assertTrue("Tested via test_printStackTrace().", true);
ByteArrayOutputStream bao = new ByteArrayOutputStream();
PrintStream ps = new PrintStream(bao);
InvocationTargetException ite = new InvocationTargetException(
new InvocationTargetException(null));
ite.printStackTrace(ps);
String s = bao.toString();
assertTrue("printStackTrace failed." + s.length(), s != null
&& s.length() > 400);
}