bug6884066.java

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/*
   @test
   @key headful
   @bug 6884066
   @summary JTableHeader listens mouse in disabled state and doesn't work when not attached to a table
   @run main bug6884066
*/

import java.awt.event.InputEvent;
import java.awt.Point;
import java.awt.Robot;
import javax.swing.JFrame;
import javax.swing.JTable;
import javax.swing.table.JTableHeader;
import javax.swing.table.TableColumnModel;
import javax.swing.table.TableColumn;
import javax.swing.SwingUtilities;
import javax.swing.UIManager;

public class bug6884066 {
    private static JFrame frame;
    private static JTableHeader header;
    private static volatile Point point;

    public static void main(String[] args) throws Exception {
        try {
            UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());

            Robot robot = new Robot();
            robot.setAutoDelay(100);
            SwingUtilities.invokeAndWait(new Runnable() {
                public void run() {
                    // just to quickly grab a column model
                    JTable table = new JTable(10, 5);
                    header = new JTableHeader(table.getColumnModel());
                    checkColumn(0, "A");
                    frame = new JFrame("standalone header");
                    frame.add(header);
                    frame.pack();
                    frame.setLocationRelativeTo(null);
                    frame.setVisible(true);
                    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
                }
            });
            robot.waitForIdle();
            robot.delay(1000);
            SwingUtilities.invokeAndWait(() -> {
                point = header.getLocationOnScreen();
            });
            robot.mouseMove(point.x + 3, point.y + 3);
            robot.waitForIdle();
            robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
            for (int i = 0; i < header.getWidth() - 3; i++) {
                robot.mouseMove(point.x + i, point.y + 3);
            }
            robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
            robot.waitForIdle();
            SwingUtilities.invokeAndWait(new Runnable() {
                public void run() {
                    TableColumnModel model = header.getColumnModel();
                    checkColumn(model.getColumnCount() - 1, "A");
                }
            });
        } finally {
            SwingUtilities.invokeAndWait(() -> {
                if (frame != null) {
                    frame.dispose();
                }
            });
        }
    }

    private static void checkColumn(int index, String str) {
        TableColumnModel model = header.getColumnModel();
        Object value = model.getColumn(index).getHeaderValue();
        if (!str.equals(value)) {
            throw new RuntimeException("Unexpected header's value; " +
                    "index = " + index + " value = " + value);
        }
    }
}