Method SetupIterator

cpp/src/arrow/compute/exec_test.cc:729–732

class TestExecSpanIterator : public TestComputeInternals {
 public:
  void SetupIterator(const ExecBatch& batch,
                     int64_t max_chunksize = kDefaultMaxChunksize) {
    ASSERT_OK(iterator_.Init(batch, max_chunksize));
  }
  void CheckIteration(const ExecBatch& input, int chunksize,
                      const std::vector<int>& ex_batch_sizes) {
    SetupIterator(input, chunksize);