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8225122: Test AncestorResized.java fails when Windows desktop is scaled.
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Backport-of: 77757ba974239b558e29c7adc551dfa04b9baa48
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@mrserb
mrserb committed Jun 16, 2022
1 parent 8d35250 commit f799c6a
Showing 1 changed file with 28 additions and 201 deletions.
229 changes: 28 additions & 201 deletions test/jdk/java/awt/event/HierarchyEvent/AncestorResized/AncestorResized.java
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@@ -1,5 +1,5 @@
/*
* Copyright (c) 2007, 2018, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2007, 2021, 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
Expand All @@ -21,37 +21,30 @@
* 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
*/

import java.awt.Button;
import java.awt.Component;
import java.awt.FlowLayout;
import java.awt.Frame;
import java.awt.Insets;
import java.awt.Label;
import java.awt.Panel;
import java.awt.Rectangle;
import java.awt.Robot;
import java.awt.event.HierarchyBoundsListener;
import java.awt.event.HierarchyEvent;
import java.awt.event.InputEvent;

/**
* 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.
* @test
* @key headful
* @bug 6533330
* @summary ANCESTOR_RESIZED is not sent while resizing a frame. Regression
* caused by 6500477.
*/
public class AncestorResized {

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.
Expand All @@ -61,8 +54,7 @@ public void ancestorResized(HierarchyEvent ce) {
}
}

private static void init()
{
public static void main(String[] args) throws Exception {
Frame frame;
Panel panel;
Button button;
Expand All @@ -83,17 +75,17 @@ private static void init()
frame.setSize(300, 300);
frame.setVisible(true);

Robot robot = Util.createRobot();
robot.setAutoDelay(20);
Robot robot = new Robot();
robot.setAutoDelay(50);

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

Insets insets = frame.getInsets();
if (insets.right == 0 || insets.bottom == 0) {
frame.dispose();
// 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;
}

Expand All @@ -112,177 +104,12 @@ private static void init()
// ... and start resizing
robot.mousePress( InputEvent.BUTTON1_MASK );
robot.mouseMove(bounds.x + bounds.width + 20, bounds.y + bounds.height + 15);
Util.waitForIdle(robot);
robot.mouseRelease(InputEvent.BUTTON1_MASK);
robot.waitForIdle();
frame.dispose();

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;
throw new RuntimeException("No ANCESTOR_RESIZED events received.");
}
//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 *******************

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