeatureType ft = store.getDefaultFeatureType();

        return createFeatureCollection(store, ft);

    }

    protected FeatureStore createFeatureStore() throws Exception {

        DataManager manager = DALLocator.getDataManager();

        return (FeatureStore) manager

                .createStore(createStoreParameters(manager));

    }

    protected abstract void register();

    protected abstract DataStoreParameters createStoreParameters(

            DataManager manager)

            throws Exception;

    /**

     * If this method is rewritten, the returned FeatureCollection must have at

     * least 3 values.

     */

    protected abstract FeatureSet createFeatureCollection(

            FeatureStore store, FeatureType ft) throws ReadException;

}