Function TEST

cpp/src/arrow/compute/kernels/vector_sort_test.cc:325–335

}

TEST(TestNthToIndices, Null) {
  ASSERT_OK_AND_ASSIGN(auto arr, MakeArrayOfNull(null(), 6));
  auto expected = ArrayFromJSON(uint64(), "[0, 1, 2, 3, 4, 5]");
  for (const auto null_placement : AllNullPlacements()) {
    for (const auto n : {0, 1, 2, 3, 4, 5, 6}) {
      ASSERT_OK_AND_ASSIGN(auto actual,
                           NthToIndices(*arr, PartitionNthOptions(n, null_placement)));
      AssertArraysEqual(*expected, *actual, /*verbose=*/true);
    }
  }
}

template <typename ArrowType>
class TestNthToIndicesRandom : public TestNthToIndicesBase<ArrowType> {