88 lines
2.7 KiB
Java
88 lines
2.7 KiB
Java
/*
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* Copyright (c) 2007, 2008, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/* @test
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* @summary verify thread interruption doesn't affect font file reading.
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* @bug 6640532
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*/
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import java.awt.*;
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public class FontThread extends Thread {
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String fontName = "Dialog";
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static FontThread thread1;
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static FontThread thread2;
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static FontThread thread3;
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public static void main(String args[]) throws Exception {
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thread1 = new FontThread("SansSerif");
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thread2 = new FontThread("Serif");
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thread3 = new FontThread("Monospaced");
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thread1.dometrics(60); // load classes first
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thread1.start();
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thread2.start();
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thread3.start();
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InterruptThread ithread = new InterruptThread();
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ithread.setDaemon(true);
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ithread.start();
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thread1.join();
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thread2.join();
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thread3.join();
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}
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FontThread(String font) {
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super();
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this.fontName = font;
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}
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public void run() {
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System.out.println("started "+fontName); System.out.flush();
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dometrics(4000);
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System.out.println("done "+fontName); System.out.flush();
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}
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private void dometrics(int max) {
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Font f = new Font(fontName, Font.PLAIN, 12);
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FontMetrics fm = Toolkit.getDefaultToolkit().getFontMetrics(f);
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for (char i=0;i<max;i++) {
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if (f.canDisplay(i)) fm.charWidth(i);
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}
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}
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static class InterruptThread extends Thread {
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public void run() {
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while (true) {
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try {
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Thread.sleep(1);
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} catch (InterruptedException e) {
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}
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thread1.interrupt();
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thread2.interrupt();
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thread3.interrupt();
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}
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}
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}
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}
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