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7104012: AIOOBE from RuleBasedBreakIterator.lookupState for some suppl. chars

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Reviewed-by: okutsu
This commit is contained in:
Yuka Kamiya 2012-10-03 15:11:28 +09:00
parent 30d429cc25
commit c3026d4a59
2 changed files with 86 additions and 2 deletions
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10
jdk/src/share/classes/sun/text/SupplementaryCharacterData.java
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2003, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2003, 2012, 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
@ -31,6 +31,11 @@ package sun.text;
*/
public final class SupplementaryCharacterData implements Cloneable {
/**
* A token used as a character-category value to identify ignore characters
*/
private static final byte IGNORE = -1;
/**
* An array for supplementary characters and values.
* Lower one byte is used to keep a byte-value.
@ -78,7 +83,8 @@ public final class SupplementaryCharacterData implements Cloneable {
} else if (index > (end-1)) {
i = k;
} else {
return dataTable[k] & 0xFF;
int v = dataTable[k] & 0xFF;
return (v == 0xFF) ? IGNORE : v;
}
}
}

78
jdk/test/java/text/BreakIterator/Bug7104012.java Normal file
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@ -0,0 +1,78 @@
/*
* Copyright (c) 2012, 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 7104012
* @summary Confirm that AIOBE is not thrown.
*/
import java.text.*;
import java.util.*;
public class Bug7104012 {
public static void main(String[] args) {
boolean err = false;
List<String> data = new ArrayList<>();
data.add("\udb40");
data.add(" \udb40");
data.add("\udc53");
data.add(" \udc53");
data.add(" \udb40\udc53");
data.add("\udb40\udc53");
data.add("ABC \udb40\udc53 123");
data.add("\udb40\udc53 ABC \udb40\udc53");
for (Locale locale : Locale.getAvailableLocales()) {
List<BreakIterator> breakIterators = new ArrayList<>();
breakIterators.add(BreakIterator.getCharacterInstance(locale));
breakIterators.add(BreakIterator.getLineInstance(locale));
breakIterators.add(BreakIterator.getSentenceInstance(locale));
breakIterators.add(BreakIterator.getWordInstance(locale));
for (BreakIterator bi : breakIterators) {
for (String str : data) {
try {
bi.setText(str);
bi.first();
while (bi.next() != BreakIterator.DONE) { }
bi.last();
while (bi.previous() != BreakIterator.DONE) { }
}
catch (ArrayIndexOutOfBoundsException ex) {
System.out.println(" " + data.indexOf(str)
+ ": BreakIterator(" + locale
+ ") threw AIOBE.");
err = true;
}
}
}
}
if (err) {
throw new RuntimeException("Unexpected exeption.");
}
}
}