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