/*
 * The JTS Topology Suite is a collection of Java classes that
 * implement the fundamental operations required to validate a given
 * geo-spatial data set to a known topological specification.
 *
 * Copyright (C) 2001 Vivid Solutions
 *
 * 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; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * 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.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * For more information, contact:
 *
 *     Vivid Solutions
 *     Suite #1A
 *     2328 Government Street
 *     Victoria BC  V8T 5G5
 *     Canada
 *
 *     (250)385-6040
 *     www.vividsolutions.com
 */
package com.revolsys.geometry.test.old.geom;

import com.revolsys.geometry.model.Geometry;
import com.revolsys.geometry.model.GeometryFactory;

import junit.framework.TestCase;
import junit.textui.TestRunner;

/**
 * @version 1.7
 */
public class AreaLengthTest extends TestCase {

  private static final double TOLERANCE = 1E-5;

  public static void main(final String args[]) {
    TestRunner.run(AreaLengthTest.class);
  }

  private final GeometryFactory geometryFactory = GeometryFactory.floating(0, 2);

  public AreaLengthTest(final String name) {
    super(name);
  }

  public void checkArea(final String wkt, final double expectedValue) throws Exception {
    final Geometry g = this.geometryFactory.geometry(wkt);
    assertEquals(expectedValue, g.getArea(), TOLERANCE);
  }

  public void checkLength(final String wkt, final double expectedValue) throws Exception {
    final Geometry g = this.geometryFactory.geometry(wkt);
    final double len = g.getLength();
    // System.out.println(len);
    assertEquals(expectedValue, len, TOLERANCE);
  }

  public void testArea() throws Exception {
    checkArea("MULTIPOINT((220 140),(180 280))", 0.0);
    checkArea("LINESTRING(220 140,180 280)", 0.0);
    checkArea("POLYGON((20 20, 40 20, 40 40, 20 40, 20 20))", 400.0);
    checkArea("POLYGON((20 20, 40 20, 40 40, 20 40, 20 20),(25 35, 35 35, 35 25, 25 25, 25 35))",
      300.0);
  }

  public void testLength() throws Exception {
    checkLength("MULTIPOINT((220 140),(180 280))", 0.0);
    checkLength("LINESTRING(220 140, 180 280)", 145.6021977);
    checkLength("LINESTRING(0 0, 100 100)", 141.4213562373095);
    checkLength("POLYGON ((20 20, 40 20, 40 40, 20 40, 20 20))", 80.0);
    checkLength(
      "POLYGON ((20 20, 40 20, 40 40, 20 40, 20 20), (25 35, 35 35, 35 25, 25 25, 25 35))", 120.0);
  }

}