79 lines
2.6 KiB
Java
79 lines
2.6 KiB
Java
/*
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* Copyright (c) 1999, 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 4284124
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@summary FlowLayout gives a wrong size if the first component is hidden.
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@key headful
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@run main PreferredLayoutSize
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*/
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import java.awt.Button;
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import java.awt.Dimension;
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import java.awt.EventQueue;
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import java.awt.FlowLayout;
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import java.awt.Frame;
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import java.lang.reflect.InvocationTargetException;
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public class PreferredLayoutSize {
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public void start() {
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Frame f = new Frame("PreferredLayoutSize");
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int[] widths = new int[2];
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try {
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f.setLocationRelativeTo(null);
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Button b1 = new Button("button 1");
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Button b2 = new Button("button 2");
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f.setLayout(new FlowLayout(FlowLayout.LEFT, 50, 5));
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f.add(b1);
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f.add(b2);
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f.pack();
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f.setVisible(true);
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b1.setVisible(false);
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b2.setVisible(true);
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Dimension d1 = f.getPreferredSize();
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Dimension d2 = b2.getPreferredSize();
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widths[0] = d1.width - d2.width;
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b1.setVisible(true);
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b2.setVisible(false);
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d1 = f.getPreferredSize();
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d2 = b1.getPreferredSize();
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widths[1] = d1.width - d2.width;
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f.setVisible(false);
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} finally {
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f.dispose();
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}
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if (widths[0] != widths[1]) {
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throw new RuntimeException("Test FAILED");
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}
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}
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public static void main(String[] args) throws InterruptedException,
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InvocationTargetException {
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PreferredLayoutSize test = new PreferredLayoutSize();
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EventQueue.invokeAndWait(test::start);
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}
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}
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