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.
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19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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22  */
23 /*
24  * @test
25  * @bug 8023213
26  * @summary Font/Text APIs should not crash/takes long time
27  *          if transform includes INIFINITY
28  * @run main DrawStringWithInfiniteXform
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 DrawStringWithInfiniteXform {
38     Timer timer;
39     boolean done;
40     class ScheduleTask extends TimerTask {
run()41         public void run() {
42             timer.cancel();
43             if (!done) {
44                 throw new
45                 RuntimeException("drawString with InfiniteXform transform takes long time");
46             }
47         }
48     }
DrawStringWithInfiniteXform()49     public DrawStringWithInfiniteXform() {
50         timer = new Timer();
51         timer.schedule(new ScheduleTask(), 10000);
52     }
53 
main(String [] args)54     public static void main(String [] args) {
55         DrawStringWithInfiniteXform test = new DrawStringWithInfiniteXform();
56         test.start();
57     }
58 
start()59     private void start() {
60         float[] vals = new float[6];
61         for (int i=0;i<6;i++) vals[i]=Float.POSITIVE_INFINITY;
62         AffineTransform nanTX = new AffineTransform(vals);
63 
64         BufferedImage bi = new BufferedImage(1,1,BufferedImage.TYPE_INT_RGB);
65         Graphics2D g2d = bi.createGraphics();
66 
67         g2d.rotate(Float.POSITIVE_INFINITY);
68         Font font = g2d.getFont();
69         Font xfiniteFont;
70         for (int i=0; i<2000; i++) {
71             xfiniteFont = font.deriveFont(Float.POSITIVE_INFINITY);
72             g2d.setFont(xfiniteFont);
73             g2d.drawString("abc", 20, 20);
74         }
75         done = true;
76         System.out.println("Test passed");
77     }
78 }
79