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author | Zancanaro; Carlo <czan8762@plang3.cs.usyd.edu.au> | 2012-09-24 09:58:17 +1000 |
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committer | Zancanaro; Carlo <czan8762@plang3.cs.usyd.edu.au> | 2012-09-24 09:58:17 +1000 |
commit | 222e2a7620e6520ffaf4fc4e69d79c18da31542e (patch) | |
tree | 7bfbc05bfa3b41c8f9d2e56d53a0bc3e310df239 /clang/test/SemaCXX/destructor.cpp | |
parent | 3d206f03985b50beacae843d880bccdc91a9f424 (diff) |
Add the clang library to the repo (with some of my changes, too).
Diffstat (limited to 'clang/test/SemaCXX/destructor.cpp')
-rw-r--r-- | clang/test/SemaCXX/destructor.cpp | 365 |
1 files changed, 365 insertions, 0 deletions
diff --git a/clang/test/SemaCXX/destructor.cpp b/clang/test/SemaCXX/destructor.cpp new file mode 100644 index 0000000..f3c6ab0 --- /dev/null +++ b/clang/test/SemaCXX/destructor.cpp @@ -0,0 +1,365 @@ +// RUN: %clang_cc1 -std=c++11 -fsyntax-only -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -verify %s +class A { +public: + ~A(); +}; + +class B { +public: + ~B() { } +}; + +class C { +public: + (~C)() { } +}; + +struct D { + static void ~D(int, ...) const { } // \ + // expected-error{{static member function cannot have 'const' qualifier}} \ + // expected-error{{destructor cannot be declared 'static'}} \ + // expected-error{{destructor cannot have any parameters}} \ + // expected-error{{destructor cannot be variadic}} \ + // expected-error{{destructor cannot have a return type}} \ + // expected-error{{'const' qualifier is not allowed on a destructor}} +}; + +struct D2 { + void ~D2() { } // \ + // expected-error{{destructor cannot have a return type}} +}; + + +struct E; + +typedef E E_typedef; +struct E { + ~E_typedef(); // expected-error{{destructor cannot be declared using a typedef 'E_typedef' (aka 'E') of the class name}} +}; + +struct F { + (~F)(); // expected-note {{previous declaration is here}} + ~F(); // expected-error {{destructor cannot be redeclared}} +}; + +~; // expected-error {{expected a class name after '~' to name a destructor}} +~undef(); // expected-error {{expected the class name after '~' to name a destructor}} +~operator+(int, int); // expected-error {{expected a class name after '~' to name a destructor}} +~F(){} // expected-error {{destructor must be a non-static member function}} + +struct G { + ~G(); +}; + +G::~G() { } + +// <rdar://problem/6841210> +struct H { + ~H(void) { } +}; + +struct X {}; + +struct Y { + ~X(); // expected-error {{expected the class name after '~' to name the enclosing class}} +}; + +namespace PR6421 { + class T; // expected-note{{forward declaration}} + + class QGenericArgument // expected-note{{declared here}} + { + template<typename U> + void foo(T t) // expected-error{{variable has incomplete type}} + { } + + void disconnect() + { + T* t; + bob<QGenericArgument>(t); // expected-error{{undeclared identifier 'bob'}} \ + // expected-error{{does not refer to a value}} + } + }; +} + +namespace PR6709 { + template<class T> class X { T v; ~X() { ++*v; } }; + void a(X<int> x) {} +} + +struct X0 { virtual ~X0() throw(); }; +struct X1 : public X0 { }; + +// Make sure we instantiate operator deletes when building a virtual +// destructor. +namespace test6 { + template <class T> class A { + public: + void *operator new(__SIZE_TYPE__); + void operator delete(void *p) { + T::deleteIt(p); // expected-error {{type 'int' cannot be used prior to '::'}} + } + + virtual ~A() {} + }; + + class B : A<int> { B(); }; // expected-note {{in instantiation of member function 'test6::A<int>::operator delete' requested here}} + B::B() {} +} + +// Make sure classes are marked invalid when they have invalid +// members. This avoids a crash-on-invalid. +namespace test7 { + struct A { + ~A() const; // expected-error {{'const' qualifier is not allowed on a destructor}} + }; + struct B : A {}; + + void test() { + B *b; + b->~B(); + } +} + +namespace nonvirtualdtor { +struct S1 { // expected-warning {{has virtual functions but non-virtual destructor}} + virtual void m(); +}; + +struct S2 { + ~S2(); // expected-warning {{has virtual functions but non-virtual destructor}} + virtual void m(); +}; + +struct S3 : public S1 { // expected-warning {{has virtual functions but non-virtual destructor}} + virtual void m(); +}; + +struct S4 : public S2 { // expected-warning {{has virtual functions but non-virtual destructor}} + virtual void m(); +}; + +struct B { + virtual ~B(); + virtual void m(); +}; + +struct S5 : public B { + virtual void m(); +}; + +struct S6 { + virtual void m(); +private: + ~S6(); +}; + +struct S7 { + virtual void m(); +protected: + ~S7(); +}; + +template<class T> class TS : public B { + virtual void m(); +}; + +TS<int> baz; + +template<class T> class TS2 { // expected-warning {{'nonvirtualdtor::TS2<int>' has virtual functions but non-virtual destructor}} + virtual void m(); +}; + +TS2<int> foo; // expected-note {{instantiation}} +} + +namespace dnvd { // delete-non-virtual-dtor warning +struct NP {}; + +struct B { // expected-warning {{has virtual functions but non-virtual destructor}} + virtual void foo(); +}; + +struct D: B {}; // expected-warning {{has virtual functions but non-virtual destructor}} + +struct F final: B {}; // expected-warning {{has virtual functions but non-virtual destructor}} + +struct VB { + virtual void foo(); + virtual ~VB(); +}; + +struct VD: VB {}; + +struct VF final: VB {}; + +template <typename T> +class simple_ptr { +public: + simple_ptr(T* t): _ptr(t) {} + ~simple_ptr() { delete _ptr; } // \ + // expected-warning {{delete called on 'dnvd::B' that has virtual functions but non-virtual destructor}} \ + // expected-warning {{delete called on 'dnvd::D' that has virtual functions but non-virtual destructor}} + T& operator*() const { return *_ptr; } +private: + T* _ptr; +}; + +template <typename T> +class simple_ptr2 { +public: + simple_ptr2(T* t): _ptr(t) {} + ~simple_ptr2() { delete _ptr; } // expected-warning {{delete called on 'dnvd::B' that has virtual functions but non-virtual destructor}} + T& operator*() const { return *_ptr; } +private: + T* _ptr; +}; + +void use(B&); +void use(VB&); + +void nowarnstack() { + B b; use(b); + D d; use(d); + F f; use(f); + VB vb; use(vb); + VD vd; use(vd); + VF vf; use(vf); +} + +void nowarnnonpoly() { + { + NP* np = new NP(); + delete np; + } + { + NP* np = new NP[4]; + delete[] np; + } +} + +void nowarnarray() { + { + B* b = new B[4]; + delete[] b; + } + { + D* d = new D[4]; + delete[] d; + } + { + VB* vb = new VB[4]; + delete[] vb; + } + { + VD* vd = new VD[4]; + delete[] vd; + } +} + +template <typename T> +void nowarntemplate() { + { + T* t = new T(); + delete t; + } + { + T* t = new T[4]; + delete[] t; + } +} + +void nowarn0() { + { + F* f = new F(); + delete f; + } + { + VB* vb = new VB(); + delete vb; + } + { + VB* vb = new VD(); + delete vb; + } + { + VD* vd = new VD(); + delete vd; + } + { + VF* vf = new VF(); + delete vf; + } +} + +void warn0() { + { + B* b = new B(); + delete b; // expected-warning {{delete called on 'dnvd::B' that has virtual functions but non-virtual destructor}} + } + { + B* b = new D(); + delete b; // expected-warning {{delete called on 'dnvd::B' that has virtual functions but non-virtual destructor}} + } + { + D* d = new D(); + delete d; // expected-warning {{delete called on 'dnvd::D' that has virtual functions but non-virtual destructor}} + } +} + +void nowarn1() { + { + simple_ptr<F> f(new F()); + use(*f); + } + { + simple_ptr<VB> vb(new VB()); + use(*vb); + } + { + simple_ptr<VB> vb(new VD()); + use(*vb); + } + { + simple_ptr<VD> vd(new VD()); + use(*vd); + } + { + simple_ptr<VF> vf(new VF()); + use(*vf); + } +} + +void warn1() { + { + simple_ptr<B> b(new B()); // expected-note {{in instantiation of member function 'dnvd::simple_ptr<dnvd::B>::~simple_ptr' requested here}} + use(*b); + } + { + simple_ptr2<B> b(new D()); // expected-note {{in instantiation of member function 'dnvd::simple_ptr2<dnvd::B>::~simple_ptr2' requested here}} + use(*b); + } + { + simple_ptr<D> d(new D()); // expected-note {{in instantiation of member function 'dnvd::simple_ptr<dnvd::D>::~simple_ptr' requested here}} + use(*d); + } +} +} + +namespace PR9238 { + class B { public: ~B(); }; + class C : virtual B { public: ~C() { } }; +} + +namespace PR7900 { + struct A { // expected-note 2{{type 'PR7900::A' is declared here}} + }; + struct B : public A { + }; + void foo() { + B b; + b.~B(); + b.~A(); // expected-error{{destructor type 'PR7900::A' in object destruction expression does not match the type 'PR7900::B' of the object being destroyed}} + (&b)->~A(); // expected-error{{destructor type 'PR7900::A' in object destruction expression does not match the type 'PR7900::B' of the object being destroyed}} + } +} |