test/jdk/javax/swing/JRadioButton/bug4823809.java

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 *
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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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import javax.swing.JFrame;
import javax.swing.JRadioButton;
import javax.swing.SwingUtilities;
import javax.swing.plaf.ButtonUI;
import javax.swing.plaf.metal.MetalRadioButtonUI;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Rectangle;
import java.awt.Robot;

/*
 * @test
 * @bug 4823809
 * @summary No Mnemonic or Focus Indicator when using HTML for a Component Text
 * @key headful
 * @run main bug4823809
 */

public class bug4823809 {
    private static ButtonUI testUI;
    private static volatile boolean passed = false;
    private static JFrame frame;
    private static Robot robot;

    public static void main(String[] args) throws Exception {
        try {
            robot = new Robot();
            SwingUtilities.invokeAndWait(() -> {
                frame = new JFrame("RadioButton Test");
                testUI = new TestRadioButtonUI();
                JRadioButton radio = new TestRadioButton("<html>This is a radiobutton test!</html>");

                frame.getContentPane().add(radio);
                frame.pack();
                frame.setVisible(true);
            });
            robot.waitForIdle();
            robot.delay(1000);

            if (!passed) {
                throw new Error("Focus isn't painted for JRadioButton with HTML text.");
            }
            System.out.println("Test Passed!");
        } finally {
            SwingUtilities.invokeAndWait(() -> {
                if (frame != null) {
                    frame.dispose();
                }
            });
        }
    }

    static class TestRadioButton extends JRadioButton {
        public TestRadioButton(String s) {
            super(s);
        }

        public void setUI(ButtonUI ui) {
            super.setUI(testUI);
        }
    }

    static class TestRadioButtonUI extends MetalRadioButtonUI {
        protected void paintFocus(Graphics g, Rectangle t, Dimension d) {
            super.paintFocus(g, t, d);
            passed = true;
        }
    }

}