### Question:
Engine { public static final synchronized void terminate() { if (started) { engine.close(); started = false; Verbose.info(ENGINE_TERMINATED); engine.postClose(); engine = null; } } protected  Engine(String name, Version version); static final synchronized void start(Engine engine); static final synchronized void terminate(); static final synchronized String getProgramName(); static final synchronized Version getProgramVersion(); static final boolean isStarted(); final String getName(); final Version getVersion();  }### Answer:
@Test void testTerminate() { Engine.terminate(); Engine.terminate(); }