| org.apache.lucene.tests.analysis | Support for testing analysis components. | 
| org.apache.lucene.tests.analysis.standard |  | 
| org.apache.lucene.tests.codecs.asserting | Codec for testing that asserts various contracts of the codec apis. | 
| org.apache.lucene.tests.codecs.blockterms |  | 
| org.apache.lucene.tests.codecs.bloom |  | 
| org.apache.lucene.tests.codecs.cheapbastard | Codec that unreasonably tries to use as little RAM as possible. | 
| org.apache.lucene.tests.codecs.compressing |  | 
| org.apache.lucene.tests.codecs.compressing.dummy | Dummy CompressingCodec implementation used for testing. | 
| org.apache.lucene.tests.codecs.cranky | Codec for testing that throws random IOExceptions | 
| org.apache.lucene.tests.codecs.mockrandom | Frankenstein codec for testing that pieces together random components. | 
| org.apache.lucene.tests.codecs.ramonly | Codec for testing that never writes to disk. | 
| org.apache.lucene.tests.codecs.uniformsplit |  | 
| org.apache.lucene.tests.codecs.uniformsplit.sharedterms |  | 
| org.apache.lucene.tests.codecs.vector | Codecs for testing different vector formats. | 
| org.apache.lucene.tests.geo | Reusable geo test utilities. | 
| org.apache.lucene.tests.index | Support for testing of indexes. | 
| org.apache.lucene.tests.mockfile | Support for testing/debugging with virtual filesystems | 
| org.apache.lucene.tests.search | Support for testing search components. | 
| org.apache.lucene.tests.search.similarities | Support for testing similarities. | 
| org.apache.lucene.tests.store | Support for testing store mechanisms. | 
| org.apache.lucene.tests.util | General test support. | 
| org.apache.lucene.tests.util.automaton | Support for testing automata. | 
| org.apache.lucene.tests.util.fst | Support for FST testing. |