bug6236162.java revision 11111:4ef86895869c 
1/*
2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23/* @test
24   @bug 6236162
25   @summary Checks that there is no an inconsistence in combo box
26            behavior when user points an item in combo popup
27            by mouse and then uses UP/DOWN keys.
28   @library ../../regtesthelpers
29   @build Util
30   @author Mikhail Lapshin
31   @run main bug6236162
32*/
33
34import javax.swing.*;
35import javax.swing.plaf.basic.*;
36import javax.swing.plaf.metal.MetalComboBoxUI;
37import java.awt.*;
38import java.awt.event.KeyEvent;
39
40public class bug6236162 {
41    private static JFrame frame;
42    private static JComboBox combo;
43    private static MyComboUI comboUI;
44
45    public static void main(String[] args) throws Exception {
46        UIManager.setLookAndFeel(UIManager.getCrossPlatformLookAndFeelClassName());
47        SwingUtilities.invokeAndWait(new Runnable() {
48            public void run() {
49                createAndShowGUI();
50            }
51        });
52        test();
53        System.out.println("Test passed");
54    }
55
56    private static void createAndShowGUI() {
57        frame = new JFrame("bug6236162");
58
59        combo = new JComboBox(new String[]{"one", "two", "three", "four", "five"});
60        combo.setEditable(true);
61        comboUI = new MyComboUI();
62        combo.setUI(comboUI);
63        combo.setSelectedIndex(3);
64        frame.getContentPane().add(combo);
65
66        frame.pack();
67        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
68        frame.setLocationRelativeTo(null);
69        frame.setVisible(true);
70    }
71
72    private static void test() throws AWTException {
73        Robot robot = new Robot();
74        robot.setAutoDelay(50);
75
76        // Open popup menu
77        robot.waitForIdle();
78        Util.hitKeys(robot, KeyEvent.VK_DOWN);
79
80        // Move mouse to the first popup menu item
81        robot.waitForIdle();
82        Point p = combo.getLocationOnScreen();
83        Dimension size = combo.getSize();
84        p.x += size.width / 2;
85        p.y += size.height;
86        float dy = 1;
87        robot.mouseMove(p.x, p.y - 5);
88        for (int i=1; i <= 10; i++) {
89            robot.mouseMove((int)(p.x), (int)(p.y - 5 + dy*i));
90        }
91
92        // Select the second popup menu item
93        robot.waitForIdle();
94        Util.hitKeys(robot, KeyEvent.VK_DOWN);
95
96        robot.waitForIdle();
97        JList list = comboUI.getComboPopup().getList();
98        if (list.getSelectedIndex() != 1) {
99            throw new RuntimeException("There is an inconsistence in combo box " +
100                    "behavior when user points an item in combo popup " +
101                    "by mouse and then uses UP/DOWN keys.");
102        }
103    }
104
105
106    // Gives access to BasicComboBoxUI.popup field
107    private static class MyComboUI extends MetalComboBoxUI {
108        public ComboPopup getComboPopup() {
109            return popup;
110        }
111    }
112}
113