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From "Kevin Zhou (JIRA)" <j...@apache.org>
Subject [jira] Created: (HARMONY-6134) [classlib][luni] java.io.BufferedInputStream.reset() throws IOException after skipping the marked position
Date Fri, 27 Mar 2009 05:11:50 GMT
[classlib][luni] java.io.BufferedInputStream.reset() throws IOException after skipping the
marked position
----------------------------------------------------------------------------------------------------------

                 Key: HARMONY-6134
                 URL: https://issues.apache.org/jira/browse/HARMONY-6134
             Project: Harmony
          Issue Type: Bug
          Components: Classlib
    Affects Versions: 5.0M8
            Reporter: Kevin Zhou
             Fix For: 5.0M9


Given a test case [1], HY throws IOException after skipping the marked position while RI doesn't.

If SKIP_VALUE<=5, HY and RI pass the test; 
else HY throws java.lang.IOException [2] but RI also passes this.

[1] Test Case:
public void test_skipJ_scenario1() throws IOException {
    byte[] input = "12345678900".getBytes();
    BufferedInputStream buffis = new BufferedInputStream(
        new ByteArrayInputStream(input));
    buffis.read();
    buffis.mark(5);
    buffis.skip(SKIP_VALUE);
    buffis.reset();
}

public void test_skipJ_scenario2() throws IOException {
    byte[] input = "12345678900".getBytes();
    BufferedInputStream buffis = new BufferedInputStream(
        new ByteArrayInputStream(input));
    buffis.mark(5);
    buffis.skip(SKIP_VALUE + 1);
    buffis.reset();
}

[2] Stack Trace:
java.io.IOException: Mark has been invalidated.
at java.io.BufferedInputStream.reset(BufferedInputStream.java:351)

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