XMLLayoutTestCase.java 文件源码

public void testNull() throws Exception {
  XMLLayout xmlLayout = new XMLLayout();
  root.addAppender(new FileAppender(xmlLayout, TEMP, false));

  String oldThreadName = Thread.currentThread().getName();
  Thread.currentThread().setName("main");

  logger.debug("hi");
  logger.debug(null);
  Exception e = new Exception((String) null);
  logger.debug("hi", e);

  Thread.currentThread().setName(oldThreadName);

  Transformer.transform(
    TEMP, FILTERED,
    new Filter[] { new LineNumberFilter(),
        new XMLTimestampFilter(),  
        new JunitTestRunnerFilter(),
        new SunReflectFilter()});
  assertTrue(Compare.compare(FILTERED, "witness/xmlLayout.null"));
}