1
2 /*
3 * Copyright (c) 2008, 2018, Oracle and/or its affiliates. All rights reserved.
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
5 *
6 * This code is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 only, as
8 * published by the Free Software Foundation.
9 *
10 * This code is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13 * version 2 for more details (a copy is included in the LICENSE file that
14 * accompanied this code).
15 *
16 * You should have received a copy of the GNU General Public License version
17 * 2 along with this work; if not, write to the Free Software Foundation,
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21 * or visit www.oracle.com if you need additional information or have any
22 * questions.
23 */
24
25 /*
26 * @test
27 * @key headful
28 * @bug 4251579
29 * @summary Tests if style sheets are working in JLabel
30 * @run main bug4251579
31 */
32 import java.awt.Dimension;
33 import java.awt.Point;
34 import java.awt.Color;
35 import java.awt.Robot;
36 import java.awt.event.WindowAdapter;
37 import java.awt.event.WindowEvent;
38 import java.awt.event.WindowListener;
39 import java.util.concurrent.CountDownLatch;
40
41 import javax.swing.JLabel;
42 import javax.swing.JFrame;
43 import javax.swing.SwingUtilities;
44
45 public class bug4251579 {
46
47 private static JLabel htmlComponent;
48 private static CountDownLatch latch = new CountDownLatch(1);
49 public static void main(String[] args) throws Exception {
50 final Robot robot = new Robot();
51 robot.setAutoDelay(50);
52
53 SwingUtilities.invokeAndWait(bug4251579::createAndShowGUI);
54 try {
55 latch.await();
56 }catch (InterruptedException ex) {
57 throw new RuntimeException(ex.getCause());
58 }
59
60 robot.waitForIdle();
61
62 SwingUtilities.invokeAndWait(() -> {
63 boolean passed = false;
64
65 Point p = htmlComponent.getLocationOnScreen();
66 Dimension d = htmlComponent.getSize();
67 int x0 = p.x;
68 int y = p.y + d.height / 2;
69
70 for (int x = x0; x < x0 + d.width; x++) {
71 if (robot.getPixelColor(x, y).equals(Color.blue)) {
72 passed = true;
73 break;
74 }
75 }
76
77 if (!passed) {
78 throw new RuntimeException("Test failed.");
79 }
80 });
81 }
82
83 private static void createAndShowGUI() {
84
85 String htmlText =
86 "<html>"
87 + "<head><style> .blue{ color:blue; } </style></head>"
88 + "<body"
89 + "<P class=\"blue\"> should be rendered with BLUE class definition</P>"
90 + "</body>";
91
92 JFrame mainFrame = new JFrame("bug4251579");
93 mainFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
94
95 htmlComponent = new JLabel(htmlText);
96 mainFrame.getContentPane().add(htmlComponent);
97
98 mainFrame.pack();
99 WindowListener l = new WindowAdapter() {
100 @Override public void windowOpened(WindowEvent e){
101 latch.countDown();
102 }
103 };
104 mainFrame.addWindowListener(l);
105 mainFrame.setVisible(true);
106 }
107 }