241 lines
8.2 KiB
Java
241 lines
8.2 KiB
Java
/*
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* Copyright (c) 2012, 2017, 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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* @key headful
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* @bug 4697612 6244705 7190581
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* @run main bug4697612
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*/
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import java.awt.Rectangle;
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import java.awt.Dimension;
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import java.io.InputStream;
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import java.awt.Robot;
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import java.awt.event.KeyEvent;
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import java.io.IOException;
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import java.io.InputStreamReader;
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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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import javax.swing.LookAndFeel;
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import javax.swing.SwingUtilities;
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import javax.swing.UIManager;
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import javax.swing.UnsupportedLookAndFeelException;
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import javax.swing.text.BadLocationException;
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public class bug4697612 {
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static final int FRAME_WIDTH = 300;
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static final int FRAME_HEIGHT = 300;
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static final int FONT_HEIGHT = 16;
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private static volatile int frameHeight;
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private static volatile int fontHeight;
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private static JFrame frame;
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private static JTextArea text;
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private static JScrollPane scroller;
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private static Robot robot;
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private static void setLookAndFeel(final UIManager.LookAndFeelInfo laf) {
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try {
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UIManager.setLookAndFeel(laf.getClassName());
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} catch (ClassNotFoundException | InstantiationException |
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UnsupportedLookAndFeelException | IllegalAccessException e) {
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throw new RuntimeException(e);
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}
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}
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public static void main(String[] args) throws Throwable {
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robot = new Robot();
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robot.setAutoDelay(100);
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for (UIManager.LookAndFeelInfo laf : UIManager.getInstalledLookAndFeels()) {
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try {
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SwingUtilities.invokeAndWait(() -> setLookAndFeel(laf));
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System.out.println("Test for LookAndFeel " + laf.getClassName());
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new bug4697612();
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System.out.println("Test passed for LookAndFeel " + laf.getClassName());
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} catch (Exception e) {
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throw new RuntimeException(e);
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}
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}
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}
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public bug4697612() throws Exception {
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try {
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SwingUtilities.invokeAndWait(new Runnable() {
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@Override
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public void run() {
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createAndShowGUI();
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}
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});
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robot.waitForIdle();
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SwingUtilities.invokeAndWait(new Runnable() {
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@Override
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public void run() {
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text.requestFocus();
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}
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});
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robot.waitForIdle();
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// 4697612: pressing PgDn + PgUp should not alter caret position
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robot.keyPress(KeyEvent.VK_HOME);
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robot.keyRelease(KeyEvent.VK_HOME);
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robot.keyPress(KeyEvent.VK_PAGE_DOWN);
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robot.keyRelease(KeyEvent.VK_PAGE_DOWN);
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robot.waitForIdle();
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int pos0 = getTextCaretPosition();
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int caretHeight = getTextCaretHeight();
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fontHeight = FONT_HEIGHT;
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// iterate two times, for different (even and odd) font height
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for (int i = 0; i < 2; i++) {
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SwingUtilities.invokeAndWait(new Runnable() {
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public void run() {
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text.setFont(text.getFont().deriveFont(fontHeight));
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}
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});
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frameHeight = FRAME_HEIGHT;
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for (int j = 0; j < caretHeight; j++) {
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SwingUtilities.invokeAndWait(new Runnable() {
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public void run() {
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frame.setSize(FRAME_WIDTH, frameHeight);
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}
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});
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robot.waitForIdle();
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robot.keyPress(KeyEvent.VK_PAGE_DOWN);
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robot.keyRelease(KeyEvent.VK_PAGE_DOWN);
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robot.keyPress(KeyEvent.VK_PAGE_UP);
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robot.keyRelease(KeyEvent.VK_PAGE_UP);
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robot.waitForIdle();
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int pos = getTextCaretPosition();
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if (pos0 != pos) {
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throw new RuntimeException("Failed 4697612: PgDn & PgUp keys scroll by different amounts");
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}
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frameHeight++;
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}
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fontHeight++;
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}
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// 6244705: pressing PgDn at the very bottom should not scroll
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LookAndFeel laf = UIManager.getLookAndFeel();
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if (laf.getID().equals("Aqua")) {
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robot.keyPress(KeyEvent.VK_END);
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robot.keyRelease(KeyEvent.VK_END);
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} else {
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robot.keyPress(KeyEvent.VK_CONTROL);
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robot.keyPress(KeyEvent.VK_END);
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robot.keyRelease(KeyEvent.VK_END);
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robot.keyRelease(KeyEvent.VK_CONTROL);
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}
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robot.waitForIdle();
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robot.delay(1000);
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pos0 = getScrollerViewPosition();
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robot.keyPress(KeyEvent.VK_PAGE_DOWN);
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robot.keyRelease(KeyEvent.VK_PAGE_DOWN);
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robot.waitForIdle();
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int pos = getScrollerViewPosition();
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if (pos0 != pos) {
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System.out.println("pos0 " + pos0 + " pos " + pos);
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throw new RuntimeException("Failed 6244705: PgDn at the bottom causes scrolling");
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}
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} finally {
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SwingUtilities.invokeAndWait(() -> frame.dispose());
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}
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}
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private static int getTextCaretPosition() throws Exception {
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final int[] result = new int[1];
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SwingUtilities.invokeAndWait(new Runnable() {
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@Override
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public void run() {
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result[0] = text.getCaretPosition();
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}
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});
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return result[0];
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}
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private static int getTextCaretHeight() throws Exception {
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final int[] result = new int[1];
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SwingUtilities.invokeAndWait(new Runnable() {
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@Override
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public void run() {
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try {
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int pos0 = text.getCaretPosition();
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Rectangle dotBounds = text.modelToView(pos0);
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result[0] = dotBounds.height;
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} catch (BadLocationException ex) {
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throw new RuntimeException(ex);
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}
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}
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});
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return result[0];
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}
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private static int getScrollerViewPosition() throws Exception {
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final int[] result = new int[1];
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SwingUtilities.invokeAndWait(new Runnable() {
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@Override
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public void run() {
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result[0] = scroller.getViewport().getViewPosition().y;
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}
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});
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return result[0];
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}
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private static void createAndShowGUI() {
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frame = new JFrame();
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frame.setSize(FRAME_WIDTH, FRAME_HEIGHT);
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frame.setPreferredSize(new Dimension(FRAME_WIDTH, FRAME_HEIGHT));
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frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
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text = new JTextArea();
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try {
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InputStream is =
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bug4697612.class.getResourceAsStream("bug4697612.txt");
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text.read(new InputStreamReader(is), null);
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} catch (IOException e) {
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throw new Error(e);
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}
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scroller = new JScrollPane(text);
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frame.getContentPane().add(scroller);
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frame.pack();
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frame.setVisible(true);
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}
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}
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