TextSelectionTest.java revision 15954:64781a24c0f4 
1/*
2 * Copyright (c) 2016, 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 */
23import java.awt.BorderLayout;
24import java.awt.FlowLayout;
25import java.awt.Font;
26import java.awt.event.WindowAdapter;
27import java.awt.event.WindowEvent;
28import java.util.concurrent.CountDownLatch;
29import java.util.concurrent.TimeUnit;
30import javax.swing.JButton;
31import javax.swing.JFrame;
32import javax.swing.JPanel;
33import javax.swing.JTextArea;
34import javax.swing.SwingUtilities;
35import javax.swing.text.JTextComponent;
36
37/**
38 * @test
39 * @bug 8156217
40 * @summary Selected text is shifted on HiDPI display
41 * @run main/manual/othervm -Dsun.java2d.uiScale=2 TextSelectionTest
42 */
43public class TextSelectionTest {
44
45    private static final String INSTRUCTIONS = "This is a manual test.\n"
46            + "\n"
47            + "Select the current text from the end to the beginning.\n"
48            + "\n"
49            + "If the text is slightly shiftted from one side to another\n"
50            + "and back during selection press Fail.\n"
51            + "Otherwise, press Pass.";
52
53    private static final CountDownLatch latch = new CountDownLatch(1);
54    private static volatile boolean passed = false;
55
56    public static void main(String[] args) throws Exception {
57        SwingUtilities.invokeAndWait(TextSelectionTest::createAndShowGUI);
58        latch.await(3, TimeUnit.MINUTES);
59        System.out.println("passed: " + passed);
60        if (!passed) {
61            throw new RuntimeException("Test fails!");
62        }
63    }
64
65    private static void createAndShowGUI() {
66
67        JFrame frame = new JFrame("Follow the instructions below:");
68        frame.setSize(700, 500);
69        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
70
71        JPanel panel = new JPanel(new BorderLayout());
72        JTextComponent textComponent = new JTextArea(INSTRUCTIONS);
73        textComponent.setEditable(false);
74        Font font = textComponent.getFont();
75        font = font.deriveFont(24.0f);
76        textComponent.setFont(font);
77        panel.add(textComponent, BorderLayout.CENTER);
78
79        JPanel buttonsPanel = new JPanel(new FlowLayout());
80        JButton passButton = new JButton("Pass");
81        passButton.addActionListener((e) -> {
82            passed = true;
83            latch.countDown();
84            frame.dispose();
85        });
86        JButton failsButton = new JButton("Fail");
87        failsButton.addActionListener((e) -> {
88            passed = false;
89            latch.countDown();
90            frame.dispose();
91        });
92
93        buttonsPanel.add(passButton);
94        buttonsPanel.add(failsButton);
95        panel.add(buttonsPanel, BorderLayout.SOUTH);
96
97        frame.getContentPane().add(panel);
98
99        frame.addWindowListener(new WindowAdapter() {
100
101            @Override
102            public void windowClosing(WindowEvent e) {
103                latch.countDown();
104            }
105        });
106        frame.setVisible(true);
107    }
108}
109