| // 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/tint/lang/msl/writer/ast_printer/test_helper.h" |
| |
| using namespace tint::number_suffixes; // NOLINT |
| |
| namespace tint::msl::writer { |
| namespace { |
| |
| using MslASTPrinterTest = TestHelper; |
| |
| TEST_F(MslASTPrinterTest, Emit_Switch) { |
| auto* cond = Var("cond", ty.i32()); |
| |
| auto* def_body = Block(create<ast::BreakStatement>()); |
| auto* def = Case(DefaultCaseSelector(), def_body); |
| |
| auto* case_body = Block(create<ast::BreakStatement>()); |
| auto* case_stmt = Case(CaseSelector(5_i), case_body); |
| |
| Vector body{case_stmt, def}; |
| auto* s = Switch(cond, body); |
| WrapInFunction(cond, s); |
| ASTPrinter& gen = Build(); |
| |
| gen.IncrementIndent(); |
| |
| ASSERT_TRUE(gen.EmitStatement(s)) << gen.Diagnostics(); |
| EXPECT_EQ(gen.Result(), R"( switch(cond) { |
| case 5: { |
| break; |
| } |
| default: { |
| break; |
| } |
| } |
| )"); |
| } |
| |
| TEST_F(MslASTPrinterTest, Emit_Switch_MixedDefault) { |
| auto* cond = Var("cond", ty.i32()); |
| |
| auto* def_body = Block(create<ast::BreakStatement>()); |
| auto* def = Case(Vector{CaseSelector(5_i), DefaultCaseSelector()}, def_body); |
| |
| auto* s = Switch(cond, def); |
| WrapInFunction(cond, s); |
| ASTPrinter& gen = Build(); |
| |
| gen.IncrementIndent(); |
| |
| ASSERT_TRUE(gen.EmitStatement(s)) << gen.Diagnostics(); |
| EXPECT_EQ(gen.Result(), R"( switch(cond) { |
| case 5: |
| default: { |
| break; |
| } |
| } |
| )"); |
| } |
| |
| } // namespace |
| } // namespace tint::msl::writer |