Function TEST

cpp/src/arrow/engine/substrait/ext_test.cc:216–229

                        "nested")));

TEST(ExtensionIdRegistryTest, GetSupportedSubstraitFunctions) {
  ExtensionIdRegistry* default_registry = default_extension_id_registry();
  std::vector<std::string> supported_functions =
      default_registry->GetSupportedSubstraitFunctions();
  std::size_t num_functions = supported_functions.size();
  ASSERT_GT(num_functions, 0);

  std::shared_ptr<ExtensionIdRegistry> nested =
      nested_extension_id_registry(default_registry);
  ASSERT_OK(nested->AddSubstraitCallToArrow(kNonExistentId, "some_function"));

  std::size_t num_nested_functions = nested->GetSupportedSubstraitFunctions().size();
  ASSERT_EQ(num_functions + 1, num_nested_functions);
}

TEST(ExtensionIdRegistryTest, RegisterTempTypes) {
  auto default_registry = default_extension_id_registry();