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/*
 * @test
 * @bug 4187996
 * @summary Tests that Metal submenus overlap menu
 * @library /java/awt/regtesthelpers
 * @build PassFailJFrame
 * @run main/manual bug4187996
 */

import javax.swing.JFrame;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.UIManager;

public class bug4187996 {

    private static final String INSTRUCTIONS = """
        Open the menu "Menu", then "Submenu".
        The submenu should be top-aligned with the menu,
        and slightly overlap it horizontally. Otherwise test fails.""";

    public static void main(String[] args) throws Exception {
        UIManager.setLookAndFeel("javax.swing.plaf.metal.MetalLookAndFeel");
        PassFailJFrame.builder()
                .title("bug4187996 Instructions")
                .instructions(INSTRUCTIONS)
                .columns(35)
                .testUI(bug4187996::createTestUI)
                .build()
                .awaitAndCheck();
    }

    private static JFrame createTestUI() {
        JFrame frame = new JFrame("bug4187996");
        JMenu submenu = new JMenu("Submenu");
        submenu.add(new JMenuItem("Sub 1"));
        submenu.add(new JMenuItem("Sub 2"));

        JMenu menu = new JMenu("Menu");
        menu.add(submenu);
        menu.add(new JMenuItem("Item 1"));
        menu.add(new JMenuItem("Item 2"));

        JMenuBar mbar = new JMenuBar();
        mbar.add(menu);
        frame.setJMenuBar(mbar);
        frame.setSize(300, 100);
        return frame;
    }
}