assertThat((nameprep.unassigned as RangeListCodePointSet).ranges).hasSize(396)
    assertThat((nameprep.mapping as MappingListCodePointMapping).mappings).hasSize(1398)
    assertThat((nameprep.prohibitSet as RangeListCodePointSet).ranges).hasSize(78)
    assertThat((nameprep.randalcatSet as RangeListCodePointSet).ranges).hasSize(34)
    assertThat((nameprep.lcatSet as RangeListCodePointSet).ranges).hasSize(360)
  }

            putAll(readCodePointMapping(base / "rfc3454.B.1.txt").mappings)
            putAll(readCodePointMapping(base / "rfc3454.B.2.txt").mappings)
          },
      )
    val prohibitSet =
      RangeListCodePointSet(
        ranges =
          mutableListOf<IntRange>()
            .apply {
              addAll(readCodePointSet(base / "rfc3454.C.1.2.txt").ranges)

  private val reader = StringprepTablesReader(FileSystem.RESOURCES)
  private val rfc3491 = reader.readNameprep("/okhttp3/internal/idn".toPath())
  private val stringPrep =
    Stringprep(
      unassigned = RangeListCodePointSet(listOf()),
      mapping = rfc3491.mapping,
      prohibitSet = rfc3491.prohibitSet,
      randalcatSet = rfc3491.randalcatSet,
      lcatSet = rfc3491.lcatSet,
    )

  @Test fun mappedToNothing() {