108 lines
3.5 KiB
Java
108 lines
3.5 KiB
Java
/*
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* Copyright (c) 2007, 2011, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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@test
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@bug 6480024
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@library ../../../regtesthelpers
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@build Util Sysout AbstractTest
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@summary stack overflow on mouse wheel rotation
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@author Andrei Dmitriev: area=awt.event
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@run main InfiniteRecursion_1
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*/
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/**
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* InfiniteRecursion_1.java
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*
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* summary: put a JButton into JPanel and then put JPanel into JFrame.
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* Add MouseWheelListener to JFrame.
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* Add MouseListener to JPanel.
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* Rotating a wheel over the JButton would result in stack overflow.
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*/
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import java.awt.*;
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import java.awt.event.*;
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import javax.swing.*;
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import test.java.awt.regtesthelpers.Util;
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import test.java.awt.regtesthelpers.AbstractTest;
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import test.java.awt.regtesthelpers.Sysout;
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public class InfiniteRecursion_1 {
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final static Robot robot = Util.createRobot();
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final static int MOVE_COUNT = 5;
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//*2 for both rotation directions,
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//*2 as Java sends the wheel event to every for nested component in hierarchy under cursor
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final static int EXPECTED_COUNT = MOVE_COUNT * 2 * 2;
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static int actualEvents = 0;
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public static void main(String []s)
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{
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JFrame frame = new JFrame("A test frame");
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JPanel outputBox = new JPanel();
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JButton jButton = new JButton();
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frame.setSize(200, 200);
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frame.addMouseWheelListener(new MouseWheelListener() {
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public void mouseWheelMoved(MouseWheelEvent e)
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{
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System.out.println("Wheel moved on FRAME : "+e);
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actualEvents++;
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}
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});
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outputBox.addMouseListener(new MouseAdapter() {
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public void mousePressed(MouseEvent e)
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{
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System.out.println("MousePressed on OUTBOX : "+e);
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}
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});
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frame.add(outputBox);
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outputBox.add(jButton);
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frame.setVisible(true);
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Util.waitForIdle(robot);
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Util.pointOnComp(jButton, robot);
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Util.waitForIdle(robot);
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for (int i = 0; i < MOVE_COUNT; i++){
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robot.mouseWheel(1);
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robot.delay(10);
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}
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for (int i = 0; i < MOVE_COUNT; i++){
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robot.mouseWheel(-1);
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robot.delay(10);
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}
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Util.waitForIdle(robot);
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//Not fair to check for multiplier 4 as it's not specified actual number of WheelEvents
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//result in a single wheel rotation.
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if (actualEvents != EXPECTED_COUNT) {
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AbstractTest.fail("Expected events count: "+ EXPECTED_COUNT+" Actual events count: "+ actualEvents);
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}
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}
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}
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