public JUnit38ClassRunner(Class<?> klass) 
{
		this(new TestSuite(klass.asSubclass(TestCase.class)));
}

 public JUnit38ClassRunner(Test test) 
{
		super();
		setTest(test);
}

 public TestListener createAdaptingListener(RunNotifier notifier) 
{
		return new OldTestClassAdaptingListener(notifier);
}

 public  void filter(Filter filter) throws NoTestsRemainException 
{
		if (getTest() instanceof Filterable) {
			Filterable adapter= (Filterable) getTest();
			adapter.filter(filter);
		} else if (getTest() instanceof TestSuite) {
			TestSuite suite= (TestSuite) getTest();
			TestSuite filtered= new TestSuite(suite.getName());
			int n= suite.testCount();
			for (int i= 0; i <  n; i++) {
				Test test= suite.testAt(i);
				if (filter.shouldRun(makeDescription(test)))
					filtered.addTest(test);
			}
			setTest(filtered);
		}
}

 public Description getDescription() 
{
		return makeDescription(getTest());
}

 public  void run(RunNotifier notifier) 
{
		TestResult result= new TestResult();
		result.addListener(createAdaptingListener(notifier));
		getTest().run(result);
}

 public  void sort(Sorter sorter) 
{
		if (getTest() instanceof Sortable) {
			Sortable adapter= (Sortable) getTest();
			adapter.sort(sorter);
		}
}