CompositeLogger implements Logger<M, E, F> { @Override public void exceptionDuringInit(M model, Throwable exception) { for (Logger<M, E, F> logger : loggersReversed) { logger.exceptionDuringInit(model, exception); } } private  CompositeLogger(List<Logger<M, E, F>> loggers); @SafeVarargs static Logger<M, E, F> from(Logger<M, E, F> logger, Logger<M, E, F>... loggers); @Override void beforeInit(M model); @Override void afterInit(M model, First<M, F> result); @Override void exceptionDuringInit(M model, Throwable exception); @Override void beforeUpdate(M model, E event); @Override void afterUpdate(M model, E event, Next<M, F> result); @Override void exceptionDuringUpdate(M model, E event, Throwable exception);  }
@Test public void delegatesExceptionDuringInitToAllLoggers() throws Exception { ExceptionDuringInit<String> testCase = ExceptionDuringInit.create("I'm broken", Exception.class); underTest.exceptionDuringInit(testCase.model(), testCase.createException()); assertTestCaseLogged(testCase); }