# Package io.vertx.junit5

- Interface Summary
  Interface | Description
  --- | ---
  Checkpoint | A test completion checkpoint, flagging it advances towards the test context completion.

- Class Summary
  Class | Description
  --- | ---
  VertxExtension | JUnit 5 Vert.x extension that allows parameter injection as well as an automatic lifecycle on the `VertxTestContext` instance.
  VertxTestContext | A test context to wait on the outcomes of asynchronous operations.

- Annotation Types Summary
  Annotation Type | Description
  --- | ---
  Timeout | Specify how long `VertxTestContext.awaitCompletion(long, TimeUnit)` waits before timing out.

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