| 28 | using ::arrow::struct_; |
| 29 | |
| 30 | TEST(TestVariantExtensionType, StorageTypeValidation) { |
| 31 | auto variant1 = ::arrow::extension::variant( |
| 32 | struct_({field("metadata", binary(), /*nullable=*/false), |
| 33 | field("value", binary(), /*nullable=*/false)})); |
| 34 | auto variant2 = ::arrow::extension::variant( |
| 35 | struct_({field("metadata", binary(), /*nullable=*/false), |
| 36 | field("value", binary(), /*nullable=*/false)})); |
| 37 | |
| 38 | ASSERT_TRUE(variant1->Equals(variant2)); |
| 39 | |
| 40 | // Metadata and value fields can be provided in either order |
| 41 | auto variantFieldsFlipped = |
| 42 | std::dynamic_pointer_cast<::arrow::extension::VariantExtensionType>( |
| 43 | ::arrow::extension::variant( |
| 44 | struct_({field("value", binary(), /*nullable=*/false), |
| 45 | field("metadata", binary(), /*nullable=*/false)}))); |
| 46 | |
| 47 | ASSERT_EQ("metadata", variantFieldsFlipped->metadata()->name()); |
| 48 | ASSERT_EQ("value", variantFieldsFlipped->value()->name()); |
| 49 | |
| 50 | auto missing_value = struct_({field("metadata", binary(), /*nullable=*/false)}); |
| 51 | auto missing_metadata = struct_({field("value", binary(), /*nullable=*/false)}); |
| 52 | auto bad_value_type = struct_({field("metadata", binary(), /*nullable=*/false), |
| 53 | field("value", ::arrow::int32(), /*nullable=*/false)}); |
| 54 | auto extra_field = struct_({field("metadata", binary(), /*nullable=*/false), |
| 55 | field("value", binary(), /*nullable=*/false), |
| 56 | field("extra", binary(), /*nullable=*/false)}); |
| 57 | auto nullable_metadata = struct_( |
| 58 | {field("metadata", binary()), field("value", binary(), /*nullable=*/false)}); |
| 59 | auto nullable_value = struct_( |
| 60 | {field("metadata", binary(), /*nullable=*/false), field("value", binary())}); |
| 61 | |
| 62 | for (const auto& storage_type : {missing_value, missing_metadata, bad_value_type, |
| 63 | extra_field, nullable_metadata, nullable_value}) { |
| 64 | ASSERT_RAISES_WITH_MESSAGE( |
| 65 | Invalid, |
| 66 | "Invalid: Invalid storage type for VariantExtensionType: " + |
| 67 | storage_type->ToString(), |
| 68 | ::arrow::extension::VariantExtensionType::Make(storage_type)); |
| 69 | } |
| 70 | } |
| 71 | |
| 72 | } // namespace parquet::arrow |