| // Copyright 2020 The Tint Authors. | 
 | // | 
 | // Licensed under the Apache License, Version 2.0 (the "License"); | 
 | // you may not use this file except in compliance with the License. | 
 | // You may obtain a copy of the License at | 
 | // | 
 | //     http://www.apache.org/licenses/LICENSE-2.0 | 
 | // | 
 | // Unless required by applicable law or agreed to in writing, software | 
 | // distributed under the License is distributed on an "AS IS" BASIS, | 
 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | 
 | // See the License for the specific language governing permissions and | 
 | // limitations under the License. | 
 |  | 
 | #ifndef SRC_AST_TEST_HELPER_H_ | 
 | #define SRC_AST_TEST_HELPER_H_ | 
 |  | 
 | #include <memory> | 
 | #include <string> | 
 | #include <utility> | 
 |  | 
 | #include "gtest/gtest.h" | 
 | #include "src/ast/builder.h" | 
 | #include "src/ast/module.h" | 
 | #include "src/demangler.h" | 
 |  | 
 | namespace tint { | 
 | namespace ast { | 
 |  | 
 | /// Helper class for testing | 
 | template <typename BASE> | 
 | class TestHelperBase : public BASE, public BuilderWithModule { | 
 |  public: | 
 |   /// Demangles the given string | 
 |   /// @param s the string to demangle | 
 |   /// @returns the demangled string | 
 |   std::string demangle(const std::string& s) { | 
 |     return demanger.Demangle(*mod, s); | 
 |   } | 
 |  | 
 |   /// A demangler | 
 |   Demangler demanger; | 
 | }; | 
 | using TestHelper = TestHelperBase<testing::Test>; | 
 |  | 
 | template <typename T> | 
 | using TestParamHelper = TestHelperBase<testing::TestWithParam<T>>; | 
 |  | 
 | }  // namespace ast | 
 | }  // namespace tint | 
 |  | 
 | #endif  // SRC_AST_TEST_HELPER_H_ |