Function ASSERT_OK_AND_ASSIGN

cpp/src/arrow/acero/hash_join_node_test.cc:3270–3272

  // before outputting.
  const int num_left_rows = ExecBatchBuilder::num_rows_max();
  ASSERT_OK_AND_ASSIGN(
      auto left_batches,
      MakeIntegerBatches({[](int row_id) -> int64_t { return row_id; }},
                         schema({field("l_key", int32())}),
                         /*num_batches=*/1, /*batch_size=*/num_left_rows));
  Declaration root{"exec_batch_source",