rectangletest.java

R-Tree Java implementations 结构清晰

//   RectangleTest.java
//   Java Spatial Index Library
//   Copyright (C) 2002 Infomatiq Limited
//  
//  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

package com.infomatiq.jsi.test;

import junit.framework.TestCase;

import com.infomatiq.jsi.Rectangle;

/**
 * RectangleTest
 * 
 * @author  [e-mail]
 * @version 1.0b2p1
 */
public class RectangleTest extends TestCase {
  public RectangleTest(String s) {
    super(s); 
  }
  
  public void testContains() {
    
  }
  
  public void testDistance() {
    
  }
  
  public void testIntersects() {
    Rectangle r0_0_0_0 = new Rectangle (0, 0, 0, 0);
    Rectangle r1_1_1_1 = new Rectangle (1, 1, 1, 1);
    Rectangle r2_2_6_6 = new Rectangle (2, 2, 6, 6);
    Rectangle r3_3_7_5 = new Rectangle (3, 3, 7, 5);
    Rectangle r3_3_5_7 = new Rectangle (3, 3, 5, 7);
    Rectangle r1_3_5_5 = new Rectangle (1, 3, 5, 5);
    Rectangle r3_1_5_5 = new Rectangle (3, 1, 5, 5);
   
    // A rectangle always intersects itself
    assertTrue(r0_0_0_0.intersects(r0_0_0_0));
    assertTrue(r2_2_6_6.intersects(r2_2_6_6));
    
    assertTrue(r0_0_0_0.intersects(r1_1_1_1) == false);
    assertTrue(r1_1_1_1.intersects(r0_0_0_0) == false);  
    
    // Rectangles that intersect only on the right-hand side
    assertTrue(r2_2_6_6.intersects(r3_3_7_5));
    assertTrue(r3_3_7_5.intersects(r2_2_6_6));
    
    // Rectangles that touch only on the right hand side
    //assertTrue(r
    
    // Rectangles that intersect only on the top side
    assertTrue(r2_2_6_6.intersects(r3_3_5_7));
    assertTrue(r3_3_5_7.intersects(r2_2_6_6));
    
    // Rectangles that intersect only on the left-hand side
    assertTrue(r2_2_6_6.intersects(r1_3_5_5));
    assertTrue(r1_3_5_5.intersects(r2_2_6_6));
    
    // Rectangles that intersect only on the bottom side
    assertTrue(r2_2_6_6.intersects(r3_1_5_5));
    assertTrue(r3_1_5_5.intersects(r2_2_6_6));
    
  }
}