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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * version 2 for more details (a copy is included in the LICENSE file that
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/*
 * @test
 * @bug 6405689
 * @key headful
 * @summary Reg: Painting is not happening properly,
 *          when Choice scrollbar gets disappeared after selected item
 * @library /java/awt/regtesthelpers
 * @build PassFailJFrame
 * @run main/manual PaintArtefacts
*/

import java.awt.Button;
import java.awt.Choice;
import java.awt.FlowLayout;
import java.awt.Frame;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;

public class PaintArtefacts {

    static boolean removeItems = true;
    private static final String INSTRUCTIONS = """
        The problem is seen on XToolkit only.
        Open the choice and press down or up key several times
        until the scrollbar gets disappeared.
        At that moment you may see a painting artefacts on dropdown menu
        If you see them, press Fail.
        If you don't see them press Add/Remove switch button and
        again open the choice and press Up/Down key several times
        until Scrollbar gets appeared back.
        If you still don't see any painting artefacts press Pass.
        """;

    private static Frame init() {
        Frame frame = new Frame("Painting Frame");
        Button b = new Button ("Add/Remove switch");
        final Choice ch = new Choice();
        ch.add("Praveen");
        ch.add("Mohan");
        ch.add("Rakesh");
        ch.add("Menon");
        ch.add("Girish");
        ch.add("Ramachandran");
        ch.add("Elancheran");
        ch.add("Subramanian");
        ch.add("Raju");
        ch.add("Pallath");
        ch.add("Mayank");
        ch.add("Joshi");
        ch.add("Sundar");
        ch.add("Srinivas");
        ch.add("Mandalika");
        ch.add("Suresh");
        ch.add("Chandar");
        ch.select(1);
        frame.setLayout(new FlowLayout());
        frame.add(ch);
        frame.add(b);
        b.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent ae) {
                PassFailJFrame.log(ae.toString());
                PassFailJFrame.log("selected index = " + ch.getSelectedIndex());
                removeItems = !removeItems;
            }
        });
        ch.addItemListener(new ItemListener() {
            public void itemStateChanged(ItemEvent ie) {
                PassFailJFrame.log(ie.toString());
                PassFailJFrame.log("selected index = " + ch.getSelectedIndex());
                if (removeItems) {
                    PassFailJFrame.log("REMOVE : " + ch.getSelectedIndex());
                    ch.remove(ch.getSelectedIndex());
                } else {
                    PassFailJFrame.log("ADD : "+ch.getSelectedIndex() + "/" + "new item");
                    ch.add("new item");
                }
            }
        });
        frame.setSize(200, 200);

        for (int i = 0; i < 5; i++){
            ch.remove(ch.getSelectedIndex());
        }

        return frame;
    }

    public static void main(String[] args) throws Exception {
        PassFailJFrame.builder()
                .instructions(INSTRUCTIONS)
                .columns(45)
                .testUI(PaintArtefacts::init)
                .logArea()
                .build()
                .awaitAndCheck();
    }
}