"ctrl+shft+o" causes textcomponent crash after Inserting numbers and spaces

Name: jbT81659 Date: 08/01/2001

OS: All Os's
JDK: jdk1.4.0-b73-betaRefresh2
testcase: textFieldTest.java
Affected class: All JtextComponent classes (JtextArea, JTextField, JTextPane)

Inserting numbers separated by spaces into any TextComponent causes that TextComponent to throw the
following exception:
--------------------
sam@tiger 519: ./run_Xint.sh
java.lang.IllegalArgumentException: bad start (0) or length (-1)
        at sun.awt.font.StandardTextSource.getSubSource(StandardTextSource.java:172)
        at sun.awt.font.ExtendedTextSourceLabel.getSubset(ExtendedTextSourceLabel.java:751)
        at java.awt.font.TextMeasurer.makeComponentsOnRange(TextMeasurer.java:445)
        at java.awt.font.TextMeasurer.makeTextLineOnRange(TextMeasurer.java:476)
        at java.awt.font.TextMeasurer.getLayout(TextMeasurer.java:609)
        at java.awt.font.LineBreakMeasurer.nextLayout(LineBreakMeasurer.java:430)
        at javax.swing.text.TextLayoutStrategy.createView(TextLayoutStrategy.java:200)
        at javax.swing.text.FlowView$FlowStrategy.layoutRow(FlowView.java:443)
        at javax.swing.text.TextLayoutStrategy.layoutRow(TextLayoutStrategy.java:112)
        at javax.swing.text.FlowView$FlowStrategy.layout(FlowView.java:399)
        at javax.swing.text.TextLayoutStrategy.layout(TextLayoutStrategy.java:95)
        at javax.swing.text.FlowView.layout(FlowView.java:185)
        at javax.swing.text.BoxView.setSize(BoxView.java:382)
        at javax.swing.plaf.basic.BasicTextUI$RootView.setSize(BasicTextUI.java:1536)
        at javax.swing.plaf.basic.BasicTextUI$RootView.paint(BasicTextUI.java:1250)
        at javax.swing.plaf.basic.BasicTextUI.paintSafely(BasicTextUI.java:568)
        at javax.swing.plaf.basic.BasicTextUI.paint(BasicTextUI.java:702)
        at javax.swing.plaf.basic.BasicTextUI.update(BasicTextUI.java:681)
        at javax.swing.JComponent.paintComponent(JComponent.java:492)
        at javax.swing.JComponent.paint(JComponent.java:759)
        at javax.swing.JComponent.paintWithOffscreenBuffer(JComponent.java:4674)
        at javax.swing.JComponent.paintDoubleBuffered(JComponent.java:4627)
        at javax.swing.JComponent._paintImmediately(JComponent.java:4571)
        at javax.swing.JComponent.paintImmediately(JComponent.java:4403)
        at javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:407)
        at javax.swing.SystemEventQueueUtilities$ComponentWorkRequest.run(SystemEventQueueUtilities.java:120)
        at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:167)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:437)
        at java.awt.EventDispatchThread.pumpOneEvent(EventDispatchThread.java:150)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:136)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:131)
        at java.awt.EventDispatchThread.run(EventDispatchThread.java:99)

--------------------

To reproduce bug:

1- Choose an OS that has support for arabic/hebrew locale
2- Compile and run the following code "textFieldTest.java"
3- Insert some arabic/hebrew text into the JTextField
4- Do "ctrl+shift+O"
5- Note that no Exceptions are thrown
6- Type some numbers with no spaces like 12345
7- Note that no Exceptions are thrown
8- press the spacebar (to make a space) and type one more number
9- Do "ctrl+shift+o"
10- Note that Exceptions are thrown

---------Code--------------

/* Copyright (c) Sun Microsystems 1998

$Header:$

*/

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

public class textFieldTest extends JApplet
{
        public void init()
        {
                testClass text = new testClass();
                getContentPane().add(text);
        }
        public static void main(String[] argv)
        {
                JFrame frame = new JFrame("\u0645\u062b\u0627\u0644");
                frame.setContentPane(new testClass());
                frame.pack();
                frame.setVisible(true);
        frame.addWindowListener( new WindowAdapter()
        {
             public void windowClosing( WindowEvent e)
             {
                 System.exit(0);
             }
        });

        }
}
class testClass extends JPanel
{
        JTextField tf0;
        public testClass()
        {

                JTextField tf0 = new JTextField(30);
                tf0.setFont(new Font("Lucida Sans Regular",Font.PLAIN,14));
                add(tf0);
        }
}
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