| // 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 "src/writer/msl/test_helper.h" |
| |
| namespace tint { |
| namespace writer { |
| namespace msl { |
| namespace { |
| |
| using MslGeneratorImplTest = TestHelper; |
| |
| TEST_F(MslGeneratorImplTest, Emit_Switch) { |
| auto* cond = Var("cond", ty.i32()); |
| |
| auto* def_body = Block(create<ast::BreakStatement>()); |
| auto* def = create<ast::CaseStatement>(ast::CaseSelectorList{}, def_body); |
| |
| ast::CaseSelectorList case_val; |
| case_val.push_back(Expr(5)); |
| |
| auto* case_body = Block(create<ast::BreakStatement>()); |
| |
| auto* case_stmt = create<ast::CaseStatement>(case_val, case_body); |
| |
| ast::CaseStatementList body; |
| body.push_back(case_stmt); |
| body.push_back(def); |
| |
| auto* s = create<ast::SwitchStatement>(Expr(cond), body); |
| WrapInFunction(cond, s); |
| GeneratorImpl& gen = Build(); |
| |
| gen.increment_indent(); |
| |
| ASSERT_TRUE(gen.EmitStatement(s)) << gen.error(); |
| EXPECT_EQ(gen.result(), R"( switch(cond) { |
| case 5: { |
| break; |
| } |
| default: { |
| break; |
| } |
| } |
| )"); |
| } |
| |
| } // namespace |
| } // namespace msl |
| } // namespace writer |
| } // namespace tint |