TilesVelocityException extends TilesException { public TilesVelocityException() { } TilesVelocityException();  TilesVelocityException(String message);  TilesVelocityException(Throwable e);  TilesVelocityException(String message, Throwable e);   }
@Test public void testTilesVelocityException() { TilesVelocityException exception = new TilesVelocityException(); assertNull(exception.getMessage()); assertNull(exception.getCause()); }