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.awt.Component;
  25 import java.awt.FlowLayout;
  26 import java.awt.Frame;
  27 import java.awt.Robot;
  28 
  29 import javax.swing.JButton;
  30 import javax.swing.SwingUtilities;
  31 
  32 /**
  33  * @test
  34  * @key headful
  35  * @bug 8071306
  36  * @author Sergey Bylokhov
  37  */
  38 public final class SetEnabledPerformance {
  39 
  40     private static Frame frame;
  41 
  42     private static void createAndShowGUI() {
  43         frame = new Frame();
  44         frame.setLayout(new FlowLayout(FlowLayout.CENTER, 25, 0));
  45         frame.setSize(600, 600);
  46         frame.setLocationRelativeTo(null);
  47         for (int i = 1; i < 10001; ++i) {
  48             frame.add(new JButton("Button " + i));
  49         }
  50         frame.setVisible(true);
  51     }
  52 
  53     public static void main(final String[] args) throws Exception {
  54         SwingUtilities.invokeAndWait(() -> createAndShowGUI());
  55         final Robot robot = new Robot();
  56         robot.waitForIdle();
  57         robot.mouseMove(frame.getX() + 15, frame.getY() + 300);
  58         robot.waitForIdle();
  59         SwingUtilities.invokeAndWait(() -> {
  60             long m = System.currentTimeMillis();
  61             for (final Component comp : frame.getComponents()) {
  62                 comp.setEnabled(false);
  63             }
  64             m = System.currentTimeMillis() - m;
  65             System.err.println("Disabled in " + m + " ms");
  66             frame.dispose();
  67             // we should be much faster, but leaves 1000 for the slow systems
  68             if (m > 1000) {
  69                 throw new RuntimeException("Too slow");
  70             }
  71         });
  72     }
  73 }