On Wed, 17 Aug 2022 06:57:00 GMT, Tejesh R <[email protected]> wrote:

>> The Document for _DefaultStyledDocument.setCharacterAttribute_ states that 
>> the range of length accepted is `length - the length >= 0`, whereas in code 
>> the length check is done only for `length==0`. Meaning the control just 
>> returns if the `length` is 0. Since length is  _int_ type and there is a 
>> possibility of negative length being set through the method, the code 
>> doesn't actually handles the negative length case. Hence to handle negative 
>> length, negative length check has been added along with 0 check. Its safe to 
>> check and return the control for `negative` length input. Test case to check 
>> the same is added.
>
> Tejesh R has updated the pull request incrementally with two additional 
> commits since the last revision:
> 
>  - Merge branch 'branch_8291792' of github.com:TejeshR13/jdk into 
> branch_8291792
>  - Moved test to test/jdk/javax/swing/DefaultStyledDocument

src/java.desktop/share/classes/javax/swing/text/DefaultStyledDocument.java line 
500:

> 498:      */
> 499:     public void setCharacterAttributes(int offset, int length, 
> AttributeSet s, boolean replace) {
> 500:         if (length <= 0) {

@param length the length &gt;= 0 javadoc should it not be then > 0 ?

test/jdk/javax/swing/text/DefaultStyledDocument/DocNegLenCharAttrTest.java line 
47:

> 45:  */
> 46: public class DocNegLenCharAttrTest {
> 47:     private static DefaultStyledDocument doc;

guess it can be local variable in test()

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

PR: https://git.openjdk.org/jdk/pull/9830

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