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https://issues.apache.org/jira/browse/LANG-1162?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15401219#comment-15401219
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ASF GitHub Bot commented on LANG-1162:
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Github user PascalSchumacher commented on the issue:
https://github.com/apache/commons-lang/pull/181
Hi RamAnvesh,
thanks for the pull request.
There are already a lot of test for `StringUtils#equals` here
https://github.com/RamAnvesh/commons-lang/blob/master/src/test/java/org/apache/commons/lang3/StringUtilsEqualsIndexOfTest.java#L558
> StringUtils#equals fails with Index OOBE on non-Strings with identical
> leading prefix
> -------------------------------------------------------------------------------------
>
> Key: LANG-1162
> URL: https://issues.apache.org/jira/browse/LANG-1162
> Project: Commons Lang
> Issue Type: Bug
> Affects Versions: 3.4
> Reporter: Sebb
> Assignee: Sebb
> Fix For: 3.5
>
>
> From the Commons User mailing list:
> {quote}
> StringUtils.equals(cs1,cs2) delegates to CharSequence.regionMatches(...) in a
> way that causes IndexOutOfBounds when either of cs1/cs2 isn't a String.
> Specifically, comparing "foo" and "foobar" for non-String CharSequences bombs
> due to CharSequenceUtils.regionMatches(cs1, false, 0, cs2, 0,
> Math.max(cs1.length(), cs2.length())) because regionMatches doesn't check for
> input exhaustion.
> {quote}
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