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/*
* Copyright (c) 2006, 2023, 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.
*/
/*
@test
@bug 6373369
@summary Bug in WListPeer.getMaxWidth(), checks that the preferred width
of the list is calculated correctly
@requires (os.family == "windows")
@key headful
@run main MaxWidthTest
*/
import java.awt.BorderLayout;
import java.awt.EventQueue;
import java.awt.Frame;
import java.awt.FontMetrics;
import java.awt.List;
import java.awt.TextArea;
import java.awt.Toolkit;
public class MaxWidthTest {
static Frame frame;
public static void main(String[] args) throws Exception {
try {
EventQueue.invokeAndWait(() -> {
frame = new Frame("MaxWidthTest");
frame.setLayout(new BorderLayout());
List list = new List();
list.add("Very very very long string - the actual width more than the minimum width !!!");
frame.add(BorderLayout.WEST, list);
frame.add(BorderLayout.CENTER, new TextArea());
frame.setBounds(200, 200, 200, 200);
frame.pack();
frame.setVisible(true);
// as WListPeer.minimumSize() - just predefined value
FontMetrics fm = frame.getFontMetrics(list.getFont());
int minimum = 20 + fm.stringWidth("0123456789abcde");
// as WListPeer.preferredSize() - equals to Max.max(minimum,getMaxWidth()+20)
// getMaxWidth() returns the actual size of the list
int preferred = list.getPreferredSize().width;
System.out.println(preferred + "," + minimum);
if (preferred <= minimum) {
throw new RuntimeException("Test failed because the actual width more than the minimum width.");
}
});
} finally {
EventQueue.invokeAndWait(() -> {
if (frame != null) {
frame.dispose();
}
});
}
}
}
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