[ https://issues.apache.org/jira/browse/HARMONY-6133?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Kevin Zhou updated HARMONY-6133:
--------------------------------

    Attachment: HARMONY-6133.diff

> [classlib][luni] java.io.BufferedInputStream.skip(0) shouldn't throw IOException
> --------------------------------------------------------------------------------
>
>                 Key: HARMONY-6133
>                 URL: https://issues.apache.org/jira/browse/HARMONY-6133
>             Project: Harmony
>          Issue Type: Bug
>          Components: Classlib
>    Affects Versions: 5.0M8
>            Reporter: Kevin Zhou
>             Fix For: 5.0M9
>
>         Attachments: HARMONY-6133.diff
>
>
> Given a test case [1], HY throws a java.lang.IOException [2], while RI passes this test.
> Create a BufferedInputStream object using a null InputStream, java.io.BufferedInputStream.skip(0) should not throw IOException. 
> While at this case, java.io.BufferedInputStream.skip(Value > 0) should throw IOException.
> [1] Test Case :
> public void test_skip_scenario1() throws IOException {
>     BufferedInputStream buf = new BufferedInputStream(null, 5);
>     assertEquals(0, buf.skip(0));
> }
> public void test_skip_scenario2() throws IOException {
>     BufferedInputStream buf = new BufferedInputStream(null, 5);
>     try {
>         buf.skip(1);
>         fail("should throw IOException");
>     } catch (IOException e) {
>         // Expected
>     }
> }
> [2] Stack Trace:
> java.io.IOException: Stream is closed
> at java.io.BufferedInputStream.skip(BufferedInputStream.java:346)

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