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https://issues.apache.org/jira/browse/BEAM-372?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15385138#comment-15385138
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ASF GitHub Bot commented on BEAM-372:
-------------------------------------

GitHub user chandnisingh opened a pull request:

    https://github.com/apache/incubator-beam/pull/695

    BEAM-372 added a test that verifies if a coder consumes bytes equal t…

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    …o encoded bytes

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/chandnisingh/incubator-beam BEAM-372

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/incubator-beam/pull/695.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #695
    
----
commit 88f5cc326ac6e43204bea1b32b8950533f665f75
Author: Chandni Singh <chandni.si...@capitalone.com>
Date:   2016-07-20T00:30:16Z

    BEAM-372 added a test that verifies if a coder consumes bytes equal to 
encoded bytes

----


> CoderProperties: Test that the coder doesn't consume more bytes than it 
> produces
> --------------------------------------------------------------------------------
>
>                 Key: BEAM-372
>                 URL: https://issues.apache.org/jira/browse/BEAM-372
>             Project: Beam
>          Issue Type: Bug
>          Components: sdk-java-core
>            Reporter: Ben Chambers
>            Assignee: Chandni Singh
>            Priority: Minor
>              Labels: beginner, newbie, starter
>
> Add a test to CoderProperties that does the following:
> 1. Encode a value using the Coder in the nested context
> 2. Decode the value using the Coder in the nested context
> 3. Verify that the input stream wasn't requested to consume any extra bytes
> (This could possibly just be an enhancement to the existing round-trip 
> encode/decode test)
> When this fails it can lead to very difficult to debug situations in a coder 
> wrapped around the problematic coder. This would be an easy test that would 
> clearly fail *for the coder which was problematic*.



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