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8316947: Write a test to check textArea triggers MouseEntered/MouseEx…
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…ited events properly

Backport-of: 00ef9f9c322dde236256953272d6906f6151635d
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Andrew Lu committed Jan 26, 2024
1 parent 2adc2b4 commit e2cabfe
Showing 1 changed file with 132 additions and 0 deletions.
132 changes: 132 additions & 0 deletions test/jdk/java/awt/event/MouseEvent/MouseEnterExitTest.java
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/*
* Copyright (c) 2007, 2023, 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.
*/

import java.awt.Dimension;
import java.awt.EventQueue;
import java.awt.FlowLayout;
import java.awt.Frame;
import java.awt.List;
import java.awt.Point;
import java.awt.Robot;
import java.awt.TextArea;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;

/*
* @test
* @key headful
* @bug 4454304
* @summary On Solaris, TextArea triggers MouseEntered when the mouse is inside the component
* @run main MouseEnterExitTest
*/
public class MouseEnterExitTest {

private static Frame frame;

private volatile static boolean entered = false;
private volatile static boolean exited = false;
private volatile static boolean passed = true;

private volatile static Point compAt;
private volatile static Dimension compSize;

private static final MouseListener mouseListener = new MouseAdapter() {
@Override
public void mouseEntered(MouseEvent e) {
System.out.println(
"MouseEntered component " + e.getSource().getClass().getName());
if (entered) {
passed = false;
}
entered = true;
exited = false;
}

@Override
public void mouseExited(MouseEvent e) {
System.out.println(
"MouseExited component " + e.getSource().getClass().getName());
if (exited) {
passed = false;
}
entered = false;
exited = true;
}
};

private static void initializeGUI() {
frame = new Frame("MouseEnterExitTest");
frame.setLayout(new FlowLayout());
List list = new List(4);
for (int i = 0; i < 10; i++) {
list.add("item " + i);
}
list.addMouseListener(mouseListener);
frame.add(list);

TextArea textArea = new TextArea("TextArea", 10, 20);
textArea.addMouseListener(mouseListener);
frame.add(textArea);

frame.pack();
frame.setLocationRelativeTo(null);
frame.setVisible(true);
}

public static void main(String[] args) throws Exception {
try {
Robot robot = new Robot();
robot.setAutoDelay(100);
robot.setAutoWaitForIdle(true);

EventQueue.invokeAndWait(MouseEnterExitTest::initializeGUI);
robot.waitForIdle();

EventQueue.invokeAndWait(() -> {
compAt = frame.getLocationOnScreen();
compSize = frame.getSize();
});
compAt.y += compSize.getHeight() / 2;
int xr = compAt.x + compSize.width + 1;
for (int i = compAt.x - 5; (i < xr) && passed; i++) {
robot.mouseMove(i, compAt.y);
}

if (!passed || entered || !exited) {
throw new RuntimeException(
"MouseEnterExitTest FAILED. MouseEntered/MouseExited "
+ "not properly triggered. Please see the log");
}
System.out.println("Test PASSED");
} finally {
EventQueue.invokeAndWait(MouseEnterExitTest::disposeFrame);
}
}

private static void disposeFrame() {
if (frame != null) {
frame.dispose();
}
}
}

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