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copied!<p>I am not sure it is possible to get a full coverage, since <a href="http://sourceforge.net/tracker/?func=detail&aid=2939804&group_id=108932&atid=651897" rel="nofollow noreferrer">issue 2939804</a> reports:</p> <blockquote> <p>EMMA always marks <code>synchronized(..)</code> as <strong>partially covered</strong></p> <p>Examples:</p> </blockquote> <pre><code>synchronized (lock) // partially covered (yellow line in EclEmma) { // ... } synchronized (this) // partially covered (yellow line in EclEmma) { // ... } </code></pre> <p>Maybe a different tool (<a href="http://www.rhq-project.org/display/RHQ/Code+coverage+tools#Codecoveragetools-b%29Toolsthatfullfillscriteria" rel="nofollow noreferrer">like Cobertura</a>) would yield a different result? (I have not tested it recently).</p> <hr> <p>Update December 2012 (more than 2 years later):</p> <p><a href="https://stackoverflow.com/users/651536/nathan-d-ryan">Nathan D Ryan</a> <a href="https://stackoverflow.com/questions/3715213/why-doesnt-eclemma-cover-syncronizedmyclass-class/3715232#comment19101236_3715232">reports</a>:</p> <blockquote> <p><code>synchronized</code> will light to green if the synchronized block contains code that waits on an object monitor, and a test interrupts the waiting thread. </p> <p>After a little experimentation, I was able to achieve complete coverage of the <code>synchronized</code> line if the <code>synchronized</code> block completed normally and completed abruptly due to an exception.</p> </blockquote>

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