* limitations under the License.
 */
package okhttp3.internal.idn

import kotlin.math.abs
import okio.ByteString

internal sealed interface MappedRange {
  val rangeStart: Int

  data class Constant(
    override val rangeStart: Int,
    val type: Int,
  ) : MappedRange {
    val b1: Int
      get() =
        when (type) {
          TYPE_IGNORED -> 119
          TYPE_VALID -> 120
          TYPE_DISALLOWED -> 121

            when (mapping.mappedTo.size) {
              1 -> MappedRange.Inline1(rangeStart, mapping.mappedTo)
              2 -> MappedRange.Inline2(rangeStart, mapping.mappedTo)
              else -> MappedRange.External(rangeStart, mapping.mappedTo)
            }
          }
        }

        TYPE_IGNORED, TYPE_VALID, TYPE_DISALLOWED -> {
          MappedRange.Constant(rangeStart, mapping.type)
        }

        mutableListOf(
          InlineDelta(1, 5),
          InlineDelta(2, 5),
          InlineDelta(3, 5),
          MappedRange.External(4, "a".encodeUtf8()),
        ),
      ),
    ).containsExactly(
      InlineDelta(1, 5),
      MappedRange.External(4, "a".encodeUtf8()),
    )
  }

  @Test fun mergeAdjacentDeltaMappedRangesWithDifferentSizedDeltas() {
    assertThat(