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/*
* Copyright (c) 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.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.event.InputEvent;
import java.awt.event.KeyEvent;
import java.awt.event.MouseEvent;
/*
* @test
* @key headful
* @bug 8295774
* @summary Verify that List Item selection via mouse/keys generates ItemEvent/ActionEvent appropriately.
* @run main ListItemEventsTest
*/
public class ListItemEventsTest {
private static final int MOUSE_DELAY = 100;
private static final int KEYBOARD_DELAY = 1000;
private static Frame frame;
private volatile static List list;
private volatile static boolean actionPerformed = false;
private volatile static boolean itemStateChanged = false;
private static Robot robot;
public static void initializeGUI() {
frame = new Frame("Test Frame");
frame.setLayout(new FlowLayout());
list = new List();
list.add("One");
list.add("Two");
list.add("Three");
list.add("Four");
list.add("Five");
list.addItemListener((event) -> {
System.out.println("Got an ItemEvent: " + event);
itemStateChanged = true;
});
list.addActionListener((event) -> {
System.out.println("Got an ActionEvent: " + event);
actionPerformed = true;
});
frame.add(list);
frame.pack();
frame.setLocationRelativeTo(null);
frame.setVisible(true);
}
public static void main(String[] s) throws Exception {
robot = new Robot();
try {
robot.setAutoDelay(MOUSE_DELAY);
robot.setAutoWaitForIdle(true);
EventQueue.invokeLater(ListItemEventsTest::initializeGUI);
robot.waitForIdle();
Point listAt = list.getLocationOnScreen();
Dimension listSize = list.getSize();
robot.mouseMove(listAt.x + listSize.width / 2,
listAt.y + listSize.height / 2);
robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
if (!itemStateChanged) {
throw new RuntimeException(
"FAIL: List did not trigger ItemEvent when item selected!");
}
robot.mousePress(MouseEvent.BUTTON1_DOWN_MASK);
robot.mouseRelease(MouseEvent.BUTTON1_DOWN_MASK);
robot.mousePress(MouseEvent.BUTTON1_DOWN_MASK);
robot.mouseRelease(MouseEvent.BUTTON1_DOWN_MASK);
if (!actionPerformed) {
throw new RuntimeException(
"FAIL: List did not trigger ActionEvent when double"
+ " clicked!");
}
itemStateChanged = false;
actionPerformed = false;
EventQueue.invokeAndWait(() -> list.select(0));
robot.waitForIdle();
if (itemStateChanged) {
throw new RuntimeException(
"FAIL: List triggered ItemEvent when item selected by "
+ "calling the API!");
}
robot.setAutoDelay(KEYBOARD_DELAY);
itemStateChanged = false;
typeKey(KeyEvent.VK_DOWN);
if (!itemStateChanged) {
throw new RuntimeException(
"FAIL: List did not trigger ItemEvent when item selected by"
+ " down arrow key!");
}
itemStateChanged = false;
typeKey(KeyEvent.VK_UP);
if (!itemStateChanged) {
throw new RuntimeException(
"FAIL: List did not trigger ItemEvent when item selected by"
+ " up arrow key!");
}
if (actionPerformed) {
throw new RuntimeException(
"FAIL: List triggerd ActionEvent unnecessarily. Action generated"
+ " when item selected using API or UP/DOWN keys!");
}
actionPerformed = false;
typeKey(KeyEvent.VK_ENTER);
if (!actionPerformed) {
throw new RuntimeException(
"FAIL: List did not trigger ActionEvent when enter"
+ " key typed!");
}
System.out.println("Test passed!");
} finally {
EventQueue.invokeAndWait(ListItemEventsTest::disposeFrame);
}
}
public static void disposeFrame() {
if (frame != null) {
frame.dispose();
frame = null;
}
}
private static void typeKey(int key) throws Exception {
robot.keyPress(key);
robot.keyRelease(key);
}
}
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