[jira] Resolved: (HARMONY-3238) [classlib][luni] InputStreamReader allocates fixed space internal buffer

["Richard Liang (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HARMONY-3238?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Richard Liang resolved HARMONY-3238.
------------------------------------

    Resolution: Fixed

Hello Ruth,

The patch has been applied at revision r514632, thanks a lot for this enhancement. Please verify this issue is fixed as you expected. 

Best regards,
Richard

> [classlib][luni] InputStreamReader allocates fixed space internal buffer
> ------------------------------------------------------------------------
>
>                 Key: HARMONY-3238
>                 URL: https://issues.apache.org/jira/browse/HARMONY-3238
>             Project: Harmony
>          Issue Type: Bug
>          Components: Classlib
>            Reporter: Ruth Cao
>         Assigned To: Richard Liang
>         Attachments: Harmony-3238.diff
>
>
> The following test case[1] fails on Harmony while passes on RI. It is due to java.io.InputStreamReader allocates fixed space. Error occurs when the dest buffer is larger than the internal one.
> Besides, after the bug is fixed, tests.api.java.io.OutputStreamWriterTest can be taken out of the exclue list. I'll provide a patch soon.
> [1] public void testHandleEarlyEOFChar_2() throws IOException {
>     int capacity = 65536;
>     byte[] bytes = new byte[capacity];
>     byte[] bs = { 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H' };
>     for (int i = 0; i < bytes.length; i++) {
>         bytes[i] = bs[i / 8192];
>     }
>     String inputStr = new String(bytes);
>     int len = inputStr.length();
>     File f = File.createTempFile("FileWriterBugTest ", null); //$NON-NLS-1$
>     FileWriter writer = new FileWriter(f);
>     writer.write(inputStr);
>     writer.close();
>     long flen = f.length();
>     FileReader reader = new FileReader(f);
>     char[] outChars = new char[capacity];
>     int outCount = reader.read(outChars);
>     String outStr = new String(outChars, 0, outCount);
>     f.deleteOnExit();
>    assertEquals(len, flen);
>    assertEquals(inputStr, outStr);
> }

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