Jacoco unit test coverage false positive issue on try-with-resources

[Nick Radov]

We are getting false positive issues on the Java rule "Branches should have sufficient coverage by unit tests" when using try-with-resources syntax. I think this might be caused by Jacoco issue #82. Essentially javac is generating byte code with extra branches that aren't exposed for unit testing. Is there a recommended way to deal with this in SonarQube?

[Nicolas Peru]

Hi Nick, 

(Always nice to use greetings, helps to make communication smoother).

There is no special recommended way to deal with this in SonarQube. This is a limitation of JaCoCo and so the ball is on their side on that matter. 

Cheers, 

Le mer. 19 oct. 2016 à 01:16, Nick Radov <nick....@optum.com> a écrit :

We are getting false positive issues on the Java rule "Branches should have sufficient coverage by unit tests" when using try-with-resources syntax. I think this might be caused by Jacoco issue #82. Essentially javac is generating byte code with extra branches that aren't exposed for unit testing. Is there a recommended way to deal with this in SonarQube?

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Nicolas PERU | SonarSource

Senior Developer
http://sonarsource.com

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