1 /* 2 * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 /* 24 * @test 25 * @bug 8182031 26 * @summary Verifies if ComboBox Popup opens and closes immediately 27 * @run main ComboPopupTest 28 */ 29 import java.awt.Container; 30 import java.awt.Dimension; 31 import java.awt.FlowLayout; 32 import java.awt.Point; 33 import java.awt.Robot; 34 import java.awt.event.InputEvent; 35 import javax.swing.JComboBox; 36 import javax.swing.JComponent; 37 import javax.swing.JFrame; 38 import javax.swing.SwingUtilities; 39 40 public class ComboPopupTest { 41 JFrame frame = null; 42 JComboBox<String> comboBox = null; 43 private volatile Point p = null; 44 private volatile Dimension d = null; 45 46 void blockTillDisplayed(JComponent comp) throws Exception { 47 while (p == null) { 48 try { 49 SwingUtilities.invokeAndWait(() -> { 50 p = comp.getLocationOnScreen(); 51 d = comboBox.getSize(); 52 }); 53 } catch (IllegalStateException e) { 54 try { 55 Thread.sleep(1000); 56 } catch (InterruptedException ie) { 57 } 58 } 59 } 60 } 61 62 public static void main(String[] args) throws Exception { 63 new ComboPopupTest(); 64 } 65 66 public ComboPopupTest() throws Exception { 67 try { 68 Robot robot = new Robot(); 69 robot.setAutoDelay(200); 70 SwingUtilities.invokeAndWait(() -> start()); 71 blockTillDisplayed(comboBox); 72 robot.waitForIdle(); 73 robot.mouseMove(p.x + d.width-1, p.y + d.height/2); 74 robot.mousePress(InputEvent.BUTTON1_MASK); 75 robot.mouseRelease(InputEvent.BUTTON1_MASK); 76 robot.waitForIdle(); 77 78 System.out.println("popmenu visible " + comboBox.isPopupVisible()); 79 if (!comboBox.isPopupVisible()) { 80 throw new RuntimeException("combobox popup is not visible"); 81 } 82 } finally { 83 SwingUtilities.invokeAndWait(()->frame.dispose()); 84 } 85 } 86 87 public void start() { 88 frame = new JFrame(); 89 frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); 90 Container contentPane = frame.getContentPane(); 91 comboBox = new JComboBox<String>(new String[] { "Item 1", "Item 2", "Item 3", "Item 4" }); 92 contentPane.setLayout(new FlowLayout()); 93 contentPane.add(comboBox); 94 frame.setLocationRelativeTo(null); 95 frame.pack(); 96 frame.setVisible(true); 97 } 98 } 99