Function TEST_F

cpp/src/arrow/scalar_test.cc:2037–2051

class TestSparseUnionScalar : public TestUnionScalar<SparseUnionType> {};

TEST_F(TestSparseUnionScalar, GetScalar) {
  ArrayVector children{ArrayFromJSON(utf8(), R"(["alpha", "", "beta", null, "gamma"])"),
                       ArrayFromJSON(uint64(), "[1, 2, 11, 22, null]"),
                       ArrayFromJSON(uint64(), "[100, 101, 102, 103, 104]")};

  auto type_ids = ArrayFromJSON(int8(), "[3, 42, 3, 3, 42]");
  SparseUnionArray arr(type_, 5, children, type_ids->data()->buffers[1]);
  ASSERT_OK(arr.ValidateFull());

  CheckGetValidUnionScalar(arr, 0, *union_alpha_, *alpha_);
  CheckGetValidUnionScalar(arr, 1, *union_two_, *two_);
  CheckGetValidUnionScalar(arr, 2, *union_beta_, *beta_);
  CheckGetNullUnionScalar(arr, 3);
  CheckGetNullUnionScalar(arr, 4);
}

class TestDenseUnionScalar : public TestUnionScalar<DenseUnionType> {};