test/jdk/javax/swing/JOptionPane/bug8024926.java

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import java.awt.BorderLayout;
import java.awt.Dialog;
import java.awt.EventQueue;
import java.awt.Frame;
import java.awt.TextArea;
import javax.swing.JDialog;
import javax.swing.JOptionPane;
import javax.swing.SwingUtilities;

/**
 * @test
 * @bug 8024926 8040279
 * @requires (os.family == "mac")
 * @summary [macosx] AquaIcon HiDPI support
 * @library /java/awt/regtesthelpers
 * @build PassFailJFrame
 * @run main/manual bug8024926
 */
public class bug8024926 {

    private static final String INSTRUCTIONS = """
                Verify that high resolution system icons are used
                 in JOptionPane on HiDPI displays.
                1) Run the test on Retina display or enable the Quartz Debug
                 and select the screen resolution with (HiDPI) label.
                "2) Check that the error icon on the JOptionPane is smooth.
                "If so, press PASS, else press FAIL.""";

    public static void main(String[] args) throws Exception {
         PassFailJFrame.builder()
                .title("AquaIcon HIDPI Instructions")
                .instructions(INSTRUCTIONS)
                .rows(10)
                .columns(35)
                .testUI(bug8024926::createTestUI)
                .build()
                .awaitAndCheck();
    }

    private static JDialog createTestUI() {
        JOptionPane optionPane = new JOptionPane("High resolution icon test");
        optionPane.setMessage("Icons should have high resolutions");
        optionPane.setMessageType(JOptionPane.ERROR_MESSAGE);
        JDialog dialog = new JDialog();
        dialog.setContentPane(optionPane);
        dialog.pack();
        return dialog;
    }
}