Method Check

cpp/src/arrow/array/concatenate_test.cc:207–231

  template <typename ArrayFactory>
  void Check(ArrayFactory&& factory) {
    for (auto size : this->sizes_) {
      auto offsets = rag.Offsets<int32_t>(size, 3);
      for (auto null_probability : this->null_probabilities_) {
        std::shared_ptr<Array> array;
        factory(size, null_probability, &array);
        ASSERT_OK(array->ValidateFull());
        auto expected = array->Slice(offsets.front(), offsets.back() - offsets.front());
        ASSERT_OK(expected->ValidateFull());
        auto slices = rag.Slices(array, offsets);
        for (auto slice : slices) {
          ASSERT_OK(slice->ValidateFull());
        }
        ASSERT_OK_AND_ASSIGN(auto actual, Concatenate(slices));
        ASSERT_OK(actual->ValidateFull());
        AssertArraysEqual(*expected, *actual);
        if (actual->data()->buffers[0]) {
          CheckTrailingBitsAreZeroed(actual->data()->buffers[0], actual->length());
        }
        if (actual->type_id() == Type::BOOL) {
          CheckTrailingBitsAreZeroed(actual->data()->buffers[1], actual->length());
        }
      }
    }
  }
};

TEST(ConcatenateEmptyArraysTest, TestValueBuffersNullPtr) {