8014863: Line break calculations in Java 7 are incorrect.
Reviewed-by: alexp, alexsch
Contributed-by: Dmitry Markov <dmitry.markov@oracle.com>
--- a/jdk/src/share/classes/javax/swing/text/View.java Wed May 29 12:10:49 2013 +0400
+++ b/jdk/src/share/classes/javax/swing/text/View.java Wed May 29 18:40:02 2013 +0400
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -1174,6 +1174,7 @@
// formed by added elements (i.e. they will be updated
// by initialization.
index0 = Math.max(index0, 0);
+ index1 = getViewIndex(elem.getDocument().getLength(), Position.Bias.Forward);
for (int i = index0; i <= index1; i++) {
if (! ((i >= hole0) && (i <= hole1))) {
v = getView(i);
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/javax/swing/text/View/8014863/bug8014863.java Wed May 29 18:40:02 2013 +0400
@@ -0,0 +1,146 @@
+/*
+ * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+ * @test
+ * @bug 8014863
+ * @summary Tests the calculation of the line breaks when a text is inserted
+ * @author Dmitry Markov
+ * @library ../../../regtesthelpers
+ * @build Util
+ * @run main bug8014863
+ */
+
+import sun.awt.SunToolkit;
+
+import javax.swing.*;
+import javax.swing.text.html.HTMLEditorKit;
+import java.awt.*;
+import java.awt.event.KeyEvent;
+
+public class bug8014863 {
+
+ private static JEditorPane editorPane;
+ private static Robot robot;
+ private static SunToolkit toolkit;
+
+ public static void main(String[] args) throws Exception {
+ toolkit = (SunToolkit) Toolkit.getDefaultToolkit();
+ robot = new Robot();
+
+ createAndShowGUI();
+
+ toolkit.realSync();
+
+ Util.hitKeys(robot, KeyEvent.VK_HOME);
+ Util.hitKeys(robot, KeyEvent.VK_O);
+
+ toolkit.realSync();
+
+ if (3 != getNumberOfTextLines()) {
+ throw new RuntimeException("The number of texts lines does not meet the expectation");
+ }
+
+ Util.hitKeys(robot, KeyEvent.VK_N);
+
+ toolkit.realSync();
+
+ if (3 != getNumberOfTextLines()) {
+ throw new RuntimeException("The number of texts lines does not meet the expectation");
+ }
+
+ Util.hitKeys(robot, KeyEvent.VK_E);
+ Util.hitKeys(robot, KeyEvent.VK_SPACE);
+ Util.hitKeys(robot, KeyEvent.VK_T);
+ Util.hitKeys(robot, KeyEvent.VK_W);
+
+ toolkit.realSync();
+
+ if (3 != getNumberOfTextLines()) {
+ throw new RuntimeException("The number of texts lines does not meet the expectation");
+ }
+ }
+
+ private static int getNumberOfTextLines() throws Exception {
+ int numberOfLines = 0;
+ int caretPosition = getCaretPosition();
+ int current = 1;
+ int previous;
+
+ setCaretPosition(current);
+ do {
+ previous = current;
+ Util.hitKeys(robot, KeyEvent.VK_DOWN);
+ toolkit.realSync();
+ current = getCaretPosition();
+ numberOfLines++;
+ } while (current != previous);
+
+ setCaretPosition(caretPosition);
+ return numberOfLines;
+ }
+
+ private static int getCaretPosition() throws Exception {
+ final int[] result = new int[1];
+ SwingUtilities.invokeAndWait(new Runnable() {
+ public void run() {
+ result[0] = editorPane.getCaretPosition();
+ }
+ });
+ return result[0];
+ }
+
+ private static void setCaretPosition(final int position) throws Exception {
+ SwingUtilities.invokeAndWait(new Runnable() {
+ public void run() {
+ editorPane.setCaretPosition(position);
+ }
+ });
+ }
+
+ private static void createAndShowGUI() throws Exception {
+ SwingUtilities.invokeAndWait(new Runnable() {
+ public void run() {
+ try {
+ UIManager.setLookAndFeel("javax.swing.plaf.metal.MetalLookAndFeel");
+ } catch (Exception ex) {
+ throw new RuntimeException(ex);
+ }
+ JFrame frame = new JFrame();
+ frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+
+ editorPane = new JEditorPane();
+ HTMLEditorKit editorKit = new HTMLEditorKit();
+ editorPane.setEditorKit(editorKit);
+ editorPane.setText("<p>qqqq <em>pp</em> qqqq <em>pp</em> " +
+ "qqqq <em>pp</em> qqqq <em>pp</em> qqqq <em>pp</em> qqqq <em>pp" +
+ "</em> qqqq <em>pp</em> qqqq <em>pp</em> qqqq <em>pp</em> qqqq</p>");
+ editorPane.setCaretPosition(1);
+
+ frame.add(editorPane);
+ frame.setSize(200, 200);
+ frame.setVisible(true);
+ }
+ });
+ }
+}