UUID zu = UUID.fromString(z);
UUID vu = UUID.fromString(v);
ByteBuffer zb = ti.decompose(zu);
ByteBuffer vb = ti.decompose(vu);
assertEquals(-1, ti.compare(zb, vb));
assertEquals(1, zu.compareTo(vu));
assertEquals(1, ti.compare(vb, zb));
assertEquals(-1, vu.compareTo(zu));