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6672644: JComboBox still scrolling if switch to another window and re…
…turn back Reviewed-by: abhiscxk, psadhukhan
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Damon Nguyen
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Nov 22, 2024
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test/jdk/javax/swing/JComboBox/JComboBoxScrollFocusTest.java
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/* | ||
* Copyright (c) 2024, Oracle and/or its affiliates. All rights reserved. | ||
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | ||
* | ||
* This code is free software; you can redistribute it and/or modify it | ||
* under the terms of the GNU General Public License version 2 only, as | ||
* published by the Free Software Foundation. | ||
* | ||
* This code is distributed in the hope that it will be useful, but WITHOUT | ||
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | ||
* version 2 for more details (a copy is included in the LICENSE file that | ||
* accompanied this code). | ||
* | ||
* You should have received a copy of the GNU General Public License version | ||
* 2 along with this work; if not, write to the Free Software Foundation, | ||
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | ||
* | ||
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | ||
* or visit www.oracle.com if you need additional information or have any | ||
* questions. | ||
*/ | ||
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import javax.swing.JComboBox; | ||
import javax.swing.JFrame; | ||
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/* | ||
* @test | ||
* @bug 6672644 | ||
* @library /java/awt/regtesthelpers | ||
* @build PassFailJFrame | ||
* @summary Tests JComboBox scrollbar behavior when alt-tabbing | ||
* @requires os.family != "mac" | ||
* @run main/manual JComboBoxScrollFocusTest | ||
*/ | ||
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public class JComboBoxScrollFocusTest { | ||
private static final String INSTRUCTIONS = | ||
""" | ||
Click on the dropdown button for the JComboBox in the test frame. | ||
Then, press and hold the left click button on the down arrow button | ||
in the popup list. While holding the left click button, the list | ||
should be scrolling down. Press ALT + TAB while holding down the | ||
left click to switch focus to a different window. Then release the | ||
left click button. Focus the test frame again and click the | ||
dropdown button for the JComboBox again. The list should be | ||
stationary and not be automatically scrolling. | ||
If you are able to execute all steps successfully then the test | ||
passes, otherwise it fails. | ||
"""; | ||
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public static void main(String[] args) throws Exception { | ||
PassFailJFrame | ||
.builder() | ||
.title("JComboBoxScrollFocusTest Test Instructions") | ||
.instructions(INSTRUCTIONS) | ||
.columns(40) | ||
.testUI(JComboBoxScrollFocusTest::createAndShowGUI) | ||
.build() | ||
.awaitAndCheck(); | ||
} | ||
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private static JFrame createAndShowGUI() { | ||
JFrame frame = new JFrame("JComboBoxScrollFocusTest Test Frame"); | ||
JComboBox<String> combobox = new JComboBox<>(); | ||
for (int i = 0; i < 100; i++) { | ||
combobox.addItem(String.valueOf(i)); | ||
} | ||
frame.add(combobox); | ||
frame.setSize(400, 200); | ||
frame.setLocationRelativeTo(null); | ||
return frame; | ||
} | ||
} |
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