## Package org.apache.lucene.search

Class Summary
AssertingIndexSearcher: Helper class that adds some extra checks to ensure correct usage of `IndexSearcher` and `Weight`.
CachingWrapperFilterHelper: A unit test helper class to test when the filter is getting cached and when it is not.
CheckHits: Utility class for asserting expected hits in tests.
CheckHits.ExplanationAsserter: Asserts that the score explanation for every document matching a query corresponds with the true score.
CheckHits.ExplanationAssertingSearcher: an IndexSearcher that implicitly checks hte explanation of every match whenever it executes a search.
CheckHits.SetCollector: Just collects document ids into a set.
QueryUtils: Utility class for sanity-checking queries.
SearchEquivalenceTestBase: Simple base class for checking search equivalence.