Method testCopyRangesFromAllNulls

bolt/vector/tests/VectorTest.cpp:628–673

  }

  void testCopyRangesFromAllNulls(
      const VectorPtr& vector,
      const VectorPtr& allNullSource) {
    SCOPED_TRACE(vector->toString());

    const vector_size_t size = 1'000;

    ASSERT_GE(vector->size(), size);

    // Save a copy of the 'vector' to compare results after copy.
    auto vectorCopy = BaseVector::copy(*vector);

    std::vector<BaseVector::CopyRange> rangesToCopy = {
        {0, 0, 7},
        {10, 12, 5},
        {100, 500, 79},
        {200, 601, 1},
        {990, 950, 10},
    };

    std::vector<BaseVector::CopyRange> rangesToKeep = {
        {0, 7, 5},
        {0, 17, 500 - 17},
        {0, 579, 601 - 579},
        {0, 602, 950 - 602},
        {0, 960, 40},
    };

    vector->copyRanges(allNullSource.get(), rangesToCopy);

    for (const auto& range : rangesToCopy) {
      for (auto i = 0; i < range.count; ++i) {
        EXPECT_TRUE(vector->isNullAt(range.targetIndex + i));
      }
    }

    for (const auto& range : rangesToKeep) {
      for (auto i = 0; i < range.count; ++i) {
        auto index = range.targetIndex + i;
        EXPECT_FALSE(vector->isNullAt(index));
        EXPECT_TRUE(vector->equalValueAt(vectorCopy.get(), index, index))
            << "at " << index << ": " << vector->toString(index) << " vs. "
            << vectorCopy->toString(index);
      }
    }
  }

  static void testSlice(
      const VectorPtr& vec,