223 lines
8.2 KiB
Java
223 lines
8.2 KiB
Java
/*
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* Copyright (c) 2002, 2022, 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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import java.awt.Robot;
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import java.awt.event.FocusAdapter;
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import java.awt.event.FocusEvent;
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import java.awt.event.KeyEvent;
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import java.util.Arrays;
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import java.util.List;
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import java.util.concurrent.CountDownLatch;
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import java.util.concurrent.TimeUnit;
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import java.util.concurrent.atomic.AtomicBoolean;
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import java.util.concurrent.atomic.AtomicReference;
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import java.util.stream.Collectors;
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import javax.swing.JFrame;
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import javax.swing.JList;
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import javax.swing.JMenu;
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import javax.swing.JMenuBar;
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import javax.swing.JMenuItem;
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import javax.swing.SwingUtilities;
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import javax.swing.UIManager;
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import javax.swing.UIManager.LookAndFeelInfo;
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import javax.swing.UnsupportedLookAndFeelException;
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import javax.swing.event.MenuEvent;
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import javax.swing.event.MenuListener;
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import static javax.swing.UIManager.getInstalledLookAndFeels;
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/*
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* @test
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* @key headful
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* @bug 4618767 8292062
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* @summary This test confirms that typing a letter while a JList has focus now makes the selection
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* not jump to the item whose text starts with that letter if that typed letter is accompanied
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* by modifier keys such as ALT or CTRL(eg: ALT+F).
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* @run main JListSelectedElementTest
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*/
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public class JListSelectedElementTest {
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private static final int FILE_MENU = KeyEvent.VK_F;
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private static JFrame frame;
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private static JList<String> list;
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private static Robot robot;
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private static CountDownLatch listGainedFocusLatch;
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private static CountDownLatch menuSelectedEventLatch;
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public static void main(String[] args) throws Exception {
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runTest();
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}
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public static void runTest() throws Exception {
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robot = new Robot();
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robot.setAutoWaitForIdle(true);
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robot.setAutoDelay(200);
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final boolean isMac = System.getProperty("os.name")
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.toLowerCase()
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.contains("os x");
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List<String> lafs = Arrays.stream(getInstalledLookAndFeels())
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.map(LookAndFeelInfo::getClassName)
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.collect(Collectors.toList());
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for (final String laf : lafs) {
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listGainedFocusLatch = new CountDownLatch(1);
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menuSelectedEventLatch = new CountDownLatch(1);
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try {
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AtomicBoolean lafSetSuccess = new AtomicBoolean(false);
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SwingUtilities.invokeAndWait(() -> {
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lafSetSuccess.set(setLookAndFeel(laf));
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if (lafSetSuccess.get()) {
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createUI();
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}
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});
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if (!lafSetSuccess.get()) {
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continue;
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}
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robot.waitForIdle();
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// Wait until the list gains focus.
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if (!listGainedFocusLatch.await(3, TimeUnit.SECONDS)) {
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throw new RuntimeException("Waited too long, but can't gain focus for list");
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}
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// Select element named as 'bill'
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hitKeys(KeyEvent.VK_B);
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// Assertion check to verify that the selected node is 'bill'
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AtomicReference<String> elementSel = new AtomicReference<>();
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SwingUtilities.invokeAndWait(() -> elementSel.set(list.getSelectedValue()));
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final String elementSelBefore = elementSel.get();
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if (!"bill".equals(elementSelBefore)) {
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throw new RuntimeException("Test failed for " + laf
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+ " as the list element selected: " + elementSel
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+ " is not the expected one 'bill'"
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);
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}
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// Now operate Menu using Mnemonics, different key combinations for different OSes.
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// For most OSes it's ALT+F; on macOS it's ALT+CNTRL+F.
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if (isMac) {
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hitKeys(KeyEvent.VK_ALT, KeyEvent.VK_CONTROL, FILE_MENU);
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} else {
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hitKeys(KeyEvent.VK_ALT, FILE_MENU);
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}
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// Wait until the menu got selected.
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if (!menuSelectedEventLatch.await(3, TimeUnit.SECONDS)) {
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throw new RuntimeException("Waited too long, but can't select menu using mnemonics for " + laf);
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}
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hitKeys(KeyEvent.VK_ENTER);
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AtomicReference<String> elementSelAfter = new AtomicReference<>();
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SwingUtilities.invokeAndWait(() -> elementSelAfter.set(list.getSelectedValue()));
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// As per the fix of BugID 4618767, the list element selection should not change
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if (!elementSelBefore.equals(elementSelAfter.get())) {
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throw new RuntimeException("Test failed for " + laf
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+ " as list.getSelectedValue() before = " + elementSel
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+ " not equal to list.getSelectedValue() after pressing Enter = " + elementSelAfter
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);
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}
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System.out.println("Test passed for laf: " + laf);
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} finally {
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SwingUtilities.invokeAndWait(JListSelectedElementTest::disposeFrame);
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}
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}
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}
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private static void hitKeys(int... keys) {
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for (int key : keys) {
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robot.keyPress(key);
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}
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for (int i = keys.length - 1; i >= 0; i--) {
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robot.keyRelease(keys[i]);
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}
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}
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private static void createUI() {
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frame = new JFrame();
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list = new JList<>(new String[]{"anaheim", "bill", "chicago", "dingo", "ernie", "freak"});
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list.addFocusListener(new FocusAdapter() {
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@Override
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public void focusGained(FocusEvent e) {
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listGainedFocusLatch.countDown();
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}
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});
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JMenu menu = new JMenu("File");
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menu.setMnemonic(FILE_MENU);
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JMenuItem menuItem = new JMenuItem("Dummy");
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menu.add(menuItem);
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menu.addMenuListener(new MenuListener() {
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@Override
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public void menuSelected(MenuEvent e) {
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menuSelectedEventLatch.countDown();
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}
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@Override
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public void menuDeselected(MenuEvent e) {
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}
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@Override
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public void menuCanceled(MenuEvent e) {
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}
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});
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JMenuBar menuBar = new JMenuBar();
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menuBar.add(menu);
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frame.setJMenuBar(menuBar);
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frame.setContentPane(list);
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frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
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frame.pack();
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frame.setAlwaysOnTop(true);
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frame.setLocationRelativeTo(null);
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frame.setVisible(true);
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}
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private static boolean setLookAndFeel(String lafName) {
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try {
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UIManager.setLookAndFeel(lafName);
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} catch (UnsupportedLookAndFeelException ignored) {
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System.out.println("Ignoring Unsupported L&F: " + lafName);
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return false;
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} catch (ClassNotFoundException | InstantiationException
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| IllegalAccessException e) {
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throw new RuntimeException(e);
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}
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return true;
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}
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private static void disposeFrame() {
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if (frame != null) {
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frame.dispose();
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frame = null;
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}
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}
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}
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