Quelle RepaintOnAWTShutdown.java Sprache: JAVA

/*
* Copyright (c) 2020, 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.
*/

import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.Graphics;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;

import javax.swing.JFrame;
import javax.swing.JList;
import javax.swing.JPanel;
import javax.swing.JTable;
import javax.swing.JTree;
import javax.swing.SwingUtilities;

/**
* @test
* @bug 6847157
* @key headful
* @summary the java2D/AWT should die silently without exceptions
* @run main/othervm                           RepaintOnAWTShutdown
* @run main/othervm -Dsun.java2d.uiScale=1    RepaintOnAWTShutdown
* @run main/othervm -Dsun.java2d.uiScale=1.2  RepaintOnAWTShutdown
* @run main/othervm -Dsun.java2d.uiScale=1.25 RepaintOnAWTShutdown
* @run main/othervm -Dsun.java2d.uiScale=1.5  RepaintOnAWTShutdown
* @run main/othervm -Dsun.java2d.uiScale=1.75 RepaintOnAWTShutdown
* @run main/othervm -Dsun.java2d.uiScale=2    RepaintOnAWTShutdown
* @run main/othervm -Dsun.java2d.uiScale=2.25 RepaintOnAWTShutdown
* @run main/othervm -Dsun.java2d.uiScale=5    RepaintOnAWTShutdown
* @run main/othervm -Dsun.java2d.uiScale=10   RepaintOnAWTShutdown
*/
public final class RepaintOnAWTShutdown implements Runnable {

    private static final CountDownLatch go = new CountDownLatch(1);

    public static void main(String[] args) throws Exception {
        SwingUtilities.invokeLater(new RepaintOnAWTShutdown());
        go.await(5, TimeUnit.SECONDS);
        // The test will check that no exception is thrown when the jtreg will
        // kill this test at the moment the frame will be painted
    }

    public void run() {
        JFrame frame = new JFrame();
        JPanel panel = new MyPanel();
        panel.setPreferredSize(new Dimension(100, 100));
        panel.setLayout(new FlowLayout());
        panel.add(new JTree());
        panel.add(new JList(new String[]{"one", "two"}));
        panel.add(new JTable(new String[][]{{"one", "two"}},
                             new String[]{"one", "two"}));
        frame.add(panel);
        frame.pack();
        frame.setLocationRelativeTo(null);
        frame.setVisible(true);
        // the frame is not disposed intentionally
    }

    private final class MyPanel extends JPanel {

        public void paint(Graphics g) {
            super.paint(g);
            go.countDown();
        }
    }
}

quality87%

¤ Dauer der Verarbeitung: 0.1 Sekunden (vorverarbeitet) ¤

Wurzel

Suchen

Beweissystem der NASA

Beweissystem Isabelle

NIST Cobol Testsuite

Cephes Mathematical Library

Wiener Entwicklungsmethode

Haftungshinweis

Die Informationen auf dieser Webseite wurden nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit, noch Qualität der bereit gestellten Informationen zugesichert.

Bemerkung:

Die farbliche Syntaxdarstellung ist noch experimentell.