russell@unturf.com
0a580b313d
Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com Patches, unit tests, benchmarks, whitepaper, and outreach briefs. Public domain — no copyright claimed. Use freely.
94 lines
3 KiB
Java
94 lines
3 KiB
Java
/*
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* Copyright (c) 2001, 2025, 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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import java.awt.Point;
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import java.awt.Robot;
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import java.awt.event.InputEvent;
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import java.awt.event.KeyEvent;
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import javax.swing.JComboBox;
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import javax.swing.JFrame;
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import javax.swing.SwingUtilities;
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/*
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* @test
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* @bug 4519269
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* @summary Tests that DefaultKeySelectionManager doesn't throw NPE
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* @key headful
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* @run main bug4519269
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*/
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public class bug4519269 {
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static JFrame frame;
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static JComboBox combo;
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static Point p;
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static Object[] data = {new CustomString("Item 1"), new CustomString("Item 2"),
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new CustomString("Item 3"), new CustomString("Item 4")};
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public static void main(String[] args) throws Exception {
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try {
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Robot robot = new Robot();
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robot.setAutoDelay(250);
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SwingUtilities.invokeAndWait(() -> createTestUI());
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robot.waitForIdle();
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robot.delay(1000);
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SwingUtilities.invokeAndWait(() -> p = combo.getLocationOnScreen());
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robot.mouseMove(p.x + 5, p.y + 5);
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robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
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robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
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robot.waitForIdle();
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robot.keyPress(KeyEvent.VK_SHIFT);
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robot.keyRelease(KeyEvent.VK_SHIFT);
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robot.waitForIdle();
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} finally {
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SwingUtilities.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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public static void createTestUI() {
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frame = new JFrame("bug4519269");
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combo = new JComboBox(data);
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frame.getContentPane().add(combo);
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frame.pack();
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frame.setLocationRelativeTo(null);
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frame.setVisible(true);
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}
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static class CustomString {
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String string;
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public CustomString(String s) {
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string = s;
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}
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public String toString() {
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return null;
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}
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}
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}
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