assertInvalid("http://a.a$a63/", "Invalid URL host: \"a.a$a63\"")
    assertInvalid("http://a$a63.a/", "Invalid URL host: \"a$a63.a\"")
  }

  @Test
  fun labelTooLongDueToAsciiExpansion() {
    val a60 = "a".repeat(60)
    assertThat(parse("http://\u2121$a60/").toString()).isEqualTo("http://tel$a60/")
    assertInvalid("http://a\u2121$a60/", "Invalid URL host: \"a\u2121$a60\"")
  }