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 }