/*
* 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.
*
* Created on June 21, 2002, 12:24 PM
*/
package org.geotools.filter;
import java.math.BigInteger;
import java.util.Calendar;
import java.util.Date;
import junit.framework.TestCase;
import org.geotools.factory.CommonFactoryFinder;
import org.opengis.filter.FilterFactory;
import org.opengis.filter.expression.Literal;
import com.vividsolutions.jts.geom.GeometryFactory;
import com.vividsolutions.jts.geom.PrecisionModel;
/**
* Tests the literal expressions.
*
* @author James Macgill
*
*
* @source $URL$
*/
public class LiteralTest extends TestCase {
FilterFactory ff;
@Override
protected void setUp() throws Exception {
ff = CommonFactoryFinder.getFilterFactory(null);
}
public void testValidConstruction() throws Exception {
Literal a = new LiteralExpressionImpl(new Double(10));
Literal b = new LiteralExpressionImpl("Label");
Literal c = new LiteralExpressionImpl(new Integer(10));
GeometryFactory gf = new GeometryFactory(new PrecisionModel());
Literal d = new LiteralExpressionImpl(gf.createGeometryCollection(null));
}
public void testInvalidConstruction1() throws Exception {
try {
Literal a = new LiteralExpressionImpl(new Double(10));
Literal b = new LiteralExpressionImpl(a);
} catch (IllegalFilterException ife) {
return;
}
}
public void testConversion() throws Exception {
assertEquals("abc", ff.literal("abc").evaluate(null));
assertEquals(new Integer(12), ff.literal("12").evaluate(null, Integer.class));
assertEquals(new Double(12.0), ff.literal("12.0").evaluate(null, Double.class));
assertEquals(new Double(12.5), ff.literal("12.5").evaluate(null, Double.class));
assertEquals(new Long(Long.MAX_VALUE), ff.literal(Long.MAX_VALUE + "").evaluate(null, Long.class));
BigInteger doubleMaxLong = BigInteger.valueOf(Long.MAX_VALUE).multiply(BigInteger.valueOf(2));
assertEquals(doubleMaxLong, ff.literal(doubleMaxLong.toString()).evaluate(null, BigInteger.class));
}
public void testDateEquality() throws Exception {
Calendar cal = Calendar.getInstance();
cal.set(2012, 6, 15);
Date d1 = cal.getTime();
cal.set(2012, 8, 15);
Date d2 = cal.getTime();
Date d3 = cal.getTime();
Literal l1 = ff.literal(d1);
Literal l2 = ff.literal(d2);
assertFalse(l1.equals(l2));
Literal l3 = ff.literal(d3);
assertTrue(l2.equals(l3));
}
}