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.
71 lines
2.6 KiB
Java
71 lines
2.6 KiB
Java
/*
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* Copyright (c) 2003, 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 4785160
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* @summary Test that the cursor is always visible when typing in JTextArea with JScrollBar
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* @library /java/awt/regtesthelpers
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* @build PassFailJFrame
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* @run main/manual bug4785160
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*/
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import javax.swing.JFrame;
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import javax.swing.JScrollPane;
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import javax.swing.JTextArea;
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public class bug4785160 {
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static final String INSTRUCTIONS = """
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Ensure that the horizontal scrollbar is visible in the JTextArea.
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If necessary, reduce the width of the window so that the scrollbar becomes visible.
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Scroll all the way to the right so the end of the line is visible.
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If necessary, move the text caret in the text area to the end of line.
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The test PASSES if the caret is visible at the end of the line.
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The test FAILS if the caret disappears when moved to the end of the line.
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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("bug4785160 Test Instructions")
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.instructions(INSTRUCTIONS)
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.columns(50)
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.testUI(bug4785160::createUI)
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.build()
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.awaitAndCheck();
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}
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static JFrame createUI() {
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JFrame frame = new JFrame("bug4785160");
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JTextArea area = new JTextArea();
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String s = "";
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for (int i = 0; i < 80; i++) {
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s += "m";
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}
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area.setText(s);
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area.getCaret().setDot(area.getText().length() + 1);
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frame.add(new JScrollPane(area));
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frame.setSize(300, 300);
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return frame;
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}
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}
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