llvm-project/clang/test/SemaCXX/destructor.cpp

123 lines
2.9 KiB
C++

// RUN: %clang_cc1 -fsyntax-only -verify %s
class A {
public:
~A();
};
class B {
public:
~B() { }
};
class C {
public:
(~C)() { }
};
struct D {
static void ~D(int, ...) const { } // \
// expected-error{{type qualifier is not allowed on this function}} \
// 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();
}
}