llvm-project/clang/unittests/Tooling/RecursiveASTVisitorTests/ImplicitCtorInitializer.cpp

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1.8 KiB
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//=- unittest/Tooling/RecursiveASTVisitorTests/ImplicitCtorInitializer.cpp -=//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "TestVisitor.h"
using namespace clang;
namespace {
class CXXCtorInitializerVisitor
: public ExpectedLocationVisitor<CXXCtorInitializerVisitor> {
public:
CXXCtorInitializerVisitor(bool VisitImplicitCode)
: VisitImplicitCode(VisitImplicitCode) {}
bool shouldVisitImplicitCode() const { return VisitImplicitCode; }
bool TraverseConstructorInitializer(CXXCtorInitializer *Init) {
if (!Init->isWritten())
VisitedImplicitInitializer = true;
Match("initializer", Init->getSourceLocation());
return ExpectedLocationVisitor<
CXXCtorInitializerVisitor>::TraverseConstructorInitializer(Init);
}
bool VisitedImplicitInitializer = false;
private:
bool VisitImplicitCode;
};
// Check to ensure that CXXCtorInitializer is not visited when implicit code
// should not be visited and that it is visited when implicit code should be
// visited.
TEST(RecursiveASTVisitor, CXXCtorInitializerVisitNoImplicit) {
for (bool VisitImplCode : {true, false}) {
CXXCtorInitializerVisitor Visitor(VisitImplCode);
Visitor.ExpectMatch("initializer", 7, 17);
llvm::StringRef Code = R"cpp(
class A {};
class B : public A {
B() {};
};
class C : public A {
C() : A() {}
};
)cpp";
EXPECT_TRUE(Visitor.runOver(Code, CXXCtorInitializerVisitor::Lang_CXX));
EXPECT_EQ(Visitor.VisitedImplicitInitializer, VisitImplCode);
}
}
} // end anonymous namespace