assertThat(parse("http://host/").resolve("   ")).isEqualTo(expected)
    assertThat(parse("http://host/").resolve("  .  ")).isEqualTo(expected)
  }

  @Test
  fun parseHostAsciiNonPrintable() {
    val host = "host\u0001"
    assertInvalid("http://$host/", "Invalid URL host: \"host\u0001\"")
    // TODO make exception message escape non-printable characters
  }

  @Test