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// RUN: %check_clang_tidy %s portability-template-virtual-member-function %t
namespace UninstantiatedVirtualMember {
template<typename T>
struct CrossPlatformError {
virtual ~CrossPlatformError() = default;
static void used() {}
// CHECK-MESSAGES: [[#@LINE+1]]:18: warning: unspecified virtual member function instantiation
virtual void unused() {
T MSVCError = this;
};
};
int main() {
// CHECK-MESSAGES: [[#@LINE+1]]:5: note: template instantiated here
CrossPlatformError<int>::used();
return 0;
}
} // namespace UninstantiatedVirtualMember
namespace UninstantiatedVirtualMembers {
template<typename T>
struct CrossPlatformError {
virtual ~CrossPlatformError() = default;
static void used() {}
// CHECK-MESSAGES: [[#@LINE+2]]:18: warning: unspecified virtual member function instantiation
// CHECK-MESSAGES: [[#@LINE+13]]:5: note: template instantiated here
virtual void unused() {
T MSVCError = this;
};
// CHECK-MESSAGES: [[#@LINE+2]]:18: warning: unspecified virtual member function instantiation
// CHECK-MESSAGES: [[#@LINE+7]]:5: note: template instantiated here
virtual void unused2() {
T MSVCError = this;
};
};
int main() {
CrossPlatformError<int>::used();
return 0;
}
} // namespace UninstantiatedVirtualMembers
namespace UninstantiatedVirtualDestructor {
template<typename T>
struct CrossPlatformError {
// CHECK-MESSAGES: [[#@LINE+2]]:13: warning: unspecified virtual member function instantiation
// CHECK-MESSAGES: [[#@LINE+9]]:5: note: template instantiated here
virtual ~CrossPlatformError() {
T MSVCError = this;
};
static void used() {}
};
int main() {
CrossPlatformError<int>::used();
return 0;
}
} // namespace UninstantiatedVirtualDestructor
namespace MultipleImplicitInstantiations {
template<typename T>
struct CrossPlatformError {
virtual ~CrossPlatformError() = default;
static void used() {}
// CHECK-MESSAGES: [[#@LINE+2]]:18: warning: unspecified virtual member function instantiation
// CHECK-MESSAGES: [[#@LINE+7]]:5: note: template instantiated here
virtual void unused() {
T MSVCError = this;
};
};
int main() {
CrossPlatformError<int>::used();
CrossPlatformError<float>::used();
CrossPlatformError<long>::used();
return 0;
}
} // namespace MultipleImplicitInstantiations
namespace SomeImplicitInstantiationError {
template <typename T> struct CrossPlatformError {
virtual ~CrossPlatformError() = default;
static void used() {}
// CHECK-MESSAGES: [[#@LINE+2]]:18: warning: unspecified virtual member function instantiation
// CHECK-MESSAGES: [[#@LINE+5]]:5: note: template instantiated here
virtual void unused(){};
};
int main() {
CrossPlatformError<int>::used();
CrossPlatformError<float> NoError;
return 0;
}
} // namespace SomeImplicitInstantiationError
namespace InstantiatedVirtualMemberFunctions {
template<typename T>
struct NoError {
virtual ~NoError() {};
virtual void unused() {};
virtual void unused2() {};
virtual void unused3() {};
};
int main() {
NoError<int> Ne;
return 0;
}
} // namespace InstantiatedVirtualMemberFunctions
namespace UninstantiatedNonVirtualMemberFunctions {
template<typename T>
struct NoError {
static void used() {};
void unused() {};
void unused2() {};
void unused3() {};
};
int main() {
NoError<int>::used();
return 0;
}
} // namespace UninstantiatedNonVirtualMemberFunctions
namespace PartialSpecializationError {
template<typename T, typename U>
struct CrossPlatformError {};
template<typename U>
struct CrossPlatformError<int, U>{
virtual ~CrossPlatformError() = default;
static void used() {}
// CHECK-MESSAGES: [[#@LINE+2]]:18: warning: unspecified virtual member function instantiation
// CHECK-MESSAGES: [[#@LINE+7]]:5: note: template instantiated here
virtual void unused() {
U MSVCError = this;
};
};
int main() {
CrossPlatformError<int, float>::used();
return 0;
}
} // namespace PartialSpecializationError
namespace PartialSpecializationNoInstantiation {
template<typename T, typename U>
struct NoInstantiation {};
template<typename U>
struct NoInstantiation<int, U>{
virtual ~NoInstantiation() = default;
static void used() {}
virtual void unused() {
U MSVCError = this;
};
};
} // namespace PartialSpecializationNoInstantiation
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