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https://issues.apache.org/jira/browse/DERBY-5851?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13413521#comment-13413521
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Mohamed Nufail commented on DERBY-5851:
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I tried out the suggestions.
1) Methods which are not correctly instrumented are those which are implemented
in PreparedStatement40. What LogicalPreparedStatement40 does is forward all
calls to the underlying physical prepared statement. So those which are
implemented in PreparedStatement40 are causing this problem while those in
PreparedStatement and Statement classes work fine. Also all those methods in
PreparedStatement40 throw exceptions as they are not supported.
2) Emma and JaCoCo reports are the same. They miss same set of methods.
3) Siddharth has started a thread on JaCoCo mailing list at
https://sourceforge.net/projects/eclemma/forums/forum/614869/topic/5425816
> Inconsistent code coverage shown for LogicalPreparedStatement40
> ---------------------------------------------------------------
>
> Key: DERBY-5851
> URL: https://issues.apache.org/jira/browse/DERBY-5851
> Project: Derby
> Issue Type: Bug
> Reporter: Mohamed Nufail
> Assignee: Mohamed Nufail
> Priority: Minor
> Attachments: derby-5851-CPdecorator.patch
>
>
> I tried running
> org.apache.derbyTesting.functionTests.tests.jdbc4.PreparedStatementTest with
> a connectionCPDecorator in a JDBC4 environment. So this should actually run
> the test with LogicalPreparedStatement40 statements.
> But in code coverage report methods such as setNClob show no coverage in
> LogicalPreparedStatement40 class. But in PreparedStatement40 class all these
> methods are shown as covered. Actually those method calls should go to
> PreparedStatement40 through LogicalPreparedStatement40. But it is not shown
> in emma code coverage report.
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