Application: gvSIG desktop

/**

 * gvSIG. Desktop Geographic Information System.

 *

 * Copyright (C) 2007-2013 gvSIG Association.

 *

 * 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 3

 * 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.

 *

 * For any additional information, do not hesitate to contact us

 * at info AT gvsig.com, or visit our website www.gvsig.com.

 */

/*

 * AUTHORS (In addition to CIT):

 * 2009 {}  {{Task}}

 */

package org.gvsig.fmap.mapcontext;

import java.awt.Rectangle;

import java.awt.geom.Rectangle2D;

import junit.framework.TestCase;

/**

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

 * 

 * @author 2009- <a href="cordinyana@gvsig.org">C?sar Ordi?ana</a> - gvSIG team

 */

public class ExtentHistoryTest extends TestCase {

        protected void setUp() throws Exception {

                super.setUp();

        }

        /**

         * Test method for

         * {@link org.gvsig.fmap.mapcontext.ExtentHistory#put(java.awt.geom.Rectangle2D)}

         * .

         */

        public void testPut() {

                ExtentHistory history = new ExtentHistory();

                Rectangle2D rectangle = new Rectangle2D.Double(1, 1, 2, 2);

                Rectangle2D rectangle2 = new Rectangle2D.Double(2, 2, 3, 3);

                Rectangle2D rectangle3 = new Rectangle2D.Double(3, 3, 4, 4);

                history.put(rectangle3);

                history.put(rectangle2);

                history.put(rectangle);

                assertEquals(rectangle, history.get());

                history = new ExtentHistory(2);

                history.put(rectangle);

                history.put(rectangle2);

                history.put(rectangle3);

                assertEquals(rectangle3, history.get());

        }

        /**

         * Test method for

         * {@link org.gvsig.fmap.mapcontext.ExtentHistory#hasPrevious()}.

         */

        public void testHasPrevious() {

                ExtentHistory history = new ExtentHistory();

                assertFalse(history.hasPrevious());

                Rectangle2D rectangle = new Rectangle2D.Double(1, 1, 2, 2);

                history.put(rectangle);

                assertTrue(history.hasPrevious());

                history.removePrev();

                assertFalse(history.hasPrevious());

        }

        /**

         * Test method for {@link org.gvsig.fmap.mapcontext.ExtentHistory#get()}.

         */

        public void testGet() {

                ExtentHistory history = new ExtentHistory();

                assertNull("The ExtentHistory has got an element without adding one",

                                history.get());

                Rectangle2D rectangle = new Rectangle2D.Double(1, 1, 2, 2);

                Rectangle2D rectangle2 = new Rectangle2D.Double(2, 2, 3, 3);

                history.put(rectangle);

                assertEquals(rectangle, history.get());

                history.put(rectangle2);

                assertEquals(rectangle2, history.get());

                history.removePrev();

                assertEquals(rectangle, history.get());

                history.removePrev();

                assertNull("The ExtentHistory has got an element, "

                                + "but all have been previously removed", history.get());

        }

        /**

         * Test method for

         * {@link org.gvsig.fmap.mapcontext.ExtentHistory#removePrev()}.

         */

        public void testRemovePrev() {

                ExtentHistory history = new ExtentHistory();

                assertNull(

                                "The ExtentHistory allows removing an element without adding "

                                                + "at least one", history.removePrev());

                Rectangle2D rectangle = new Rectangle2D.Double(1, 1, 2, 2);

                Rectangle2D rectangle2 = new Rectangle2D.Double(2, 2, 3, 3);

                history.put(rectangle);

                history.put(rectangle2);

                history.removePrev();

                assertEquals(rectangle, history.get());

                history.removePrev();

                assertNull("The ExtentHistory allows to remove the last element, "

                                + "but all have been previously removed", history.removePrev());

        }

}