1 /*
   2  * Copyright (c) 2015, 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  * @test
  25  * @bug 8023213
  26  * @summary Font/Text APIs should not crash/takes long time 
  27  *          if transform includes NaN
  28  * @run main NaNTransform
  29  */
  30 import java.awt.*;
  31 import java.awt.font.*;
  32 import java.awt.geom.*;
  33 import java.awt.image.*;
  34 import java.util.Timer;
  35 import java.util.TimerTask;
  36 
  37 public class NaNTransform {
  38     Timer timer;
  39     boolean done;
  40     class ScheduleTask extends TimerTask {
  41         public void run() {
  42             timer.cancel();
  43             if (!done) {
  44                 throw new
  45                 RuntimeException("drawString with NaN transform takes long time");
  46             }
  47         }
  48     }
  49     public NaNTransform() {
  50         timer = new Timer();
  51         timer.schedule(new ScheduleTask(), 10000);
  52     }
  53 
  54     public static void main(String [] args) {
  55         NaNTransform test = new NaNTransform();
  56         test.start();
  57     }
  58 
  59     private void start() {
  60         float NaN=0f/0f;
  61         float[] vals = new float[6];
  62         for (int i=0;i<6;i++) vals[i]=NaN;
  63         AffineTransform nanTX = new AffineTransform(vals);
  64 
  65         BufferedImage bi = new BufferedImage(1,1,BufferedImage.TYPE_INT_RGB);
  66         Graphics2D g2d = bi.createGraphics();
  67 
  68         g2d.rotate(NaN);
  69         Font font = g2d.getFont();
  70         Font nanFont;
  71         for (int i=0; i<2000; i++) {
  72             nanFont = font.deriveFont(Float.NaN);
  73             g2d.setFont(nanFont);
  74             g2d.drawString("abc", 20, 20);
  75         }
  76         done = true;
  77         System.out.println("Test passed");
  78     }
  79 }