Quelle JButtonInGlassPane.java Sprache: JAVA

/*
* Copyright (c) 2009, 2018, 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.
*/

/*
  @test %W% %E%
  @key headful
  @bug 6779670
  @summary Tests if a LW components in the glass pane affects HW in the content pane
  @author anthony.petrov@...: area=awt.mixing
  @library ../regtesthelpers
  @build Util
  @run main JButtonInGlassPane
*/

/**
* JButtonInGlassPane.java
*
* summary:  Tests whether a LW menu correctly overlaps a HW button
*/

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import test.java.awt.regtesthelpers.Util;

public class JButtonInGlassPane
{
    static volatile boolean failed = false;

    private static void init()
    {
        JFrame frame = new JFrame("Glass Pane children test");
        frame.setLayout(null);

        final Button button = new Button("AWT Button");
        button.setBounds(100,100,100,100);
        frame.add(button);

        button.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                failed = true;
            }
        });

        frame.getGlassPane().setVisible(true);
        Container glassPane = (Container) frame.getGlassPane();
        glassPane.setLayout(null);

        final JButton jbutton = new JButton("JButton");
        jbutton.setBounds(50,50,100,100);
        glassPane.add(jbutton);

        jbutton.setVisible(false);

        frame.setSize(400, 400);
        frame.setLocationRelativeTo(null);
        frame.setVisible(true);

        Robot robot = Util.createRobot();
        robot.setAutoDelay(20);

        Util.waitForIdle(robot);

        jbutton.setVisible(true);
        Util.waitForIdle(robot);

        // Click the LW button - in the area that intersects with
        // the HW button.
        Point lLoc = jbutton.getLocationOnScreen();
        robot.mouseMove(lLoc.x + jbutton.getWidth() - 5, lLoc.y + jbutton.getHeight() - 5);

        robot.mousePress(InputEvent.BUTTON1_MASK);
        robot.mouseRelease(InputEvent.BUTTON1_MASK);
        Util.waitForIdle(robot);

        jbutton.setBounds(50,50,120,120);
        Util.waitForIdle(robot);

        // Now click on the 'added' area of the LW button that again
        // intersects with the HW.
        robot.mouseMove(lLoc.x + jbutton.getWidth() - 5, lLoc.y + jbutton.getHeight() - 5);

        robot.mousePress(InputEvent.BUTTON1_MASK);
        robot.mouseRelease(InputEvent.BUTTON1_MASK);
        Util.waitForIdle(robot);

        if (failed) {
            JButtonInGlassPane.fail("The LW button did not receive the click.");
        } else {
            JButtonInGlassPane.pass();
        }
    }//End  init()

    /*****************************************************
     * Standard Test Machinery Section
     * DO NOT modify anything in this section -- it's a
     * standard chunk of code which has all of the
     * synchronisation necessary for the test harness.
     * By keeping it the same in all tests, it is easier
     * to read and understand someone else's test, as
     * well as insuring that all tests behave correctly
     * with the test harness.
     * There is a section following this for test-
     * classes
     ******************************************************/
    private static boolean theTestPassed = false;
    private static boolean testGeneratedInterrupt = false;
    private static String failureMessage = "";

    private static Thread mainThread = null;

    private static int sleepTime = 300000;

    // Not sure about what happens if multiple of this test are
    //  instantiated in the same VM.  Being static (and using
    //  static vars), it aint gonna work.  Not worrying about
    //  it for now.
    public static void main( String args[] ) throws InterruptedException
    {
        mainThread = Thread.currentThread();
        try
        {
            init();
        }
        catch( TestPassedException e )
        {
            //The test passed, so just return from main and harness will
            // interepret this return as a pass
            return;
        }
        //At this point, neither test pass nor test fail has been
        // called -- either would have thrown an exception and ended the
        // test, so we know we have multiple threads.

        //Test involves other threads, so sleep and wait for them to
        // called pass() or fail()
        try
        {
            Thread.sleep( sleepTime );
            //Timed out, so fail the test
            throw new RuntimeException( "Timed out after " + sleepTime/1000 + " seconds" );
        }
        catch (InterruptedException e)
        {
            //The test harness may have interrupted the test.  If so, rethrow the exception
            // so that the harness gets it and deals with it.
            if( ! testGeneratedInterrupt ) throw e;

            //reset flag in case hit this code more than once for some reason (just safety)
            testGeneratedInterrupt = false;

            if ( theTestPassed == false )
            {
                throw new RuntimeException( failureMessage );
            }
        }

    }//main

    public static synchronized void setTimeoutTo( int seconds )
    {
        sleepTime = seconds * 1000;
    }

    public static synchronized void pass()
    {
        System.out.println( "The test passed." );
        System.out.println( "The test is over, hit Ctl-C to stop Java VM" );
        //first check if this is executing in main thread
        if ( mainThread == Thread.currentThread() )
        {
            //Still in the main thread, so set the flag just for kicks,
            // and throw a test passed exception which will be caught
            // and end the test.
            theTestPassed = true;
            throw new TestPassedException();
        }
        theTestPassed = true;
        testGeneratedInterrupt = true;
        mainThread.interrupt();
    }//pass()

    public static synchronized void fail()
    {
        //test writer didn't specify why test failed, so give generic
        fail( "it just plain failed! :-)" );
    }

    public static synchronized void fail( String whyFailed )
    {
        System.out.println( "The test failed: " + whyFailed );
        System.out.println( "The test is over, hit Ctl-C to stop Java VM" );
        //check if this called from main thread
        if ( mainThread == Thread.currentThread() )
        {
            //If main thread, fail now 'cause not sleeping
            throw new RuntimeException( whyFailed );
        }
        theTestPassed = false;
        testGeneratedInterrupt = true;
        failureMessage = whyFailed;
        mainThread.interrupt();
    }//fail()

}// class JButtonInGlassPane

//This exception is used to exit from any level of call nesting
// when it's determined that the test has passed, and immediately
// end the test.
class TestPassedException extends RuntimeException
{
}

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