[jira] [Updated] (IO-356) CharSequenceInputStream#reset() behaves incorrectly in case when buffer size is not dividable by data size

["Dmitry Katsubo (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/IO-356?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Dmitry Katsubo updated IO-356:
------------------------------

    Attachment: CharSequenceInputStreamTest.java
    
> CharSequenceInputStream#reset() behaves incorrectly in case when buffer size is not dividable by data size
> ----------------------------------------------------------------------------------------------------------
>
>                 Key: IO-356
>                 URL: https://issues.apache.org/jira/browse/IO-356
>             Project: Commons IO
>          Issue Type: Bug
>          Components: Streams/Writers
>    Affects Versions: 2.4
>            Reporter: Dmitry Katsubo
>         Attachments: CharSequenceInputStreamTest.java
>
>
> The size effect happens when buffer size of input stream is not dividable by requested data size. The bug is hidden in {{CharSequenceInputStream#reset()}} method which should also call (I think) {{bbuf.limit(0)}} otherwise next call to {{CharSequenceInputStream#read()}} will return the remaining tail which {{bbuf}} has accumulated.
> In the attached test case the test fails, if {{dataSize = 13}} (not dividable by 10) and runs OK if {{dataSize = 20}} (dividable by 10).

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