@Test
public void testLogWithoutLocationWithMessageAndTagAndThrowable() {

  final Logger log = mock(Logger.class);
  final Slf4jLogTarget target = new Slf4jLogTarget(log);
  final Exception exception = new Exception("test exception");
  target.log(LogLevel.TRACE, "tag", "format %s", 1, new Object[] {"arg"}, exception, Zlg.entrypoint);
  
  final Marker marker = MarkerFactory.getMarker("tag");
  verify(log).trace(eq(marker), eq("format arg"), eq(exception));
}