Method TestAppendValues

cpp/src/arrow/array/array_test.cc:2730–2757

  template <typename ExpectedType>
  void TestAppendValues() {
    using CType = typename TypeTraits<ExpectedType>::CType;
    auto type = TypeTraits<ExpectedType>::type_singleton();

    std::vector<int64_t> values(
        {0, std::numeric_limits<CType>::min(), std::numeric_limits<CType>::max()});
    std::vector<CType> expected_values(
        {0, std::numeric_limits<CType>::min(), std::numeric_limits<CType>::max()});
    ArrayFromVector<ExpectedType, CType>(expected_values, &expected_);

    SetUp();
    ASSERT_OK(builder_->AppendValues(values.data(), values.size()));
    AssertTypeEqual(*builder_->type(), *type);
    ASSERT_EQ(builder_->length(), static_cast<int64_t>(values.size()));
    Done();
    ASSERT_EQ(builder_->length(), 0);
    AssertArraysEqual(*expected_, *result_);

    // Reuse builder
    builder_->Reset();
    AssertTypeEqual(*builder_->type(), *int8());
    ASSERT_OK(builder_->AppendValues(values.data(), values.size()));
    AssertTypeEqual(*builder_->type(), *type);
    ASSERT_EQ(builder_->length(), static_cast<int64_t>(values.size()));
    Done();
    ASSERT_EQ(builder_->length(), 0);
    AssertArraysEqual(*expected_, *result_);
  }

 protected:
  std::shared_ptr<AdaptiveIntBuilder> builder_;