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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 java.awt.AWTException; | ||
import java.lang.reflect.InvocationTargetException; | ||
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import javax.swing.JComboBox; | ||
import javax.swing.JFrame; | ||
import javax.swing.UIManager; | ||
import javax.swing.UnsupportedLookAndFeelException; | ||
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/* | ||
* @test | ||
* @bug 6672644 | ||
* @library /java/awt/regtesthelpers | ||
* @build PassFailJFrame | ||
* @summary Tests JComboBox scrollbar behavior when alt-tabbing | ||
* @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 left click on the down arrow button in the | ||
popup list. While holding left click, the list should be scrolling | ||
down. Press ALT + TAB while holding down left click to switch | ||
focus to a different window. Focus the test frame again and click | ||
the dropdown button for the JComboBox again. The list should 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 | ||
UnsupportedLookAndFeelException, ClassNotFoundException, | ||
InstantiationException, IllegalAccessException, AWTException, | ||
InterruptedException, InvocationTargetException { | ||
UIManager.setLookAndFeel("javax.swing.plaf.metal.MetalLookAndFeel"); | ||
PassFailJFrame | ||
.builder() | ||
.title("JComboBoxScrollFocusTest Test Instructions") | ||
.instructions(INSTRUCTIONS) | ||
.rows((int) INSTRUCTIONS.lines().count() + 2) | ||
.columns(40) | ||
.testUI(JComboBoxScrollFocusTest::createAndShowGUI) | ||
.build() | ||
.awaitAndCheck(); | ||
} | ||
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private static JFrame createAndShowGUI() { | ||
JFrame frame = new JFrame("JComboBoxScrollFocusTest Test Frame"); | ||
JComboBox combobox = new JComboBox(); | ||
for (int i = 0; i< 100; i ++) { | ||
combobox.addItem(String.valueOf(i)); | ||
} | ||
frame.add(combobox); | ||
frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE); | ||
frame.setSize(400, 200); | ||
frame.setLocationRelativeTo(null); | ||
frame.setVisible(true); | ||
return frame; | ||
} | ||
} |