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