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// RUN: %check_clang_tidy %s cppcoreguidelines-special-member-functions %t -- -config="{CheckOptions: {cppcoreguidelines-special-member-functions.AllowMissingMoveFunctions: true, cppcoreguidelines-special-member-functions.AllowSoleDefaultDtor: true, cppcoreguidelines-special-member-functions.AllowImplicitlyDeletedCopyOrMove: true}}" --
// Don't warn on destructors without definitions, they might be defaulted in another TU.
class DeclaresDestructor {
~DeclaresDestructor();
};
class DefinesDestructor {
~DefinesDestructor();
};
DefinesDestructor::~DefinesDestructor() {}
// CHECK-MESSAGES: [[@LINE-4]]:7: warning: class 'DefinesDestructor' defines a non-default destructor but does not define a copy constructor or a copy assignment operator [cppcoreguidelines-special-member-functions]
class DefinesDefaultedDestructor {
~DefinesDefaultedDestructor() = default;
};
class DefinesDefaultedDestructorOutside {
~DefinesDefaultedDestructorOutside();
};
DefinesDefaultedDestructorOutside::~DefinesDefaultedDestructorOutside() = default;
class DefinesCopyConstructor {
DefinesCopyConstructor(const DefinesCopyConstructor &);
};
// CHECK-MESSAGES: [[@LINE-3]]:7: warning: class 'DefinesCopyConstructor' defines a copy constructor but does not define a destructor or a copy assignment operator [cppcoreguidelines-special-member-functions]
class DefinesCopyAssignment {
DefinesCopyAssignment &operator=(const DefinesCopyAssignment &);
};
// CHECK-MESSAGES: [[@LINE-3]]:7: warning: class 'DefinesCopyAssignment' defines a copy assignment operator but does not define a destructor or a copy constructor [cppcoreguidelines-special-member-functions]
class DefinesMoveConstructor {
DefinesMoveConstructor(DefinesMoveConstructor &&);
};
// CHECK-MESSAGES: [[@LINE-3]]:7: warning: class 'DefinesMoveConstructor' defines a move constructor but does not define a destructor or a move assignment operator [cppcoreguidelines-special-member-functions]
class DefinesMoveAssignment {
DefinesMoveAssignment &operator=(DefinesMoveAssignment &&);
};
// CHECK-MESSAGES: [[@LINE-3]]:7: warning: class 'DefinesMoveAssignment' defines a move assignment operator but does not define a destructor or a move constructor [cppcoreguidelines-special-member-functions]
class DefinesNothing {
};
class DefinesEverything {
DefinesEverything(const DefinesEverything &);
DefinesEverything &operator=(const DefinesEverything &);
DefinesEverything(DefinesEverything &&);
DefinesEverything &operator=(DefinesEverything &&);
~DefinesEverything();
};
class DeletesEverything {
DeletesEverything(const DeletesEverything &) = delete;
DeletesEverything &operator=(const DeletesEverything &) = delete;
DeletesEverything(DeletesEverything &&) = delete;
DeletesEverything &operator=(DeletesEverything &&) = delete;
~DeletesEverything() = delete;
};
class DeletesCopyDefaultsMove {
DeletesCopyDefaultsMove(const DeletesCopyDefaultsMove &) = delete;
DeletesCopyDefaultsMove &operator=(const DeletesCopyDefaultsMove &) = delete;
DeletesCopyDefaultsMove(DeletesCopyDefaultsMove &&) = default;
DeletesCopyDefaultsMove &operator=(DeletesCopyDefaultsMove &&) = default;
~DeletesCopyDefaultsMove() = default;
};
template <typename T>
struct TemplateClass {
TemplateClass() = default;
TemplateClass(const TemplateClass &);
TemplateClass &operator=(const TemplateClass &);
TemplateClass(TemplateClass &&);
TemplateClass &operator=(TemplateClass &&);
~TemplateClass();
};
// Multiple instantiations of a class template will trigger multiple matches for defined special members.
// This should not cause problems.
TemplateClass<int> InstantiationWithInt;
TemplateClass<double> InstantiationWithDouble;
struct NoCopy
{
NoCopy() = default;
~NoCopy() = default;
NoCopy(const NoCopy&) = delete;
NoCopy(NoCopy&&) = delete;
NoCopy& operator=(const NoCopy&) = delete;
NoCopy& operator=(NoCopy&&) = delete;
};
// CHECK-MESSAGES: [[@LINE+1]]:8: warning: class 'NonCopyable' defines a copy constructor but does not define a destructor or a copy assignment operator [cppcoreguidelines-special-member-functions]
struct NonCopyable : NoCopy
{
NonCopyable() = default;
NonCopyable(const NonCopyable&) = delete;
};
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