| // Copyright 2023 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_TINT_LANG_CORE_IR_TRANSFORM_HELPER_TEST_H_ |
| #define SRC_TINT_LANG_CORE_IR_TRANSFORM_HELPER_TEST_H_ |
| |
| #include <memory> |
| #include <string> |
| #include <utility> |
| #include <vector> |
| |
| #include "gtest/gtest.h" |
| #include "src/tint/lang/core/ir/builder.h" |
| #include "src/tint/lang/core/ir/disassembler.h" |
| #include "src/tint/lang/core/ir/validator.h" |
| |
| namespace tint::core::ir::transform { |
| |
| /// Helper class for testing IR transforms. |
| template <typename BASE> |
| class TransformTestBase : public BASE { |
| public: |
| /// Transforms the module, using @p transform. |
| /// @param transform_func the transform to run |
| /// @param args the arguments to the transform function |
| template <typename TRANSFORM, typename... ARGS> |
| void Run(TRANSFORM&& transform_func, ARGS&&... args) { |
| // Run the transform. |
| auto result = transform_func(&mod, args...); |
| EXPECT_TRUE(result) << result.Failure(); |
| if (!result) { |
| return; |
| } |
| |
| // Validate the output IR. |
| auto valid = ir::Validate(mod); |
| EXPECT_TRUE(valid) << valid.Failure().str(); |
| } |
| |
| /// @returns the transformed module as a disassembled string |
| std::string str() { |
| ir::Disassembler dis(mod); |
| return "\n" + dis.Disassemble(); |
| } |
| |
| protected: |
| /// The test IR module. |
| ir::Module mod; |
| /// The test IR builder. |
| ir::Builder b{mod}; |
| /// The type manager. |
| core::type::Manager& ty{mod.Types()}; |
| }; |
| |
| using TransformTest = TransformTestBase<testing::Test>; |
| |
| template <typename T> |
| using TransformTestWithParam = TransformTestBase<testing::TestWithParam<T>>; |
| |
| } // namespace tint::core::ir::transform |
| |
| #endif // SRC_TINT_LANG_CORE_IR_TRANSFORM_HELPER_TEST_H_ |