def METHOD_NAME():
    # non printable str, need to store by b64
    s1 = tvm.runtime.String("xy\x01z")
    s2 = tvm.ir.load_json(tvm.ir.save_json(s1))
    tvm.ir.assert_structural_equal(s1, s2)
    # printable str, need to store by repr_str
    s1 = tvm.runtime.String("xyz")
    s2 = tvm.ir.load_json(tvm.ir.save_json(s1))
    tvm.ir.assert_structural_equal(s1, s2)