test simple xml serialisation

simple-xml-serialise-test.java

    public static <T> T testSerialisation(Class<? extends T> type, T expected) {
        Serializer serializer = new Persister();
        StringWriter sw = new StringWriter();
        T actual = null;
        try {
            serializer.write(expected, sw);
        } catch (Exception ex) {
            LOG.error("testing serialisation failed", ex);
            Assert.fail("testing serialisation failed");
        }
        LOG.debug(sw.toString());
        try {
            actual = serializer.read(type, sw.toString());
        } catch (Exception ex) {
            LOG.error("testing de-serialisation failed", ex);
            Assert.fail("testing de-serialisation failed");
        }
        Assert.assertNotNull("de-serialised to null object", actual);
        Assert.assertEquals("de-serialisation equals failed", expected, actual);
        return actual;
    }