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/*
 * @test
 * @bug 4176136
 * @summary Default close operation JInternalFrame.DO_NOTHING_ON_CLOSE works correctly
 * @library /java/awt/regtesthelpers
 * @build PassFailJFrame
 * @run main/manual bug4176136
 */


import javax.swing.JDesktopPane;
import javax.swing.JFrame;
import javax.swing.JInternalFrame;

public class bug4176136 {

    private static final String INSTRUCTIONS = """
        Click the close button of the internal frame.
        You will see the close button activate,
             but nothing else should happen.
        If the internal frame closes, the test fails.
        If it doesn't close, the test passes.""";

    public static void main(String[] args) throws Exception {
        PassFailJFrame.builder()
                .title("bug4176136 Instructions")
                .instructions(INSTRUCTIONS)
                .columns(25)
                .testUI(bug4176136::createTestUI)
                .build()
                .awaitAndCheck();
    }

    private static JFrame createTestUI() {
        JFrame frame = new JFrame("bug4176136");
        JDesktopPane dp = new JDesktopPane();
        frame.add(dp);
        JInternalFrame inf = new JInternalFrame();
        dp.add(inf);
        inf.setDefaultCloseOperation(JInternalFrame.DO_NOTHING_ON_CLOSE);
        inf.setSize(100, 100);
        inf.setClosable(true);
        inf.setVisible(true);
        frame.setSize(200, 200);
        return frame;
    }
}