| // 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. |
| |
| #include <memory> |
| #include <vector> |
| |
| #include "gtest/gtest.h" |
| #include "src/ast/identifier_expression.h" |
| #include "src/ast/module.h" |
| #include "src/ast/unary_op_expression.h" |
| #include "src/writer/msl/generator_impl.h" |
| #include "src/writer/msl/test_helper.h" |
| |
| namespace tint { |
| namespace writer { |
| namespace msl { |
| namespace { |
| |
| struct UnaryOpData { |
| const char* name; |
| ast::UnaryOp op; |
| }; |
| inline std::ostream& operator<<(std::ostream& out, UnaryOpData data) { |
| out << data.op; |
| return out; |
| } |
| using MslUnaryOpTest = TestParamHelper<UnaryOpData>; |
| TEST_P(MslUnaryOpTest, Emit) { |
| auto params = GetParam(); |
| auto* op = create<ast::UnaryOpExpression>(params.op, Expr("expr")); |
| ASSERT_TRUE(gen.EmitExpression(op)) << gen.error(); |
| EXPECT_EQ(gen.result(), std::string(params.name) + "(expr)"); |
| } |
| INSTANTIATE_TEST_SUITE_P(MslGeneratorImplTest, |
| MslUnaryOpTest, |
| testing::Values(UnaryOpData{"!", ast::UnaryOp::kNot}, |
| UnaryOpData{"-", |
| ast::UnaryOp::kNegation})); |
| |
| } // namespace |
| } // namespace msl |
| } // namespace writer |
| } // namespace tint |