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8160767: [TEST_BUG] java/awt/Frame/MaximizedToIconified/MaximizedToIconified.java

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Reviewed-by: phh
Backport-of: b46b19cb58d8b43e57cd81a0588d4e18ad6afa9a
This commit is contained in:
Taizo Kurashige 2025-08-28 17:58:29 +00:00 committed by Paul Hohensee
parent 1d7e10189f
commit bb19ce35ff
1 changed files with 48 additions and 353 deletions
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401
jdk/test/java/awt/Frame/MaximizedToIconified/MaximizedToIconified.java
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2007, 2016, Oracle and/or its affiliates. All rights reserved.
* 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
@ -22,17 +22,16 @@
*/
/*
@test
@key headful
@bug 4977491
@summary State changes should always be reported as events
@author anthony.petrov@...: area=awt.toplevel
@library ../../regtesthelpers
@build Util
@run main MaximizedToIconified
*/
* @test
* @key headful
* @bug 4977491 8160767
* @summary State changes should always be reported as events
* @library ../../../../lib/testlibrary
* @build ExtendedRobot
* @run main MaximizedToIconified
*/
/**
/*
* MaximizedToIconified.java
*
* summary: Invoking setExtendedState(ICONIFIED) on a maximized
@ -40,395 +39,91 @@
* states in the newState of the state change event.
*/
import java.awt.*;
import java.awt.event.*;
import java.util.*;
import test.java.awt.regtesthelpers.Util;
import java.awt.Frame;
import java.awt.Toolkit;
import java.awt.event.WindowEvent;
import java.awt.event.WindowStateListener;
public class MaximizedToIconified
{
static volatile int lastFrameState = Frame.NORMAL;
static volatile boolean failed = false;
static volatile Toolkit myKit;
private static ExtendedRobot robot;
private static void checkState(Frame f, int state) {
f.setExtendedState(state);
Util.waitForIdle(null);
private static void checkState(Frame frame, int state) {
frame.setExtendedState(state);
robot.waitForIdle();
robot.delay(100);
System.out.println("state = " + state + "; getExtendedState() = " + f.getExtendedState());
System.out.println("state = " + state + "; getExtendedState() = " + frame.getExtendedState());
if (failed) {
MaximizedToIconified.fail("getOldState() != previous getNewState() in WINDOW_STATE_CHANGED event.");
frame.dispose();
throw new RuntimeException("getOldState() != previous getNewState() in WINDOW_STATE_CHANGED event.");
}
if (lastFrameState != f.getExtendedState()) {
MaximizedToIconified.fail("getExtendedState() != last getNewState() in WINDOW_STATE_CHANGED event.");
if (lastFrameState != frame.getExtendedState()) {
frame.dispose();
throw new RuntimeException("getExtendedState() != last getNewState() in WINDOW_STATE_CHANGED event.");
}
if (f.getExtendedState() != state) {
MaximizedToIconified.fail("getExtendedState() != " + state + " as expected.");
if (frame.getExtendedState() != state) {
frame.dispose();
throw new RuntimeException("getExtendedState() != " + state + " as expected.");
}
// Plain return means the check passed
}
private static void examineStates(Frame f_arg, int states[]) {
Frame f = f_arg;
private static void examineStates(int states[]) {
if (f == null) {
f = new Frame("test");
f.setSize(200, 200);
f.setVisible(true);
}
Frame frame = new Frame("test");
frame.setSize(200, 200);
frame.setVisible(true);
Util.waitForIdle(null);
robot.waitForIdle();
f.addWindowStateListener(new WindowStateListener() {
frame.addWindowStateListener(new WindowStateListener() {
public void windowStateChanged(WindowEvent e) {
System.out.println("last = " + lastFrameState + "; getOldState() = " + e.getOldState() + "; getNewState() = " + e.getNewState());
System.out.println("last = " + lastFrameState + "; getOldState() = " + e.getOldState() +
"; getNewState() = " + e.getNewState());
if (e.getOldState() == lastFrameState) {
lastFrameState = e.getNewState();
} else {
System.out.println("Wrong getOldState(): expected = " + lastFrameState + "; received = " + e.getOldState());
System.out.println("Wrong getOldState(): expected = " + lastFrameState + "; received = " +
e.getOldState());
failed = true;
}
}
});
for (int state: states) {
for (int state : states) {
if (myKit.isFrameStateSupported(state)) {
checkState(f, state);
checkState(frame, state);
} else {
System.out.println("Frame state = " + state + " is NOT supported by the native system. The state is skipped.");
}
}
if (f_arg == null) {
f.dispose();
if (frame != null) {
frame.dispose();
}
}
private static void init()
{
String[] instructions =
{
"This is an AUTOMATIC test, simply wait until it is done.",
"The result (passed or failed) will be shown in the",
"message window below."
};
Sysout.createDialog( );
Sysout.printInstructions( instructions );
private static void doTest() {
myKit = Toolkit.getDefaultToolkit();
// NOTE! Compound states (like MAXIMIZED_BOTH | ICONIFIED) CANNOT be used,
// because Toolkit.isFrameStateSupported() method reports these states
// as not supported. And such states will simply be skipped.
examineStates(null, new int[] {Frame.MAXIMIZED_BOTH, Frame.ICONIFIED, Frame.NORMAL});
examineStates(null, new int[] {Frame.ICONIFIED, Frame.MAXIMIZED_BOTH, Frame.NORMAL});
examineStates(new int[] {Frame.MAXIMIZED_BOTH, Frame.ICONIFIED, Frame.NORMAL});
examineStates(new int[] {Frame.ICONIFIED, Frame.MAXIMIZED_BOTH, Frame.NORMAL});
MaximizedToIconified.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()
public static void main( String args[] ) throws Exception
{
Sysout.println( "The test passed." );
Sysout.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()
robot = new ExtendedRobot();
doTest();
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 )
{
Sysout.println( "The test failed: " + whyFailed );
Sysout.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 MaximizedToIconified
//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
MaximizedToIconified.pass();
}
else if( tries == 20 )
{
//tried too many times without getting enough events so fail
MaximizedToIconified.fail();
}
}// eventDispatched()
}// NewClass class
*/
//************** End classes defined for the test *******************
/****************************************************
Standard Test Machinery
DO NOT modify anything below -- it's a standard
chunk of code whose purpose is to make user
interaction uniform, and thereby make it simpler
to read and understand someone else's test.
****************************************************/
/**
This is part of the standard test machinery.
It creates a dialog (with the instructions), and is the interface
for sending text messages to the user.
To print the instructions, send an array of strings to Sysout.createDialog
WithInstructions method. Put one line of instructions per array entry.
To display a message for the tester to see, simply call Sysout.println
with the string to be displayed.
This mimics System.out.println but works within the test harness as well
as standalone.
*/
class Sysout
{
private static TestDialog dialog;
public static void createDialogWithInstructions( String[] instructions )
{
dialog = new TestDialog( new Frame(), "Instructions" );
dialog.printInstructions( instructions );
dialog.setVisible(true);
println( "Any messages for the tester will display here." );
}
public static void createDialog( )
{
dialog = new TestDialog( new Frame(), "Instructions" );
String[] defInstr = { "Instructions will appear here. ", "" } ;
dialog.printInstructions( defInstr );
dialog.setVisible(true);
println( "Any messages for the tester will display here." );
}
public static void printInstructions( String[] instructions )
{
dialog.printInstructions( instructions );
}
public static void println( String messageIn )
{
dialog.displayMessage( messageIn );
System.out.println(messageIn);
}
}// Sysout class
/**
This is part of the standard test machinery. It provides a place for the
test instructions to be displayed, and a place for interactive messages
to the user to be displayed.
To have the test instructions displayed, see Sysout.
To have a message to the user be displayed, see Sysout.
Do not call anything in this dialog directly.
*/
class TestDialog extends Dialog
{
TextArea instructionsText;
TextArea messageText;
int maxStringLength = 80;
//DO NOT call this directly, go through Sysout
public TestDialog( Frame frame, String name )
{
super( frame, name );
int scrollBoth = TextArea.SCROLLBARS_BOTH;
instructionsText = new TextArea( "", 15, maxStringLength, scrollBoth );
add( "North", instructionsText );
messageText = new TextArea( "", 5, maxStringLength, scrollBoth );
add("Center", messageText);
pack();
setVisible(true);
}// TestDialog()
//DO NOT call this directly, go through Sysout
public void printInstructions( String[] instructions )
{
//Clear out any current instructions
instructionsText.setText( "" );
//Go down array of instruction strings
String printStr, remainingStr;
for( int i=0; i < instructions.length; i++ )
{
//chop up each into pieces maxSringLength long
remainingStr = instructions[ i ];
while( remainingStr.length() > 0 )
{
//if longer than max then chop off first max chars to print
if( remainingStr.length() >= maxStringLength )
{
//Try to chop on a word boundary
int posOfSpace = remainingStr.
lastIndexOf( ' ', maxStringLength - 1 );
if( posOfSpace <= 0 ) posOfSpace = maxStringLength - 1;
printStr = remainingStr.substring( 0, posOfSpace + 1 );
remainingStr = remainingStr.substring( posOfSpace + 1 );
}
//else just print
else
{
printStr = remainingStr;
remainingStr = "";
}
instructionsText.append( printStr + "\n" );
}// while
}// for
}//printInstructions()
//DO NOT call this directly, go through Sysout
public void displayMessage( String messageIn )
{
messageText.append( messageIn + "\n" );
System.out.println(messageIn);
}
}// TestDialog class