For me it seems to fail miserably. Did it ever work? Here's the trace:
-------------------------------------------------------------------------------
Test set: TestSuite
-------------------------------------------------------------------------------
Tests run: 1, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 19.079 sec <<< FAILURE!
simpleIntegrityTest(athena.TestIntegrity) Time elapsed: 0.369 sec <<< FAILURE!
java.lang.NullPointerException
at athena.Query$Contains.match(Query.java:218)
at athena.Query$And.match(Query.java:178)
at athena.StoreIterator.computeNext(StoreIterator.java:115)
at com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:136)
at com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:131)
at com.google.common.collect.Iterators.size(Iterators.java:125)
at com.google.common.collect.Iterables.size(Iterables.java:76)
at athena.TestIntegrity.search(TestIntegrity.java:20)
at athena.TestIntegrity.simpleIntegrityTest(TestIntegrity.java:46)
I'm heading off to bed now, but will put this here in case you want to have a go.