EventLoopGroupFactory { public static Class<? extends Channel> channelClass() { return NioSocketChannel.class; } private  EventLoopGroupFactory(); static Class<? extends Channel> channelClass(); static EventLoopGroup newEventLoopGroup( int threadCount ); static void assertNotInEventLoopThread(); static boolean isEventLoopThread( Thread thread );  }
@Test void shouldReturnCorrectChannelClass() { assertEquals( NioSocketChannel.class, EventLoopGroupFactory.channelClass() ); }