codePoint: Int,
    sink: BufferedSink,
  ): Boolean {
    val sectionsIndex = findSectionsIndex(codePoint)

    val rangesPosition = sections.read14BitInt(sectionsIndex + 2)

    val rangesLimit =
      when {
        sectionsIndex + 4 < sections.length -> sections.read14BitInt(sectionsIndex + 6)
        else -> ranges.length / 4
      }

    val rangesIndex = findRangesOffset(codePoint, rangesPosition, rangesLimit)

    val rangesIndices = mutableListOf<Int>()
    val rangesOffsets = mutableListOf<Int>()
    for (i in 0 until compactTable.sections.length step 4) {
      rangesIndices += compactTable.sections.read14BitInt(i)
      rangesOffsets += compactTable.sections.read14BitInt(i + 2)
    }
    assertThat(rangesIndices).isEqualTo(rangesIndices.sorted())

    // Check the ranges.
    for (r in 0 until rangesOffsets.size) {