/*
* Copyright (c) 2016 Vivid Solutions.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* and Eclipse Distribution License v. 1.0 which accompanies this distribution.
* The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
* and the Eclipse Distribution License is available at
*
* http://www.eclipse.org/org/documents/edl-v10.php.
*/
package org.locationtech.jts.geom;
import org.locationtech.jts.io.WKTReader;
import junit.framework.TestCase;
import junit.textui.TestRunner;
/**
* Test named predicate short-circuits
*/
/**
* @version 1.7
*/
public class PredicateShortCircuitTest extends TestCase {
WKTReader rdr = new WKTReader();
public static void main(String args[]) {
TestRunner.run(PredicateShortCircuitTest.class);
}
public PredicateShortCircuitTest(String name) { super(name); }
String[] polyInsidePoly =
{ "POLYGON (( 0 0, 100 0, 100 100, 0 100, 0 0 ))",
"POLYGON (( 10 10, 90 10, 90 90, 10 90, 10 10 ))" } ;
String[] polyPartiallyOverlapsPoly =
{ "POLYGON (( 10 10, 100 10, 100 100, 10 100, 10 10 ))",
"POLYGON (( 0 0, 90 0, 90 90, 0 90, 0 0 ))" } ;
String[] polyTouchesPolyAtPoint =
{ "POLYGON (( 10 10, 100 10, 100 100, 10 100, 10 10 ))",
"POLYGON (( 0 0, 10 0, 10 10, 0 10, 0 0 ))" } ;
String[] polyTouchesPolyAtLine =
{ "POLYGON (( 10 10, 100 10, 100 100, 10 100, 10 10 ))",
"POLYGON (( 10 0, 10 10, 20 10, 20 0, 10 0 ))" } ;
String[] polyInsideHoleInPoly =
{ "POLYGON (( 40 40, 40 60, 60 60, 60 40, 40 40 ))",
"POLYGON (( 0 0, 100 0, 100 100, 0 100, 0 0), ( 10 10, 90 10, 90 90, 10 90, 10 10))" } ;
public void testAll() throws Exception
{
doPredicates(polyInsidePoly);
doPredicates(polyPartiallyOverlapsPoly);
doPredicates(polyTouchesPolyAtPoint);
doPredicates(polyTouchesPolyAtLine);
doPredicates(polyInsideHoleInPoly);
}
public void doPredicates(String[] wkt)
throws Exception
{
Geometry a = rdr.read(wkt[0]);
Geometry b = rdr.read(wkt[1]);
doPredicates(a, b);
doPredicates(b ,a);
}
public void doPredicates(Geometry a, Geometry b) throws Exception
{
assertTrue( a.contains(b) == a.relate(b).isContains() );
assertTrue( a.crosses(b) == a.relate(b).isCrosses(a.getDimension(), b.getDimension()) );
assertTrue( a.disjoint(b) == a.relate(b).isDisjoint() );
assertTrue( a.equals(b) == a.relate(b).isEquals(a.getDimension(), b.getDimension()) );
assertTrue( a.intersects(b) == a.relate(b).isIntersects() );
assertTrue( a.overlaps(b) == a.relate(b).isOverlaps(a.getDimension(), b.getDimension()) );
assertTrue( a.touches(b) == a.relate(b).isTouches(a.getDimension(), b.getDimension()) );
assertTrue( a.within(b) == a.relate(b).isWithin() );
}
}