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8294008: Grapheme implementation of setText() throws IndexOutOfBoundsException

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Reviewed-by: joehw, smarks
This commit is contained in:
Naoto Sato 2022-09-20 16:46:18 +00:00
parent df8ec09f8d
commit e3358e77f5
2 changed files with 18 additions and 2 deletions
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15
src/java.base/share/classes/sun/util/locale/provider/BreakIteratorProviderImpl.java
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@ -317,7 +317,15 @@ public class BreakIteratorProviderImpl extends BreakIteratorProvider
}
}
// Implementation only for calling Grapheme.nextBoundary()
/**
* Implementation only for calling Grapheme.nextBoundary().
*
* This is a special-purpose CharSequence that represents characters in the
* index range [0..endIndex) of the underlying CharacterIterator, even if
* that CharacterIterator represents the subrange of some string. The calling
* code in GraphemeBreakIterator takes care to ensure that only valid indexes
* into the src are used.
*/
static final class CharacterIteratorCharSequence implements CharSequence {
CharacterIterator src;
CharacterIteratorCharSequence(CharacterIterator ci) {
@ -326,7 +334,10 @@ public class BreakIteratorProviderImpl extends BreakIteratorProvider
@Override
public int length() {
return src.getEndIndex() - src.getBeginIndex();
// Return the entire CharSequence length (0 to endIndex), not to
// be confused with the text range length (beginIndex to endIndex)
// of the underlying CharacterIterator.
return src.getEndIndex();
}
@Override