Method RandomData

cpp/src/arrow/array/array_test.cc:1278–1283

  }

  void RandomData(int64_t N, double pct_null = 0.1) {
    Attrs::draw(N, &draws_);

    valid_bytes_.resize(static_cast<size_t>(N));
    random_null_bytes(N, pct_null, valid_bytes_.data());
  }

  void Check(const std::unique_ptr<BuilderType>& builder, bool nullable) {
    int64_t size = builder->length();