Function AppendLeb128

cpp/src/arrow/util/rle_bitmap_test.cc:381–387

Append the LEB128 (unsigned, little-endian base-128) encoding of `value`.

/// Append the LEB128 (unsigned, little-endian base-128) encoding of `value`.
void AppendLeb128(std::vector<uint8_t>& out, uint32_t value) {
  std::array<uint8_t, bit_util::kMaxLEB128ByteLenFor<uint32_t>> buf = {};
  const auto n_bytes =
      bit_util::WriteLEB128(value, buf.data(), static_cast<int32_t>(buf.size()));
  ASSERT_GT(n_bytes, 0);
  out.insert(out.end(), buf.data(), buf.data() + n_bytes);
}

void AppendRleRun(std::vector<uint8_t>& bytes, std::vector<bool>& expected, bool value,
                  rle_size_t count) {