| // Copyright 2020 The Dawn & Tint Authors |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are met: |
| // |
| // 1. Redistributions of source code must retain the above copyright notice, this |
| // list of conditions and the following disclaimer. |
| // |
| // 2. Redistributions in binary form must reproduce the above copyright notice, |
| // this list of conditions and the following disclaimer in the documentation |
| // and/or other materials provided with the distribution. |
| // |
| // 3. Neither the name of the copyright holder nor the names of its |
| // contributors may be used to endorse or promote products derived from |
| // this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
| // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| // OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| #ifndef SRC_TINT_LANG_MSL_WRITER_AST_PRINTER_HELPER_TEST_H_ |
| #define SRC_TINT_LANG_MSL_WRITER_AST_PRINTER_HELPER_TEST_H_ |
| |
| #include <memory> |
| #include <string> |
| #include <utility> |
| |
| #include "gtest/gtest.h" |
| #include "src/tint/lang/msl/writer/ast_printer/ast_printer.h" |
| #include "src/tint/lang/wgsl/program/program_builder.h" |
| #include "src/tint/lang/wgsl/resolver/resolve.h" |
| |
| namespace tint::msl::writer { |
| |
| /// Helper class for testing |
| template <typename BASE> |
| class TestHelperBase : public BASE, public ProgramBuilder { |
| public: |
| TestHelperBase() = default; |
| ~TestHelperBase() override = default; |
| |
| /// @returns the default generator options for SanitizeAndBuild(), if no explicit options are |
| /// provided. |
| static Options DefaultOptions() { |
| Options opts; |
| opts.disable_robustness = true; |
| return opts; |
| } |
| |
| /// Builds and returns a ASTPrinter from the program. |
| /// @note The generator is only built once. Multiple calls to Build() will |
| /// return the same ASTPrinter without rebuilding. |
| /// @return the built generator |
| ASTPrinter& Build(const Options& options = {}) { |
| if (gen_) { |
| return *gen_; |
| } |
| if (!IsValid()) { |
| ADD_FAILURE() << "ProgramBuilder is not valid: " << Diagnostics(); |
| } |
| program = std::make_unique<Program>(resolver::Resolve(*this)); |
| if (!program->IsValid()) { |
| ADD_FAILURE() << program->Diagnostics(); |
| } |
| gen_ = std::make_unique<ASTPrinter>(*program, options); |
| return *gen_; |
| } |
| |
| /// Builds the program, runs the program through the transform::Msl sanitizer |
| /// and returns a ASTPrinter from the sanitized program. |
| /// @param options The MSL generator options. |
| /// @note The generator is only built once. Multiple calls to Build() will |
| /// return the same ASTPrinter without rebuilding. |
| /// @return the built generator |
| ASTPrinter& SanitizeAndBuild(const Options& options = DefaultOptions()) { |
| if (gen_) { |
| return *gen_; |
| } |
| if (!IsValid()) { |
| ADD_FAILURE() << "ProgramBuilder is not valid: " << Diagnostics(); |
| } |
| program = std::make_unique<Program>(resolver::Resolve(*this)); |
| if (!program->IsValid()) { |
| ADD_FAILURE() << program->Diagnostics(); |
| } |
| |
| auto result = Sanitize(*program, options); |
| if (!result.program.IsValid()) { |
| ADD_FAILURE() << result.program.Diagnostics(); |
| } |
| *program = std::move(result.program); |
| gen_ = std::make_unique<ASTPrinter>(*program, options); |
| return *gen_; |
| } |
| |
| /// The program built with a call to Build() |
| std::unique_ptr<Program> program; |
| |
| private: |
| std::unique_ptr<ASTPrinter> gen_; |
| std::unique_ptr<ASTPrinter> gen_with_options_; |
| }; |
| |
| /// Test helper |
| using TestHelper = TestHelperBase<testing::Test>; |
| |
| /// Param test helper |
| template <typename T> |
| using TestParamHelper = TestHelperBase<testing::TestWithParam<T>>; |
| |
| } // namespace tint::msl::writer |
| |
| #endif // SRC_TINT_LANG_MSL_WRITER_AST_PRINTER_HELPER_TEST_H_ |