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 /** 25 * @test 26 * @bug 8182031 27 * @summary Verifies if ComboBox Popup opens and closes immediately 28 * @key headful 29 * @run main ComboPopupTest 30 */ 31 32 import java.awt.Container; 33 import java.awt.Dimension; 34 import java.awt.FlowLayout; 35 import java.awt.Point; 36 import java.awt.Robot; 37 import java.awt.event.InputEvent; 38 import javax.swing.JComboBox; 39 import javax.swing.JComponent; 40 import javax.swing.JFrame; 41 import javax.swing.SwingUtilities; 42 43 public class ComboPopupTest { 44 JFrame frame = null; 45 JComboBox<String> comboBox = null; 46 private volatile Point p = null; 47 private volatile Dimension d = null; 48 49 void blockTillDisplayed(JComponent comp) throws Exception { 50 while (p == null) { 51 try { 52 SwingUtilities.invokeAndWait(() -> { 53 p = comp.getLocationOnScreen(); 54 d = comboBox.getSize(); 55 }); 56 } catch (IllegalStateException e) { 57 try { 58 Thread.sleep(1000); 59 } catch (InterruptedException ie) { 60 } 61 } 62 } 63 } 64 65 public static void main(String[] args) throws Exception { 66 new ComboPopupTest(); 67 } 68 69 public ComboPopupTest() throws Exception { 70 try { 71 Robot robot = new Robot(); 72 robot.setAutoDelay(200); 73 SwingUtilities.invokeAndWait(() -> start()); 74 blockTillDisplayed(comboBox); 75 robot.waitForIdle(); 76 robot.mouseMove(p.x + d.width-1, p.y + d.height/2); 77 robot.mousePress(InputEvent.BUTTON1_MASK); 78 robot.mouseRelease(InputEvent.BUTTON1_MASK); 79 robot.waitForIdle(); 80 81 System.out.println("popmenu visible " + comboBox.isPopupVisible()); 82 if (!comboBox.isPopupVisible()) { 83 throw new RuntimeException("combobox popup is not visible"); 84 } 85 } finally { 86 if (frame != null) { SwingUtilities.invokeAndWait(()->frame.dispose()); } 87 } 88 } 89 90 public void start() { 91 frame = new JFrame(); 92 frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); 93 Container contentPane = frame.getContentPane(); 94 comboBox = new JComboBox<String>(new String[] { "Item 1", "Item 2", "Item 3", "Item 4" }); 95 contentPane.setLayout(new FlowLayout()); 96 contentPane.add(comboBox); 97 frame.setLocationRelativeTo(null); 98 frame.pack(); 99 frame.setVisible(true); 100 } 101 } 102