# Package org.apache.lucene.store

Support for testing store mechanisms.

See: Description

Class Summary
BaseDirectoryTestCase: Base class for per-Directory tests.
BaseDirectoryWrapper: Calls check index on close.
BaseLockFactoryTestCase: Base class for per-LockFactory tests.
CorruptingIndexOutput: Corrupts on bit of a file after close
MockDirectoryWrapper: This is a Directory Wrapper that adds methods intended to be used only by unit tests.
MockDirectoryWrapper.Failure: Objects that represent fail-able conditions.
MockIndexInputWrapper: Used by MockDirectoryWrapper to create an input stream that keeps track of when it's been closed.
MockIndexOutputWrapper: Used by MockRAMDirectory to create an output stream that will throw an IOException on fake disk full, track max disk space actually used, and maybe throw random IOExceptions.
RawDirectoryWrapper: Delegates all operations, even optional ones, to the wrapped directory.

Enum Summary
MockDirectoryWrapper.Throttling: Enum for controlling hard disk throttling.

Exception Summary
MockDirectoryWrapper.FakeIOException: Use this when throwing fake `IOException`, e.g.

## Package org.apache.lucene.store Description

Support for testing store mechanisms.

The primary class is `MockDirectoryWrapper`, which wraps any Directory implementation and provides additional checks.