42 lines · cpp
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-exception6//7//===----------------------------------------------------------------------===//8 9#include "TestVisitor.h"10 11using namespace clang;12 13namespace {14 15// Checks for lambda classes that are not marked as implicitly-generated.16// (There should be none.)17class ClassVisitor : public ExpectedLocationVisitor {18public: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 31private:32 bool SawNonImplicitLambdaClass;33};34 35TEST(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 namespace42