addDriverTest(new XppDomDriver());
addDriverTest(new XppDriver());
addDriverTest(new XomDriver());
if (JVM.is14()) {
JVM jvm = new JVM();
Class driverType = jvm.loadClass("com.thoughtworks.xstream.io.json.JettisonMappedXmlDriver");
try {
addDriverTest((HierarchicalStreamDriver)driverType.newInstance());
} catch (InstantiationException e) {
throw new AssertionFailedError("Cannot instantiate " + driverType.getName());
} catch (IllegalAccessException e) {