126 lines
4.2 KiB
Java
126 lines
4.2 KiB
Java
/*
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* Copyright (c) 2009, 2017, 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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* @bug 8178430
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* @summary JMenu in GridBagLayout flickers when label text shows "..." and
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* is updated
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* @key headful
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* @run main LabelDotTest
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*/
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import java.awt.Dimension;
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import java.awt.GridBagConstraints;
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import java.awt.GridBagLayout;
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import java.awt.Robot;
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import java.util.stream.IntStream;
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import javax.swing.SwingUtilities;
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import javax.swing.JLabel;
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import javax.swing.JMenu;
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import javax.swing.JFrame;
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import javax.swing.JMenuBar;
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import javax.swing.JPanel;
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import javax.swing.SwingConstants;
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public class LabelDotTest
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{
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private final static String longText = "show a very long text to have it " +
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"automatically shortened";
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private final static String shortText = "show short text";
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private static JFrame frame;
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private static JLabel label;
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private static JMenu menu;
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private static volatile boolean isException = false;
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private static void createUI() {
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System.out.println("BEFORE CREATION");
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frame = new JFrame();
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frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
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frame.setSize(new Dimension(50, 150));
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frame.setLocationRelativeTo(null);
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frame.setLayout(new GridBagLayout());
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GridBagConstraints c = new GridBagConstraints();
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c.fill = GridBagConstraints.BOTH;
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c.weightx = 1.0;
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c.weighty = 0.0;
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c.gridwidth = GridBagConstraints.REMAINDER;
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JMenuBar menuBar = new JMenuBar();
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menu = new JMenu("Menu");
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menuBar.add(menu);
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frame.add(menuBar, c);
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frame.add(new JLabel("Title", SwingConstants.CENTER), c);
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c.weighty = 1.0;
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frame.add(new JPanel(new GridBagLayout()), c);
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c.weighty = 0.0;
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label = new JLabel(shortText);
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frame.add(label, c);
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frame.setVisible(true);
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}
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private static void runTest(int iterations) throws Exception{
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Robot robot = new Robot();
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IntStream.range(0, iterations).forEach((i) -> {
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SwingUtilities.invokeLater(() -> {
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if (label.getText().equals(shortText)) {
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label.setText(longText);
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} else {
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label.setText(shortText);
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}
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/* For a top level menu item, minimum size and the
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preferred size should be the same, and should not be
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equal to 1. Save the exception state and throw later
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once the iterations are completed.
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*/
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isException = (menu.getMinimumSize().height == 1 &&
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!menu.getMinimumSize().equals(menu.getPreferredSize())) ||
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isException;
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});
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robot.waitForIdle();
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});
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}
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public static void main(String[] args) throws Exception {
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try {
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SwingUtilities.invokeAndWait(() -> createUI());
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runTest(50);
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} finally {
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if (frame != null) {
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SwingUtilities.invokeAndWait(() -> frame.dispose());
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}
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if (isException)
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throw new RuntimeException("Size of Menu bar is not correct.");
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}
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}
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}
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