/*
* GeoTools - The Open Source Java GIS Toolkit
* http://geotools.org
*
* (C) 2002-2008, Open Source Geospatial Foundation (OSGeo)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License.
*
* This library 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.
*/
package org.geotools.resources.coverage;
import java.awt.Rectangle;
import javax.imageio.ImageReadParam;
import junit.framework.Assert;
import org.junit.Test;
/**
* Tests {@link CoverageUtilities}.
*
* @source $URL: http://svn.osgeo.org/geotools/branches/2.6.x/modules/library/coverage/src/test/java/org/geotools/resources/coverage/CoverageUtilitiesTest.java $
*/
public final class CoverageUtilitiesTest {
/**
* Tests the checkEmptySourceRegion method.
*/
@Test
public void testCheckEmptySourceRegion() {
final ImageReadParam params = new ImageReadParam();
Rectangle sourceRegion = new Rectangle(300, 300, 700, 700);
params.setSourceRegion(sourceRegion);
Assert.assertEquals(sourceRegion.x, 300);
Assert.assertEquals(sourceRegion.y, 300);
Assert.assertEquals(sourceRegion.height, 700);
Assert.assertEquals(sourceRegion.width, 700);
final Rectangle intersecting = new Rectangle(400, 400, 900, 900);
boolean isEmpty = CoverageUtilities.checkEmptySourceRegion(params, intersecting);
Assert.assertFalse(isEmpty);
final Rectangle intersection = params.getSourceRegion();
Assert.assertEquals(intersection.x, 400);
Assert.assertEquals(intersection.y, 400);
Assert.assertEquals(intersection.height, 600);
Assert.assertEquals(intersection.width, 600);
final Rectangle intersecting2 = new Rectangle(0, 0, 300, 300);
isEmpty = CoverageUtilities.checkEmptySourceRegion(params, intersecting2);
Assert.assertTrue(isEmpty);
}
}