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import java.awt.FlowLayout;

import java.awt.Frame;

import java.awt.Panel;

import java.awt.Point;

import java.awt.Robot;

import java.awt.TextField;

import java.awt.event.InputEvent;

/**

 * @test

 * @bug 8036110

 * @author Alexander Scherbatiy

 * @summary In TextField can only select text visible or to the left

 * @run main SelectionInvisibleTest

 */

public class SelectionInvisibleTest {

    private static final String TEXT = "One Two Three Four Five Six Seven Eight Nine ";

    private static final String LAST_WORD = "Ten";

    public static void main(String[] args) throws Exception {

        Frame frame = new Frame();

        frame.setSize(300, 200);

        TextField textField = new TextField(TEXT + LAST_WORD, 30);

        Panel panel = new Panel(new FlowLayout());

        panel.add(textField);

        frame.add(panel);

        frame.setVisible(true);

        Robot robot = new Robot();

        robot.setAutoDelay(50);

        robot.waitForIdle();

        Point point = textField.getLocationOnScreen();

        int x = point.x + textField.getWidth() / 2;

        int y = point.y + textField.getHeight() / 2;

        robot.mouseMove(x, y);

        robot.mousePress(InputEvent.BUTTON1_MASK);

        robot.mouseRelease(InputEvent.BUTTON1_MASK);

        robot.waitForIdle();

        robot.mousePress(InputEvent.BUTTON1_MASK);

        int N = 10;

        int dx = textField.getWidth() / N;

        for (int i = 0; i < N; i++) {

            x += dx;

            robot.mouseMove(x, y);

        }

        robot.mouseRelease(InputEvent.BUTTON1_MASK);

        robot.waitForIdle();

        if (!textField.getSelectedText().endsWith(LAST_WORD)) {

            throw new RuntimeException("Last word is not selected!");

        }

    }

}