114 lines
3.6 KiB
Java
114 lines
3.6 KiB
Java
/*
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* Copyright (c) 2003, 2023, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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@test
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@bug 4100671
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@summary Tests that after removing/adding a component can be still access.
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@key headful
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*/
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import java.awt.Button;
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import java.awt.Dimension;
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import java.awt.EventQueue;
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import java.awt.Frame;
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import java.awt.Point;
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import java.awt.Robot;
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import java.awt.ScrollPane;
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import java.awt.event.ActionListener;
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import java.awt.event.ActionEvent;
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import java.awt.event.InputEvent;
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import java.util.concurrent.CountDownLatch;
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import java.util.concurrent.TimeUnit;
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public class ScrollPaneRemoveAdd {
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Button button;
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ScrollPane pane;
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Frame frame;
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volatile Point buttonLoc;
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volatile Dimension buttonSize;
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volatile CountDownLatch latch;
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public static void main(String[] args) throws Exception {
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ScrollPaneRemoveAdd scrollTest = new ScrollPaneRemoveAdd();
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scrollTest.init();
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scrollTest.start();
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}
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public void init() throws Exception {
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EventQueue.invokeAndWait(() -> {
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frame = new Frame("Scroll pane Add/Remove");
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pane = new ScrollPane(ScrollPane.SCROLLBARS_ALWAYS);
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button = new Button("press");
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latch = new CountDownLatch(1);
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pane.add(button);
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frame.add(pane);
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button.addActionListener(new ActionListener() {
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public void actionPerformed(ActionEvent e) {
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latch.countDown();
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}
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});
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frame.pack();
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frame.setLocationRelativeTo(null);
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frame.setAlwaysOnTop(true);
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frame.setVisible(true);
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});
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}
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public void start() throws Exception {
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try {
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EventQueue.invokeAndWait(() -> {
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pane.remove(0);
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pane.add(button);
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buttonLoc = button.getLocationOnScreen();
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buttonSize = button.getSize();
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});
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Robot robot = new Robot();
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robot.waitForIdle();
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robot.delay(1000);
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robot.mouseMove(buttonLoc.x + buttonSize.width / 2,
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buttonLoc.y + buttonSize.height / 2);
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robot.delay(50);
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robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
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robot.delay(50);
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robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
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if (!latch.await(1, TimeUnit.SECONDS)) {
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throw new RuntimeException("ScrollPane doesn't handle " +
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"correctly add after remove");
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}
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} finally {
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EventQueue.invokeAndWait(() -> {
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if (frame != null) {
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frame.dispose();
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}
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});
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}
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}
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}
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