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import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.UIManager;

/*
 * @test
 * @bug 4171819
 * @summary Tests that JComboBox uses a lower bevel border in windows
 * @requires (os.family == "windows")
 * @library /java/awt/regtesthelpers
 * @build PassFailJFrame
 * @run main/manual bug4171819
 */

public class bug4171819 {
    static boolean lafOk = true;

    private static final String INSTRUCTIONS = """
            This test is for Windows L&F only. If you see
            "No Windows L&F installed" label just press "Pass".

            Look at the combo box.  If the border around it looks like it's
            lowered rather than raised, it passes the test.
            """;

    public static void main(String[] args) throws Exception {
        PassFailJFrame.builder()
                .title("Instructions")
                .instructions(INSTRUCTIONS)
                .columns(50)
                .testUI(bug4171819::createTestUI)
                .build()
                .awaitAndCheck();
    }

    public static JFrame createTestUI() {
        try {
            UIManager.setLookAndFeel("com.sun.java.swing.plaf.windows.WindowsLookAndFeel");
            System.out.println("succeeded");
        } catch (Exception e) {
            System.err.println("Couldn't load the Windows Look and Feel");
            lafOk = false;
        }

        JFrame frame = new JFrame("bug4171819");
        JPanel panel = new JPanel();
        JComboBox comboBox;

        if (lafOk) {
            comboBox = new JComboBox(new Object[]{
                    "Coma Berenices",
                    "Triangulum",
                    "Camelopardis",
                    "Cassiopea"});
            panel.add(comboBox);
        } else {
            JLabel label = new JLabel("No Windows L&F installed");
            panel.add(label);
        }
        frame.add(panel);
        frame.pack();
        return frame;
    }
}