1 /*
   2  * Copyright (c) 2011, 2013, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /*
  25  * @test
  26  * @summary Test to insure a crash case does not regress.
  27  * @summary com.apple.junit.java.graphics.Polygons
  28  */
  29 
  30 import junit.framework.*;
  31 import java.awt.*;
  32 
  33 public class HexagonTest01 extends TestCase {
  34 
  35     static final int kTimeOutMillis = 400;
  36 
  37     class Hexagon extends Polygon {
  38         private void init(final int x, final int y, final int size) {
  39             for (double theta = 0; theta <= 2 * Math.PI; theta += Math.PI/3) {
  40                 int px = (int) (x + size * Math.cos(theta));
  41                 int py = (int) (y + size * Math.sin(theta));
  42                 addPoint(px, py);
  43             }
  44         }
  45 
  46         public Hexagon(final int x, final int y, final int size) {
  47             super();
  48             init(x,y,size);
  49         }
  50 
  51         public Hexagon(final Point origin, final int size) {
  52             super();
  53             init((int) origin.getX(), (int) origin.getY(), size);
  54         }
  55     }
  56 
  57 
  58     class HexGrid {
  59         Hexagon[][] grid;
  60 
  61         public HexGrid(int width, int height, int radius) {
  62             grid = new Hexagon[width][height];
  63             double apothem = radius * Math.sqrt(3) / 2;
  64 
  65             for (int xi = 0; xi < width; xi++) {
  66                 for (int yi = 0; yi < height; yi++) {
  67                     double xoff = (xi * (3 * radius));
  68                     double yoff = (yi * (apothem));
  69                     if (yi % 2 == 1) {
  70                         xoff += 1.5 * radius;
  71                     }
  72                     grid[xi][yi] = new Hexagon((int)xoff , (int) yoff, radius);
  73                 }
  74             }
  75         }
  76 
  77         public void draw( Graphics2D g) {
  78             for (int i = 0; i < grid.length; i++) {
  79                 for (int j = 0; j < grid[i].length; j++) {
  80                     g.setColor( new Color( 255, (i * 20)  % 255, (j * 15) % 255) );
  81                     g.fill( grid[i][j]);
  82                     g.setColor(Color.black);
  83                     g.draw( grid[i][j]);
  84                 }
  85             }
  86         }
  87     }
  88 
  89     class DisplayFrame extends Frame {
  90         public DisplayFrame() {
  91             super("Test");
  92             setSize(700, 600);
  93         }
  94 
  95         public void paint( Graphics g) {
  96             Graphics2D
  97             g2d = (Graphics2D) g;
  98             g.setColor(Color.white);
  99             g.fillRect(0, 0, getWidth(), getHeight());
 100             g.translate(75, 75);
 101             g2d.setColor(Color.black);
 102             g2d.setStroke(stroke);
 103             grid.draw(g2d); }
 104     }
 105 
 106     final BasicStroke stroke = new BasicStroke( 1.2f);
 107     final HexGrid grid = new HexGrid(4,12,50);
 108     private DisplayFrame testFrame;
 109 
 110     public void testThatIDontCrash() throws Exception {
 111         testFrame = new DisplayFrame();
 112         testFrame.setVisible(true);
 113         Thread.sleep(kTimeOutMillis);
 114         testFrame.dispose();
 115     }
 116 
 117 
 118     // boilerplate below
 119     public static Test suite() {
 120         return new TestSuite(HexagonTest01.class);
 121     }
 122 
 123     public static void main (String[] args) throws RuntimeException {
 124         TestResult tr = junit.textui.TestRunner.run(suite());
 125         if ((tr.errorCount() != 0) || (tr.failureCount() != 0)) {
 126             throw new RuntimeException("### FAILED: unexpected JUnit errors or failures.");
 127         }
 128     }
 129 }