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/*
 * @test
 * @bug 5045464
 * @requires (os.family == "linux")
 * @summary Regression: GTK L&F, JFileChooser shows "null/" in folder list
 * @library /java/awt/regtesthelpers
 * @build PassFailJFrame
 * @run main/manual bug5045464
 */

import javax.swing.JComponent;
import javax.swing.JFileChooser;
import javax.swing.SwingUtilities;
import javax.swing.UIManager;

public class bug5045464 {
    private static final String INSTRUCTIONS = """
            When the filechooser appears check the directory list (the left list).
            If it starts with two items: "./" (current directory)
            and "../" (parent directory) press PASS.
            If something else is here (e.g. "null/" instead of "./")
            press FAIL.
            """;

    public static void main(String[] argv) throws Exception {
        PassFailJFrame.builder()
                .instructions(INSTRUCTIONS)
                .columns(40)
                .testUI(bug5045464::createTestUI)
                .build()
                .awaitAndCheck();
    }

    private static JComponent createTestUI() {
        JFileChooser fc = new JFileChooser();
        fc.setControlButtonsAreShown(false);
        try {
         UIManager.setLookAndFeel("com.sun.java.swing.plaf.gtk.GTKLookAndFeel");
        } catch (Exception ex) {
        throw new RuntimeException("Test Failed!", ex);
        }
        SwingUtilities.updateComponentTreeUI(fc);
        return fc;
    }
}