1 //===- unittest/Tooling/RecursiveASTVisitorTests/Class.cpp ----------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #include "TestVisitor.h" 10 11 using namespace clang; 12 13 namespace { 14 15 // Checks for lambda classes that are not marked as implicitly-generated. 16 // (There should be none.) 17 class ClassVisitor : public ExpectedLocationVisitor { 18 public: 19 ClassVisitor() : SawNonImplicitLambdaClass(false) {} 20 21 bool VisitCXXRecordDecl(CXXRecordDecl *record) override { 22 if (record->isLambda() && !record->isImplicit()) 23 SawNonImplicitLambdaClass = true; 24 return true; 25 } 26 27 bool sawOnlyImplicitLambdaClasses() const { 28 return !SawNonImplicitLambdaClass; 29 } 30 31 private: 32 bool SawNonImplicitLambdaClass; 33 }; 34 35 TEST(RecursiveASTVisitor, LambdaClosureTypesAreImplicit) { 36 ClassVisitor Visitor; 37 EXPECT_TRUE(Visitor.runOver("auto lambda = []{};", ClassVisitor::Lang_CXX11)); 38 EXPECT_TRUE(Visitor.sawOnlyImplicitLambdaClasses()); 39 } 40 41 } // end anonymous namespace 42