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/*
* Copyright (c) 1998, 2025, 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.
*/
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JPanel;
/*
* @test
* @bug 4135833
* @summary Tests that JComboBox draws correctly if the first item in list is an empty string
* @library /java/awt/regtesthelpers
* @build PassFailJFrame
* @run main/manual bug4135833
*/
public class bug4135833 {
private static final String INSTRUCTIONS = """
Press the combo box. If the popup is readable and appears to be sized properly,
then it passes. The First item is blank intentionally.
""";
public static void main(String[] args) throws Exception {
PassFailJFrame.builder()
.title("Instructions")
.instructions(INSTRUCTIONS)
.columns(50)
.testUI(bug4135833::createTestUI)
.build()
.awaitAndCheck();
}
public static JFrame createTestUI() {
JFrame frame = new JFrame("bug4135833");
JPanel panel = new JPanel();
JComboBox comboBox = new JComboBox(new Object[]{"", "Bob", "Hank", "Joe", "Fred"});
panel.add(comboBox);
frame.add(panel);
frame.pack();
return frame;
}
}
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