71 lines
2.4 KiB
Java
71 lines
2.4 KiB
Java
/*
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* Copyright (c) 2000, 2024, 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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import java.awt.BorderLayout;
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import java.awt.Frame;
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import java.awt.TextArea;
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/*
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* @test
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* @bug 4341196
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* @summary Tests that TextArea can handle more than 64K of text
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* @library /java/awt/regtesthelpers
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* @build PassFailJFrame
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* @run main/manual TextAreaLimit
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*/
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public class TextAreaLimit extends Frame {
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static TextArea text;
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private static final String INSTRUCTIONS = """
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You will see a text area with 40000 lines of text
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each with its own line number. If you see the caret after line 39999
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then test passes. Otherwise it 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("TextAreaLimit")
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.instructions(INSTRUCTIONS)
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.rows((int) INSTRUCTIONS.lines().count() + 2)
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.columns(40)
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.testUI(TextAreaLimit::new)
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.build()
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.awaitAndCheck();
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}
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public TextAreaLimit() {
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setLayout(new BorderLayout());
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text = new TextArea();
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add(text);
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StringBuffer buf = new StringBuffer();
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for (int i = 0; i < 40000; i++) {
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buf.append(i + "\n");
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}
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text.setText(buf.toString());
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text.setCaretPosition(buf.length());
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text.requestFocus();
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setSize(200, 200);
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}
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}
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