80 lines
2.9 KiB
Java
80 lines
2.9 KiB
Java
/*
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* Copyright (c) 2006, 2023, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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@test
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@bug 6373369
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@summary Bug in WListPeer.getMaxWidth(), checks that the preferred width
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of the list is calculated correctly
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@requires (os.family == "windows")
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@key headful
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@run main MaxWidthTest
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*/
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import java.awt.BorderLayout;
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import java.awt.EventQueue;
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import java.awt.Frame;
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import java.awt.FontMetrics;
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import java.awt.List;
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import java.awt.TextArea;
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import java.awt.Toolkit;
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public class MaxWidthTest {
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static Frame frame;
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public static void main(String[] args) throws Exception {
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try {
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EventQueue.invokeAndWait(() -> {
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frame = new Frame("MaxWidthTest");
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frame.setLayout(new BorderLayout());
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List list = new List();
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list.add("Very very very long string - the actual width more than the minimum width !!!");
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frame.add(BorderLayout.WEST, list);
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frame.add(BorderLayout.CENTER, new TextArea());
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frame.setBounds(200, 200, 200, 200);
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frame.pack();
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frame.setVisible(true);
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// as WListPeer.minimumSize() - just predefined value
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FontMetrics fm = frame.getFontMetrics(list.getFont());
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int minimum = 20 + fm.stringWidth("0123456789abcde");
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// as WListPeer.preferredSize() - equals to Max.max(minimum,getMaxWidth()+20)
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// getMaxWidth() returns the actual size of the list
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int preferred = list.getPreferredSize().width;
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System.out.println(preferred + "," + minimum);
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if (preferred <= minimum) {
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throw new RuntimeException("Test failed because the actual width more than the minimum width.");
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}
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});
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} finally {
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EventQueue.invokeAndWait(() -> {
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if (frame != null) {
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frame.dispose();
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}
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});
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}
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}
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}
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