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duke
committedOct 8, 2024
Automatic merge of jdk:master into master
2 parents e8c8edd + b9db74a commit 20c1ec1

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‎test/jdk/ProblemList.txt

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Original file line numberDiff line numberDiff line change
@@ -214,6 +214,7 @@ java/awt/TrayIcon/TrayIconPopup/TrayIconPopupClickTest.java 8150540 windows-all,
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java/awt/TrayIcon/TrayIconPopup/TrayIconPopupTest.java 8150540 windows-all
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java/awt/TrayIcon/MouseMoveTest.java 8203053 linux-all
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java/awt/TrayIcon/TrayIconKeySelectTest.java 8341557 windows-all
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java/awt/TrayIcon/TrayIconTest.java 8341559 generic-all
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218219
java/awt/Window/ShapedAndTranslucentWindows/SetShapeAndClick.java 8197936 macosx-all
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java/awt/Window/ShapedAndTranslucentWindows/SetShapeDynamicallyAndClick.java 8013450 macosx-all

‎test/jdk/java/awt/TrayIcon/TrayIconTest.java

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/*
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* Copyright (c) 2005, 2024, 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.AWTException;
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import java.awt.BorderLayout;
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import java.awt.Button;
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import java.awt.Checkbox;
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import java.awt.CheckboxGroup;
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import java.awt.Choice;
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import java.awt.Color;
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import java.awt.Container;
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import java.awt.EventQueue;
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import java.awt.FlowLayout;
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import java.awt.Frame;
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import java.awt.Graphics2D;
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import java.awt.GridLayout;
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import java.awt.Image;
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import java.awt.Insets;
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import java.awt.Label;
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import java.awt.MenuItem;
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import java.awt.Panel;
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import java.awt.PopupMenu;
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import java.awt.RenderingHints;
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import java.awt.SystemTray;
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import java.awt.TextField;
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import java.awt.Toolkit;
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import java.awt.TrayIcon;
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import java.awt.TrayIcon.MessageType;
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import java.awt.event.ActionEvent;
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import java.awt.event.MouseAdapter;
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import java.awt.event.MouseEvent;
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import java.awt.event.MouseMotionAdapter;
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import java.awt.event.WindowAdapter;
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import java.awt.event.WindowEvent;
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import java.awt.image.BufferedImage;
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import java.beans.PropertyChangeEvent;
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import java.util.HashMap;
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import java.util.Map;
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import jtreg.SkippedException;
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/*
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* @test
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* @key headful
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* @bug 4310333
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* @library /java/awt/regtesthelpers /test/lib
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* @build PassFailJFrame jtreg.SkippedException
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* @summary A unit test for TrayIcon RFE
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* @run main/manual TrayIconTest
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*/
70+
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public class TrayIconTest {
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private static SystemTray tray;
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static Frame frame = new Frame("TrayIcon Test");
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private static final String INSTRUCTIONS = """
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The test frame contains CheckboxGroup of tray icons.
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A selected checkbox represents the TrayIcon (or null
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TrayIcon) whose functionality is currently tested.
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79+
If you are under Linux make sure your Application Panel has
80+
System Tray (on Gnome it is called Notification Area).
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82+
Perform all the cases (1-7) documented below.
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CASE 1: Testing ADD/REMOVE/PropertyChange functionality.
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--------------------------------------------------------
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1. Select null TrayIcon and pressAdd button:
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- NullPointerException should be thrown.
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2. Select some of the valid TrayIcons and press Add button:
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- The selected TrayIcon should appear in the SystemTray.
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- PropertyChangeEvent should be fired (the property is
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an array of TrayIcons added to the system tray).
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3. Press Add button again:
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- IllegalArgumentException should be thrown.
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- No PropertyChangeEvent should be fired.
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4. Press Remove button:
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- The TrayIcon should disappear from the SystemTray.
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- PropertyChangeEvent should be fired.
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5. Press Remove button again:
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- It should have no effect.
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- No PropertyChangeEvent should be fired.
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6. Add all the valid TrayIcons (by selecting everyone and pressing Add
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button):
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- All the TrayIcons should appear in the SystemTray.
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- PropertyChangeEvent should be fired on each adding.
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7. Remove all the TrayIcons (again by selecting everyone and pressing
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Remove):
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- All the TrayIcons should disappear from the SystemTray.
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- PropertyChangeEvent should be fired on each removing.
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8. Not for Windows! Remove the system tray (Notification Area) from
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the desktop. Try to add some valid TrayIcon:
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- AWTException should be thrown.
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- No PropertyChangeEvent should be fired.
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9. Not for Windows! Add the system tray back to the desktop. Add all the
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valid TrayIcons:
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- All the TrayIcons should appear in the system tray.
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- PropertyChangeEvent should be fired on each adding.
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11. Not for Windows! Remove the system tray from the desktop:
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- All the TrayIcons should disappear.
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- PropertyChangeEvent should be fired for each TrayIcon
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removal.
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- PropertyChangeEvent should be fired for SystemTray removal.
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12. Add the system tray and go to the next step.
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- All the TrayIcons should appear again.
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- PropertyChangeEvent should be fired for SystemTray addition.
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- PropertyChangeEvent shouldn't be fired for TrayIcon removal.
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127+
CASE 2: Testing RESIZE functionality.
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-------------------------------------
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1. Select some of the TrayIcons and add it. Then press resize button:
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- The TrayIcon selected should be resized to fit the area it occupies.
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2. Press resize button again:
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- The TrayIcon should be resized to the original size.
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3. Repeat the 1-2 steps for other TrayIcons:
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- The TrayIcons should be resized appropriately.
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CASE 3: Testing EVENTS functionality
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---------------------------------
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1. Select some of the TrayIcons and add it. Select MouseEvent from the
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group of checkboxes at the top-right of the test frame.
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Click on the TrayIcon in the SystemTray:
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- MOUSE_PRESSED MOUSE_RELEASED and MOUSE_CLICKED events should be
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generated.
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2. Press mouse inside the TrayIcon dragging mouse and releasing it.
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- Make sure that MOUSE_CLICKED event is not triggered.
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3. Click on the TrayIcon with different modification keys:
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- there should be appropriate modifiers in the events.
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4. Keep clicking on the TrayIcon:
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- there should be correct absolute coordinates in the events.
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5. Only for Windows! Focus the system tray using keyboard:
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- press WIN key once to bring up the start menu then press ESC once to
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close the menu the focus should be on the start button
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- press TAB key for several times until you focus on the system
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tray then use ARROW keys to move to the TrayIcon
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- press ENTER or SPACE should trigger ACTION_PERFORMED message
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make sure that mouse events are not triggered.
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6. Select MouseMotionEvent checkbox. Move mouse over the TrayIcon:
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- MOUSE_MOVED event should be generated. It should contain
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correct coordinates.
159+
7. Deselect both the checkboxes and then select AWTEventListener.
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Click on the TrayIcon and then move mouse over it:
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- Appropriate mouse events should be generated (catched by the
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AWTEventListener).
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8. Deselect all the checkboxes and go to the following step.
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CASE 4: Testing DISPLAY MESSAGE functionality.
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----------------------------------------------
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1. Select some of the TrayIcons and add it. Then press Display message
168+
button:
169+
- A balloon message should appear near the TrayIcon.
170+
2. After the message is displayed wait for some period:
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- The message window should be closed automatically.
172+
3. Display the message again. Close it by pressing X in its top-right
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corner:
174+
- The message window should be closed immediately.
175+
4. Display the message again. Click inside it:
176+
- The message should be closed an ACTION_PERFORMED event should be
177+
generated with correct information and an Ok dialog should appear.
178+
Close the dialog.
179+
5. Select a message type from the Type choice and display the message
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again:
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- It should contain an icon appropriate to the message type selected
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or no icon if NONE is selected.
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6. Change the content of the Message and Caption text fields and
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display the message:
185+
- The message content should be changed in the accordance with the text
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typed.
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7. Not for Windows! Type some too long or too short text for the Caption
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and Message:
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- The message should process the text correctly. The long text should
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be cut.
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8. Not for Windows! Type null in the Message text field and display
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the message:
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- The message body should contain no text.
194+
9. Type null in the Caption text field and display the message:
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- The message caption should contain no text.
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10. Type null in the both Message and Caption fields and display
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the message:
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- NullPointerException should be generated and no message should be
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displayed.
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11. Try to hide the taskbar. Click Display message for several times.
201+
Then restore the taskbar. Click on the TrayIcon:
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- No message should appear.
203+
Try to display the message once more:
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- It should appear appropriately.
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12. Try to display the message for other TrayIcons:
206+
- The messages should be displayed appropriately.
207+
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CASE 5: Testing POPUP MENU functionality.
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-----------------------------------------
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1. Add some TrayIcon to the system tray. Press Set button in the
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Popup menu test area. Trigger the popup menu for the TrayIcon with
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the mouse:
213+
- A popup menu should appear. Make sure it behaves properly.
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- Make sure the 'duke.gif' image is animated while the popup menu is shown.
215+
2. Press Remove button for the popup menu and try to trigger it again:
216+
- No popup menu should appear.
217+
3. Perform 1-2 steps for other TrayIcons:
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- Make sure the popup menu behaves properly.
219+
4. Add more than one TrayIcons to the system tray. Press Set button in
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the PopupMenu test area for some of the TrayIcon added. Trigger
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the popup menu for this TrayIcon:
222+
- A popup menu should appear properly.
223+
5. Try to set the popup menu to the same TrayIcon again:
224+
- It should have no effect
225+
6. Try to set the popup menu for other TrayIcons you've added to the system
226+
tray:
227+
- for each one IllegalArgumentException should be thrown.
228+
229+
CASE 6: Testing TOOLTIP functionality.
230+
--------------------------------------
231+
1. Type something in the Tooltip text field and press Set button.
232+
Then move mouse cursor over the TrayIcon and wait for a second:
233+
- A tooltip should appear containing the text typed.
234+
2. Show a tooltip again and keep your mouse over the TrayIcon for some period:
235+
- The tooltip should disappear automatically.
236+
3. Show a tooltip again and leave the TrayIcon:
237+
- The tooltip should disappear immediately.
238+
4. Type null in the Tooltip field and press set then move your
239+
mouse to the SystemTray:
240+
- The tooltip shouldn't appear.
241+
5. Type something too long in the Tooltip field and show the tooltip:
242+
- The tooltip text should be cut.
243+
244+
CASE 7: Testing ACTION functionality.
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-------------------------------------
246+
1. Add some TrayIcon to the system tray. Double click it with the left mouse
247+
button:
248+
- An ACTION_PERFORMED event should be generated.
249+
2. Double click the TrayIcon with the left mouse button several times:
250+
- Several ACTION_PERFORMED events should be generated
251+
- Make sure that the time-stamp of each event ('when' field) is increased.
252+
253+
If all the above cases work as expected Press PASS else FAIL.
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""";
255+
256+
public static void main(String[] args) throws Exception {
257+
if (!SystemTray.isSupported()) {
258+
throw new SkippedException("Test not applicable as"
259+
+ " System Tray not supported");
260+
}
261+
try {
262+
PassFailJFrame.builder()
263+
.title("TrayIconTest Instructions")
264+
.instructions(INSTRUCTIONS)
265+
.columns(50)
266+
.rows(40)
267+
.testUI(TrayIconTest::createAndShowUI)
268+
.logArea(10)
269+
.build()
270+
.awaitAndCheck();
271+
272+
} finally {
273+
EventQueue.invokeAndWait(() -> {
274+
if (tray != null) {
275+
//Remove any remaining tray icons before ending the test.
276+
TrayIcon[] icons = tray.getTrayIcons();
277+
for (TrayIcon icon : icons) {
278+
tray.remove(icon);
279+
}
280+
}
281+
});
282+
}
283+
}
284+
285+
private static Frame createAndShowUI() {
286+
final TrayIconControl ctrl = new TrayIconControl();
287+
frame.setLayout(new BorderLayout());
288+
frame.add(ctrl.cont, BorderLayout.CENTER);
289+
frame.setBackground(Color.LIGHT_GRAY);
290+
291+
frame.addWindowListener(new WindowAdapter() {
292+
public void windowClosing(WindowEvent e) {
293+
ctrl.dispose();
294+
}
295+
});
296+
297+
frame.pack();
298+
return frame;
299+
}
300+
301+
private static class TrayIconControl {
302+
final String RED_ICON = "RED ICON";
303+
final String BLUE_ICON = "BLUE ICON";
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final String GREEN_ICON = "GREEN ICON";
305+
306+
CheckboxGroup cbg = new CheckboxGroup();
307+
Button addButton = new PackedButton(" Add ");
308+
Button remButton = new PackedButton("Remove");
309+
Button resizeButton = new PackedButton("Resize");
310+
Button balloonButton = new PackedButton("Display message");
311+
Choice balloonChoice = new Choice();
312+
String[] balloonTypes = new String[] { "ERROR", "WARNING", "INFO", "NONE" };
313+
314+
TextField balloonText = new TextField(
315+
"A TrayIcon can generate various MouseEvents and"
316+
+ " supports adding corresponding listeners to receive"
317+
+ " notification of these events. TrayIcon processes"
318+
+ " some of the events by itself. For example,"
319+
+ " by default, when the right-mouse click", 70);
320+
TextField balloonCaption = new TextField("TrayIcon", 70);
321+
322+
MessageType[] typeArr = new MessageType[] { MessageType.ERROR, MessageType.WARNING,
323+
MessageType.INFO, MessageType.NONE };
324+
Checkbox mouseListenerCbox = new Checkbox("MouseEvent");
325+
Checkbox motionListenerCbox = new Checkbox(" MouseMotionEvent");
326+
Checkbox awtListenerCbox = new Checkbox(" AWTEventListener");
327+
TextField tipText = new TextField("TrayIcon", 50);
328+
Button tipButton = new PackedButton("Set");
329+
Button setPopupButton = new PackedButton("Set");
330+
Button remPopupButton = new PackedButton("Remove");
331+
332+
PopupMenu popupMenu = new PopupMenu();
333+
334+
Map<String, TrayIcon> resToObjMap = new HashMap<>();
335+
336+
Container cont = new Container();
337+
338+
TrayIconControl() {
339+
Toolkit.getDefaultToolkit().addAWTEventListener(e -> {
340+
if (e.getSource() instanceof TrayIcon && awtListenerCbox.getState()) {
341+
PassFailJFrame.log(e.toString());
342+
}
343+
}, MouseEvent.MOUSE_EVENT_MASK | MouseEvent.MOUSE_MOTION_EVENT_MASK |
344+
ActionEvent.ACTION_EVENT_MASK);
345+
346+
cont.setLayout(new GridLayout(4, 1));
347+
348+
Container raw1 = new Container();
349+
raw1.setLayout(new GridLayout(1, 4));
350+
cont.add(raw1);
351+
352+
InsetsPanel cbgPanel = new InsetsPanel();
353+
cbgPanel.setLayout(new GridLayout(4, 1));
354+
Checkbox nullCbox = new Checkbox("null", cbg, true);
355+
Checkbox redCbox = new Checkbox(RED_ICON, cbg, false);
356+
Checkbox blueCbox = new Checkbox(BLUE_ICON, cbg, false);
357+
Checkbox greenCbox = new Checkbox(GREEN_ICON, cbg, false);
358+
cbgPanel.add(nullCbox);
359+
cbgPanel.add(redCbox);
360+
cbgPanel.add(blueCbox);
361+
cbgPanel.add(greenCbox);
362+
cbgPanel.addTo(raw1);
363+
364+
InsetsPanel addremPanel = new InsetsPanel();
365+
addremPanel.setLayout(new BorderLayout());
366+
addremPanel.add(addButton.getParent(), BorderLayout.NORTH);
367+
addremPanel.add(remButton.getParent(), BorderLayout.SOUTH);
368+
addremPanel.addTo(raw1);
369+
370+
InsetsPanel resizePanel = new InsetsPanel();
371+
resizePanel.add(resizeButton);
372+
resizePanel.addTo(raw1);
373+
374+
InsetsPanel lstPanel = new InsetsPanel();
375+
lstPanel.setLayout(new GridLayout(3, 1));
376+
lstPanel.add(mouseListenerCbox);
377+
lstPanel.add(motionListenerCbox);
378+
lstPanel.add(awtListenerCbox);
379+
lstPanel.addTo(raw1);
380+
381+
Container raw2 = new Container();
382+
raw2.setLayout(new BorderLayout());
383+
cont.add(raw2);
384+
385+
InsetsPanel balloonPanel = new InsetsPanel();
386+
balloonPanel.setLayout(new BorderLayout());
387+
balloonPanel.add(balloonButton.getParent(), BorderLayout.NORTH);
388+
Container bc = new Container();
389+
bc.setLayout(new FlowLayout());
390+
bc.add(new Label(" Type:"));
391+
bc.add(balloonChoice);
392+
balloonPanel.add(bc, BorderLayout.SOUTH);
393+
balloonPanel.addTo(raw2, BorderLayout.WEST);
394+
395+
InsetsPanel blnTextPanel = new InsetsPanel();
396+
blnTextPanel.setLayout(new GridLayout(2, 2));
397+
Container c1 = new Panel();
398+
c1.setLayout(new FlowLayout());
399+
blnTextPanel.add(c1);
400+
c1.add(new Label("Message:"));
401+
c1.add(balloonText);
402+
403+
Container c2 = new Panel();
404+
c2.setLayout(new FlowLayout());
405+
blnTextPanel.add(c2);
406+
c2.add(new Label("Caption:"));
407+
c2.add(balloonCaption);
408+
blnTextPanel.addTo(raw2, BorderLayout.CENTER);
409+
410+
411+
Container raw3 = new Container();
412+
raw3.setLayout(new BorderLayout());
413+
cont.add(raw3);
414+
415+
InsetsPanel popupPanel = new InsetsPanel();
416+
popupPanel.setLayout(new FlowLayout());
417+
popupPanel.add(new Label("Popup menu:"));
418+
popupPanel.add(setPopupButton);
419+
popupPanel.add(remPopupButton);
420+
popupPanel.addTo(raw3);
421+
422+
423+
Container raw4 = new Container();
424+
raw4.setLayout(new BorderLayout());
425+
cont.add(raw4);
426+
427+
InsetsPanel tipPanel = new InsetsPanel();
428+
tipPanel.setLayout(new FlowLayout());
429+
tipPanel.add(new Label("Tooltip:"));
430+
tipPanel.add(tipText);
431+
tipPanel.add(tipButton);
432+
tipPanel.addTo(raw4);
433+
434+
addButton.addActionListener(e -> {
435+
try {
436+
tray.add(getCurIcon());
437+
} catch (NullPointerException npe) {
438+
if (npe.getMessage() == null) {
439+
PassFailJFrame.log("Probably wrong path to the images.");
440+
throw npe; // if wrong images path was set
441+
}
442+
PassFailJFrame.log(npe.toString());
443+
} catch (IllegalArgumentException iae) {
444+
PassFailJFrame.log(iae.toString());
445+
} catch (AWTException ise) {
446+
PassFailJFrame.log(ise.toString());
447+
}
448+
});
449+
remButton.addActionListener(e -> tray.remove(getCurIcon()));
450+
451+
resizeButton.addActionListener(
452+
e -> getCurIcon().setImageAutoSize(!getCurIcon().isImageAutoSize()));
453+
454+
balloonButton.addActionListener(e -> {
455+
String text = null, caption = null;
456+
if (balloonText.getText().compareToIgnoreCase("null") != 0) {
457+
text = balloonText.getText();
458+
}
459+
if (balloonCaption.getText().compareToIgnoreCase("null") != 0) {
460+
caption = balloonCaption.getText();
461+
}
462+
try {
463+
getCurIcon().displayMessage(caption, text, typeArr[balloonChoice.getSelectedIndex()]);
464+
} catch (NullPointerException npe) {
465+
PassFailJFrame.log(npe.toString());
466+
}
467+
});
468+
469+
tipButton.addActionListener(e -> {
470+
String tip = null;
471+
if (tipText.getText().compareToIgnoreCase("null") != 0) {
472+
tip = tipText.getText();
473+
}
474+
getCurIcon().setToolTip(tip);
475+
});
476+
477+
setPopupButton.addActionListener(e -> {
478+
try {
479+
getCurIcon().setPopupMenu(popupMenu);
480+
} catch (IllegalArgumentException iae) {
481+
PassFailJFrame.log(iae.toString());
482+
}
483+
});
484+
485+
remPopupButton.addActionListener(e -> getCurIcon().setPopupMenu(null));
486+
for (String s: balloonTypes) {
487+
balloonChoice.add(s);
488+
}
489+
490+
init();
491+
}
492+
493+
void init() {
494+
tray = SystemTray.getSystemTray();
495+
tray.addPropertyChangeListener("trayIcons",
496+
e -> printPropertyChangeEvent(e));
497+
498+
tray.addPropertyChangeListener("systemTray",
499+
e -> printPropertyChangeEvent(e));
500+
501+
configureTrayIcon(RED_ICON);
502+
configureTrayIcon(BLUE_ICON);
503+
configureTrayIcon(GREEN_ICON);
504+
505+
for (String s: balloonTypes) {
506+
popupMenu.add(new MenuItem(s));
507+
}
508+
}
509+
510+
void printPropertyChangeEvent(PropertyChangeEvent e) {
511+
String name = e.getPropertyName();
512+
Object oldValue = e.getOldValue();
513+
Object newValue = e.getNewValue();
514+
515+
PassFailJFrame.log("PropertyChangeEvent[name=" + name
516+
+ ",oldValue=" + oldValue + ",newValue=" + newValue + "]");
517+
}
518+
519+
void configureTrayIcon(String icon) {
520+
Color color = Color.WHITE;
521+
switch (icon) {
522+
case "RED ICON" -> color = Color.RED;
523+
case "BLUE ICON" -> color = Color.BLUE;
524+
case "GREEN ICON" -> color = Color.GREEN;
525+
}
526+
Image image = createIcon(color);
527+
TrayIcon trayIcon = new TrayIcon(image);
528+
529+
trayIcon.addMouseListener(new MouseAdapter() {
530+
public void mousePressed(MouseEvent e) {
531+
if (mouseListenerCbox.getState())
532+
PassFailJFrame.log(e.toString());
533+
}
534+
public void mouseReleased(MouseEvent e) {
535+
if (mouseListenerCbox.getState())
536+
PassFailJFrame.log(e.toString());
537+
}
538+
public void mouseClicked(MouseEvent e) {
539+
if (mouseListenerCbox.getState())
540+
PassFailJFrame.log(e.toString());
541+
}
542+
});
543+
trayIcon.addMouseMotionListener(new MouseMotionAdapter() {
544+
public void mouseMoved(MouseEvent e) {
545+
if (motionListenerCbox.getState())
546+
PassFailJFrame.log(e.toString());
547+
}
548+
});
549+
trayIcon.addActionListener(e -> PassFailJFrame.log(e.toString()));
550+
551+
resToObjMap.remove(icon);
552+
resToObjMap.put(icon, trayIcon);
553+
}
554+
555+
String getCurImgName() {
556+
return cbg.getSelectedCheckbox().getLabel();
557+
}
558+
559+
TrayIcon getCurIcon() {
560+
return resToObjMap.get(getCurImgName());
561+
}
562+
563+
public void dispose() {
564+
tray.remove(getCurIcon());
565+
}
566+
567+
private static Image createIcon(Color color) {
568+
BufferedImage image = new BufferedImage(16, 16,
569+
BufferedImage.TYPE_INT_ARGB);
570+
Graphics2D g = image.createGraphics();
571+
g.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING,
572+
RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
573+
g.setColor(color);
574+
g.fillRect(0, 0, 16, 16);
575+
g.dispose();
576+
return image;
577+
}
578+
579+
}
580+
581+
private static class InsetsPanel extends Panel {
582+
Container parent = new Container() {
583+
public Insets getInsets() {
584+
return new Insets(2, 2, 2, 2);
585+
}
586+
};
587+
588+
InsetsPanel() {
589+
parent.setLayout(new BorderLayout());
590+
setBackground(new Color(240, 240, 240));
591+
}
592+
593+
void addTo(Container c) {
594+
parent.add(this);
595+
c.add(parent);
596+
}
597+
598+
void addTo(Container c, String pos) {
599+
parent.add(this);
600+
c.add(parent, pos);
601+
}
602+
}
603+
604+
private static class PackedButton extends Button {
605+
Container parent = new Container();
606+
PackedButton(String l) {
607+
super(l);
608+
parent.setLayout(new FlowLayout());
609+
parent.add(this);
610+
}
611+
}
612+
}
613+

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