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/*
 * @test
 * @bug 4186347
 * @summary Tests changing Slider.horizontalThumbIcon UIResource
 * @library /java/awt/regtesthelpers
 * @build PassFailJFrame
 * @run main/manual bug4186347
 */

import javax.swing.Icon;
import javax.swing.ImageIcon;
import javax.swing.JFrame;
import javax.swing.JSlider;
import javax.swing.UIDefaults;
import javax.swing.UIManager;
import javax.swing.plaf.IconUIResource;

public class bug4186347 {
    static final String INSTRUCTIONS = """
        If the slider's thumb icon is painted correctly
        (that is centered vertically relative to slider
        channel) then test passed, otherwise it failed.
    """;

    public static void main(String[] args) throws Exception {
        // Set Metal L&F
        UIManager.setLookAndFeel("javax.swing.plaf.metal.MetalLookAndFeel");
        PassFailJFrame.builder()
                .title("bug4186347 Test Instructions")
                .instructions(INSTRUCTIONS)
                .columns(40)
                .testUI(bug4186347::createUI)
                .build()
                .awaitAndCheck();
    }

    static JFrame createUI() {
        JFrame frame = new JFrame("Metal JSlider Icon Test");
        String a = System.getProperty("test.src", ".")
                + System.getProperty("file.separator")
                + "duke.gif";
        Icon icon = new ImageIcon(a);
        IconUIResource iconResource = new IconUIResource(icon);
        UIDefaults defaults = UIManager.getDefaults();
        defaults.put("Slider.horizontalThumbIcon", iconResource);
        JSlider s = new JSlider();
        frame.getContentPane().add(s);
        frame.setSize(250, 150);
        return frame;
    }
}