test/jdk/java/awt/event/HierarchyEvent/AncestorResized/AncestorResized.java - platform/libcore - Git at Google

 /*
  * Copyright (c) 2007, 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
   @key headful
   @bug 6533330
   @summary ANCESTOR_RESIZED is not sent while resizing a frame. Regression caused by 6500477.
   @author anthony.petrov: area=awt.toplevel
   @library ../../../regtesthelpers
   @build Util
   @run main AncestorResized
 */


 /**
  * AncestorResized.java
  *
  * summary:  After fixing the 6500477, the ANCESTOR_RESIZED event stoped
  *           firing while resizing a frame. This was a regression.
  *           The test checks whether the event starts dispatching as it
  *           was before fixing the 6500477.
  */

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


 public class AncestorResized
 {
     public static volatile int ancestorResizedCounter = 0;


     static class HierarchyBoundsListenerImpl implements HierarchyBoundsListener {
         public void ancestorMoved(HierarchyEvent ce) {
             // ANCESTOR_MOVED seems to work OK.
         }
         public void ancestorResized(HierarchyEvent ce) {
             ancestorResizedCounter++;
         }
     }

     private static void init()
     {
         Frame frame;
         Panel panel;
         Button button;
         Label label;
         Component[] components;

         frame = new Frame("Test Frame");
         frame.setLayout(new FlowLayout());

         panel = new Panel();
         button = new Button("Button");
         label = new Label("Label");

         components = new Component[] {
             panel, button, label
         };

         frame.setSize(300, 300);
         frame.setVisible(true);

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

         // To ensure the window is shown and packed
         Util.waitForIdle(robot);

         Insets insets = frame.getInsets();
         if (insets.right == 0 || insets.bottom == 0) {
             // Because we want to catch the "size-grip" of the frame.
             System.out.println("The test environment must have non-zero right & bottom insets! The current insets are: " + insets);
             pass();
             return;
         }

         // Let's move the mouse pointer to the bottom-right coner of the frame (the "size-grip")
         Rectangle bounds = frame.getBounds();

         robot.mouseMove(bounds.x + bounds.width - 1, bounds.y + bounds.height - 1);

         // From now on the ANCESTOR_RESIZED events get counted.
         HierarchyBoundsListener listener = new HierarchyBoundsListenerImpl();
         for (int i = 0; i < components.length; i++) {
             components[i].addHierarchyBoundsListener(listener);
             frame.add(components[i]);
         }

         // ... and start resizing
         robot.mousePress( InputEvent.BUTTON1_MASK );
         robot.mouseMove(bounds.x + bounds.width + 20, bounds.y + bounds.height + 15);
         Util.waitForIdle(robot);

         if (ancestorResizedCounter == 0) {
             robot.mouseRelease( InputEvent.BUTTON1_MASK );
             AncestorResized.fail("No ANCESTOR_RESIZED events received.");
             return;
         }

         robot.mouseRelease( InputEvent.BUTTON1_MASK );

         AncestorResized.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 AncestorResized

 //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
 {
 }

 //*********** End Standard Test Machinery Section **********


 //************ Begin classes defined for the test ****************

 // if want to make listeners, here is the recommended place for them, then instantiate
 //  them in init()

 /* Example of a class which may be written as part of a test
 class NewClass implements anInterface
  {
    static int newVar = 0;

    public void eventDispatched(AWTEvent e)
     {
       //Counting events to see if we get enough
       eventCount++;

       if( eventCount == 20 )
        {
          //got enough events, so pass

          AncestorResized.pass();
        }
       else if( tries == 20 )
        {
          //tried too many times without getting enough events so fail

          AncestorResized.fail();
        }

     }// eventDispatched()

  }// NewClass class

 */


 //************** End classes defined for the test *******************
	/*
	* Copyright (c) 2007, 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
	@key headful
	@bug 6533330
	@summary ANCESTOR_RESIZED is not sent while resizing a frame. Regression caused by 6500477.
	@author anthony.petrov: area=awt.toplevel
	@library ../../../regtesthelpers
	@build Util
	@run main AncestorResized
	*/


	/**
	* AncestorResized.java
	*
	* summary: After fixing the 6500477, the ANCESTOR_RESIZED event stoped
	* firing while resizing a frame. This was a regression.
	* The test checks whether the event starts dispatching as it
	* was before fixing the 6500477.
	*/

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


	public class AncestorResized
	{
	public static volatile int ancestorResizedCounter = 0;


	static class HierarchyBoundsListenerImpl implements HierarchyBoundsListener {
	public void ancestorMoved(HierarchyEvent ce) {
	// ANCESTOR_MOVED seems to work OK.
	}
	public void ancestorResized(HierarchyEvent ce) {
	ancestorResizedCounter++;
	}
	}

	private static void init()
	{
	Frame frame;
	Panel panel;
	Button button;
	Label label;
	Component[] components;

	frame = new Frame("Test Frame");
	frame.setLayout(new FlowLayout());

	panel = new Panel();
	button = new Button("Button");
	label = new Label("Label");

	components = new Component[] {
	panel, button, label
	};

	frame.setSize(300, 300);
	frame.setVisible(true);

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

	// To ensure the window is shown and packed
	Util.waitForIdle(robot);

	Insets insets = frame.getInsets();
	if (insets.right == 0 \|\| insets.bottom == 0) {
	// Because we want to catch the "size-grip" of the frame.
	System.out.println("The test environment must have non-zero right & bottom insets! The current insets are: " + insets);
	pass();
	return;
	}

	// Let's move the mouse pointer to the bottom-right coner of the frame (the "size-grip")
	Rectangle bounds = frame.getBounds();

	robot.mouseMove(bounds.x + bounds.width - 1, bounds.y + bounds.height - 1);

	// From now on the ANCESTOR_RESIZED events get counted.
	HierarchyBoundsListener listener = new HierarchyBoundsListenerImpl();
	for (int i = 0; i < components.length; i++) {
	components[i].addHierarchyBoundsListener(listener);
	frame.add(components[i]);
	}

	// ... and start resizing
	robot.mousePress( InputEvent.BUTTON1_MASK );
	robot.mouseMove(bounds.x + bounds.width + 20, bounds.y + bounds.height + 15);
	Util.waitForIdle(robot);

	if (ancestorResizedCounter == 0) {
	robot.mouseRelease( InputEvent.BUTTON1_MASK );
	AncestorResized.fail("No ANCESTOR_RESIZED events received.");
	return;
	}

	robot.mouseRelease( InputEvent.BUTTON1_MASK );

	AncestorResized.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 AncestorResized

	//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
	{
	}

	//********* End Standard Test Machinery Section ********


	//********** Begin classes defined for the test **************

	// if want to make listeners, here is the recommended place for them, then instantiate
	// them in init()

	/* Example of a class which may be written as part of a test
	class NewClass implements anInterface
	{
	static int newVar = 0;

	public void eventDispatched(AWTEvent e)
	{
	//Counting events to see if we get enough
	eventCount++;

	if( eventCount == 20 )
	{
	//got enough events, so pass

	AncestorResized.pass();
	}
	else if( tries == 20 )
	{
	//tried too many times without getting enough events so fail

	AncestorResized.fail();
	}

	}// eventDispatched()

	}// NewClass class

	*/


	//************ End classes defined for the test *****************