| /* |
| * Copyright (c) 2007, 2008, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code 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 General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| |
| /* @test |
| * @summary verify thread interruption doesn't affect font file reading. |
| * @bug 6640532 |
| */ |
| |
| import java.awt.*; |
| |
| public class FontThread extends Thread { |
| |
| String fontName = "Dialog"; |
| static FontThread thread1; |
| static FontThread thread2; |
| static FontThread thread3; |
| |
| public static void main(String args[]) throws Exception { |
| thread1 = new FontThread("SansSerif"); |
| thread2 = new FontThread("Serif"); |
| thread3 = new FontThread("Monospaced"); |
| thread1.dometrics(60); // load classes first |
| thread1.start(); |
| thread2.start(); |
| thread3.start(); |
| InterruptThread ithread = new InterruptThread(); |
| ithread.setDaemon(true); |
| ithread.start(); |
| thread1.join(); |
| thread2.join(); |
| thread3.join(); |
| } |
| |
| FontThread(String font) { |
| super(); |
| this.fontName = font; |
| } |
| |
| public void run() { |
| System.out.println("started "+fontName); System.out.flush(); |
| dometrics(4000); |
| System.out.println("done "+fontName); System.out.flush(); |
| } |
| |
| private void dometrics(int max) { |
| Font f = new Font(fontName, Font.PLAIN, 12); |
| FontMetrics fm = Toolkit.getDefaultToolkit().getFontMetrics(f); |
| for (char i=0;i<max;i++) { |
| if (f.canDisplay(i)) fm.charWidth(i); |
| } |
| } |
| |
| static class InterruptThread extends Thread { |
| public void run() { |
| while (true) { |
| try { |
| Thread.sleep(1); |
| } catch (InterruptedException e) { |
| } |
| thread1.interrupt(); |
| thread2.interrupt(); |
| thread3.interrupt(); |
| } |
| } |
| } |
| } |