russell@unturf.com
0a580b313d
Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com Patches, unit tests, benchmarks, whitepaper, and outreach briefs. Public domain — no copyright claimed. Use freely.
78 lines
2.8 KiB
Java
78 lines
2.8 KiB
Java
/*
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* Copyright (c) 2001, 2025, 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 4474400
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* @summary Tests JTextArea wrapping with font change
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* @library /java/awt/regtesthelpers
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* @build PassFailJFrame
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* @run main/manual bug4474400
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*/
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import java.awt.BorderLayout;
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import java.awt.Dimension;
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import java.awt.Font;
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import javax.swing.JButton;
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import javax.swing.JComponent;
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import javax.swing.JPanel;
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import javax.swing.JTextArea;
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public class bug4474400 {
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private static final String INSTRUCTIONS = """
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Press the "Change Font" button. The two lines of text should be
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properly drawn using the larger font, there should be empty line
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between them. If display is garbled, test fails.
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""";
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public static void main(String[] args) throws Exception {
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PassFailJFrame.builder()
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.title("bug4474400 Instructions")
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.instructions(INSTRUCTIONS)
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.columns(40)
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.splitUIRight(bug4474400::createTestUI)
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.build()
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.awaitAndCheck();
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}
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private static JComponent createTestUI() {
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Font smallFont = new Font("SansSerif", Font.PLAIN, 12);
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Font largeFont = new Font("SansSerif", Font.PLAIN, 36);
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JTextArea textArea = new JTextArea("This is the first line\n\nThis is the third line");
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textArea.setFont(smallFont);
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textArea.setEditable(false);
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textArea.setLineWrap(true);
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textArea.setWrapStyleWord(true);
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JButton b = new JButton("Change Font");
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b.addActionListener((e) -> textArea.setFont(largeFont));
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JPanel panel = new JPanel(new BorderLayout());
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panel.setPreferredSize(new Dimension(200, 300));
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panel.add(textArea, BorderLayout.CENTER);
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panel.add(b, BorderLayout.SOUTH);
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return panel;
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}
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}
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