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8284521: Write an automated regression test for RFE 4371575
Backport-of: 447c2d13d055fbe640ec4714a961543a03a4f2ad
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GoeLin committed Jun 22, 2022
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/*
* Copyright (c) 2001, 2022, 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.Point;
import java.awt.Robot;
import java.awt.event.InputEvent;
import java.util.Arrays;
import java.util.List;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicReference;
import java.util.stream.Collectors;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.SwingUtilities;
import javax.swing.UIManager;
import javax.swing.UIManager.LookAndFeelInfo;
import javax.swing.UnsupportedLookAndFeelException;

import static javax.swing.UIManager.getInstalledLookAndFeels;

/*
* @test
* @key headful
* @bug 4371575
* @summary This testcase tests RFE-4371575 request, verifies that
* JComponent.setRequestFocusEnabled() works as expected
* @run main JComponentSetRequestFocusEnabledTest
*/
public class JComponentSetRequestFocusEnabledTest {

private static JButton button;
private static Robot robot;
private static JFrame frame;

public static void main(String[] args) throws Exception {
robot = new Robot();
robot.setAutoWaitForIdle(true);
robot.setAutoDelay(200);
List<String> lafs = Arrays.stream(getInstalledLookAndFeels())
.map(LookAndFeelInfo::getClassName)
.collect(Collectors.toList());
for (final String laf : lafs) {
try {
AtomicBoolean lafSetSuccess = new AtomicBoolean(false);
SwingUtilities.invokeAndWait(() -> {
lafSetSuccess.set(setLookAndFeel(laf));
if (lafSetSuccess.get()) {
createUI();
}
});
if (!lafSetSuccess.get()) {
continue;
}
robot.waitForIdle();

mouseClick(button);

if (!button.isFocusOwner()) {
System.out.println("Test Passed in " + laf);
} else {
throw new RuntimeException(
"Test Failed, button has focus in " + laf);
}
} finally {
SwingUtilities.invokeAndWait(
JComponentSetRequestFocusEnabledTest::disposeFrame);
}
}
}

private static void mouseClick(JButton jButton) throws Exception {
final AtomicReference<Point> loc = new AtomicReference<>();
SwingUtilities
.invokeAndWait(() -> loc.set(jButton.getLocationOnScreen()));
final Point location = loc.get();
robot.mouseMove(location.x + 10, location.y + 10);
robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
}

public static void createUI() {
frame = new JFrame();
JPanel panel = new JPanel();
panel.add(new JButton("Focused"));
panel.add(button = new JButton("Unfocusable"));

button.setRequestFocusEnabled(false);

frame.setContentPane(panel);
frame.setSize(150, 100);
frame.setLocationRelativeTo(null);
frame.pack();
frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
frame.setVisible(true);
}

private static boolean setLookAndFeel(String lafName) {
try {
UIManager.setLookAndFeel(lafName);
} catch (UnsupportedLookAndFeelException ignored) {
System.out.println("Ignoring Unsupported L&F: " + lafName);
return false;
} catch (ClassNotFoundException | InstantiationException
| IllegalAccessException e) {
throw new RuntimeException(e);
}
return true;
}

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

}

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