Class.cpp source code [clang_source_code/unittests/Tooling/RecursiveASTVisitorTests/Class.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-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<ClassVisitor> {
18	public:
19	ClassVisitor() : SawNonImplicitLambdaClass(false) {}
20	bool VisitCXXRecordDecl(CXXRecordDecl* record) {
21	if (record->isLambda() && !record->isImplicit())
22	SawNonImplicitLambdaClass = true;
23	return true;
24	}
25
26	bool sawOnlyImplicitLambdaClasses() const {
27	return !SawNonImplicitLambdaClass;
28	}
29
30	private:
31	bool SawNonImplicitLambdaClass;
32	};
33
34	TEST(RecursiveASTVisitor, LambdaClosureTypesAreImplicit) {
35	ClassVisitor Visitor;
36	EXPECT_TRUE(Visitor.runOver("auto lambda = []{};", ClassVisitor::Lang_CXX11));
37	EXPECT_TRUE(Visitor.sawOnlyImplicitLambdaClasses());
38	}
39
40	} // end anonymous namespace
41

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