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 import java.applet.Applet;
  25 import java.awt.AWTException;
  26 import java.awt.BufferCapabilities;
  27 import java.awt.BufferCapabilities.FlipContents;
  28 import java.awt.Frame;
  29 import java.awt.ImageCapabilities;
  30 import java.util.HashSet;
  31 import java.util.Set;
  32 
  33 import sun.awt.AWTAccessor;
  34 import sun.awt.AWTAccessor.ComponentAccessor;
  35 
  36 import static java.awt.BufferCapabilities.FlipContents.BACKGROUND;
  37 import static java.awt.BufferCapabilities.FlipContents.COPIED;
  38 import static java.awt.BufferCapabilities.FlipContents.PRIOR;
  39 import static java.awt.BufferCapabilities.FlipContents.UNDEFINED;
  40 
  41 /**
  42  * @test
  43  * @key headful
  44  * @bug 8130390 8134732
  45  * @summary Applet fails to launch on virtual desktop
  46  * @modules java.desktop/sun.awt
  47  * @author Semyon Sadetsky
  48  */
  49 public final class AppletFlipBuffer {
  50 
  51     static final ImageCapabilities[] ics = {new ImageCapabilities(true),
  52                                             new ImageCapabilities(false)};
  53     static final FlipContents[] cntx = {UNDEFINED, BACKGROUND, PRIOR, COPIED};
  54     static final Set<BufferCapabilities> bcs = new HashSet<>();
  55 
  56     static {
  57         for (final ImageCapabilities icFront : ics) {
  58             for (final ImageCapabilities icBack : ics) {
  59                 for (final FlipContents cnt : cntx) {
  60                     bcs.add(new BufferCapabilities(icFront, icBack, cnt));
  61                 }
  62             }
  63         }
  64     }
  65 
  66     public static void main(final String[] args) throws Exception {
  67         Applet applet = new Applet();
  68         Frame frame = new Frame();
  69         try {
  70             frame.setSize(10, 10);
  71             frame.add(applet);
  72             frame.setUndecorated(true);
  73             frame.setVisible(true);
  74             test(applet);
  75             System.out.println("ok");
  76         } finally {
  77             frame.dispose();
  78         }
  79     }
  80 
  81     private static void test(final Applet applet) {
  82         ComponentAccessor acc = AWTAccessor.getComponentAccessor();
  83         for (int i = 1; i < 10; ++i) {
  84             for (final BufferCapabilities caps : bcs) {
  85                 try {
  86                     acc.createBufferStrategy(applet, i, caps);
  87                 } catch (final AWTException ignored) {
  88                     // this kind of buffer strategy is not supported
  89                 }
  90             }
  91         }
  92     }
  93 }