bug4885629.java

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
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 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 */

/*
 * @test
 * @bug 4885629
 * @summary With JSplitPane in VERTICAL_SPLIT, SplitPaneBorder draws bottom edge of divider
 * @author Andrey Pikalev
 */

import javax.swing.*;
import javax.swing.border.Border;
import javax.swing.border.EmptyBorder;
import javax.swing.plaf.basic.BasicBorders;
import javax.swing.plaf.basic.BasicLookAndFeel;
import javax.swing.plaf.basic.BasicSplitPaneUI;
import java.awt.*;


public class bug4885629 {

    private static final Color darkShadow = new Color(100,120,200);
    private static final Color darkHighlight = new Color(200,120,50);
    private static final Color lightHighlight = darkHighlight.brighter();
    private static final Color BGCOLOR = Color.blue;

    private static JSplitPane sp;

    public static void main(String[] args) throws Exception {
        UIManager.setLookAndFeel(new BasicLookAndFeel() {
                public boolean isSupportedLookAndFeel(){ return true; }
                public boolean isNativeLookAndFeel(){ return false; }
                public String getDescription() { return "Foo"; }
                public String getID() { return "FooID"; }
                public String getName() { return "FooName"; }
        });

        SwingUtilities.invokeAndWait(new Runnable() {
            public void run() {
                JFrame frame = new JFrame();

                JComponent a = new JPanel();
                a.setBackground(Color.white);
                a.setMinimumSize(new Dimension(10, 10));

                JComponent b = new JPanel();
                b.setBackground(Color.white);
                b.setMinimumSize(new Dimension(10, 10));

                sp = new JSplitPane(JSplitPane.VERTICAL_SPLIT, a, b);
                sp.setPreferredSize(new Dimension(20, 20));
                sp.setBackground(BGCOLOR);

                Border bo = new BasicBorders.SplitPaneBorder(lightHighlight,
                        Color.red);
                Border ibo = new EmptyBorder(0, 0, 0, 0);
                sp.setBorder(bo);
                sp.setMinimumSize(new Dimension(200, 200));

                ((BasicSplitPaneUI) sp.getUI()).getDivider().setBorder(ibo);

                frame.getContentPane().setLayout(new FlowLayout());
                frame.getContentPane().setBackground(darkShadow);
                frame.getContentPane().add(sp);

                frame.setSize(200, 200);
                frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
                frame.setVisible(true);
            }
        });

        final Robot robot = new Robot();
        robot.waitForIdle();
        robot.delay(1000);

        SwingUtilities.invokeAndWait(new Runnable() {
            public void run() {
                Rectangle rect = ((BasicSplitPaneUI) sp.getUI()).getDivider().getBounds();

                Point p = rect.getLocation();

                SwingUtilities.convertPointToScreen(p, sp);

                for (int i = 0; i < rect.width; i++) {
                    if (!BGCOLOR.equals(robot.getPixelColor(p.x + i, p.y + rect.height - 1))) {
                        throw new Error("The divider's area has incorrect color.");
                    }
                }
            }
        });
    }
}