101 lines
3.2 KiB
Java
101 lines
3.2 KiB
Java
/*
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* Copyright (c) 2011, 2014, 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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/*
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* @test
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* @key headful
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* @bug 6274267
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* @summary Checks that ScrollPaneLayout properly calculates preferred
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* layout size.
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* @author Mikhail Lapshin
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* @run main bug6274267
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*/
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import javax.swing.*;
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import java.awt.*;
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public class bug6274267 {
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private JFrame frame;
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private Component left;
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public static void main(String[] args) throws Exception {
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final bug6274267 test = new bug6274267();
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Robot robot = new Robot();
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try {
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SwingUtilities.invokeAndWait(new Runnable() {
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public void run() {
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test.setupUI1();
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}
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});
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robot.waitForIdle();
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SwingUtilities.invokeAndWait(new Runnable() {
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public void run() {
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test.setupUI2();
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}
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});
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test.test();
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} finally {
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if (test.frame != null) {
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test.frame.dispose();
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}
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}
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}
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private void setupUI1() {
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frame = new JFrame();
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frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
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left = new JPanel();
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left.setPreferredSize(new Dimension(100, 100));
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JPanel rightPanel = new JPanel();
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rightPanel.setPreferredSize(new Dimension(100, 50));
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Component right = new JScrollPane(rightPanel);
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JSplitPane split =
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new JSplitPane(JSplitPane.HORIZONTAL_SPLIT, left, right);
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frame = new JFrame();
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frame.add(split);
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frame.pack();
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}
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// It is important to separate frame.pack() from frame.setVisible(true).
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// Otherwise the repaint manager will combine validate() calls and
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// the bug won't appear.
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private void setupUI2() {
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frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
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frame.setLocationRelativeTo(null);
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frame.setVisible(true);
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}
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private void test() throws Exception {
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if (left.getSize().width == 100) {
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System.out.println("Test passed");
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} else {
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throw new RuntimeException("ScrollPaneLayout sometimes improperly " +
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"calculates the preferred layout size. ");
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}
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}
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}
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