}
			partlen++
			nonNumeric = true
		case c == '.':
			// Byte before dot cannot be dot, dash.
			if last == '.' || last == '-' {
				return false
			}
			if partlen > 63 || partlen == 0 {
				return false
			}
			partlen = 0
		}
		last = c
	}
	if last == '-' || partlen > 63 {
		return false
	}

	return nonNumeric
}

	tmp[0] = 0x80
	var t uint64
	if len%64 < 56 {
		t = 56 - len%64
	} else {
		t = 64 + 56 - len%64
	}

	// Length in bits.
	len <<= 3
	padlen := tmp[:t+8]
	byteorder.BePutUint64(padlen[t:], len)
	d.Write(padlen)

	if d.nx != 0 {
		panic("d.nx != 0")
	}

	var digest [Size]byte

	byteorder.BePutUint32(digest[0:], d.h[0])
	byteorder.BePutUint32(digest[4:], d.h[1])

    final PayloadSerializer receiver = new PayloadSerializer(new WellKnownClassLoaderRegistry(new DefaultPayloadClassLoaderRegistry(new ClassLoaderCache(), new ModelClassLoaderFactory())))

    def "can send an object between two parties"() {
        expect:
        def serialized = originator.serialize(source)
        receiver.deserialize(serialized) == source

        where:
        source       | _
        null         | _