TextAreaTwicePack.java revision 14851:980da45565c8 
1/*
2 * Copyright (c) 2012, 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 */
23
24import java.awt.Dimension;
25import java.awt.Frame;
26import java.awt.TextArea;
27import java.awt.Robot;
28
29
30/**
31 * @test
32 * @key headful
33 * @bug 7160627
34 * @summary We shouldn't get different frame size when we call Frame.pack()
35 * twice.
36 * @author Sergey Bylokhov
37 */
38public final class TextAreaTwicePack {
39
40    public static void main(final String[] args) {
41        final Frame frame = new Frame();
42        final TextArea ta = new TextArea();
43        frame.add(ta);
44        frame.pack();
45        frame.setVisible(true);
46        sleep();
47        final Dimension before = frame.getSize();
48        frame.pack();
49        final Dimension after = frame.getSize();
50        if (!after.equals(before)) {
51            throw new RuntimeException(
52                    "Expected size: " + before + ", actual size: " + after);
53        }
54        frame.dispose();
55    }
56
57    private static void sleep() {
58        try {
59            Robot robot = new Robot();
60            robot.waitForIdle();
61            Thread.sleep(500L);
62        } catch (Exception ignored) {
63            ignored.printStackTrace();
64        }
65    }
66}
67