llvm-project/clang/test/SemaTemplate/ms-lookup-template-base-cla...

146 lines
3.5 KiB
C++

// RUN: %clang_cc1 -fms-compatibility -fsyntax-only -verify %s
template <class T>
class A {
public:
void f(T a) { }// expected-note {{must qualify identifier to find this declaration in dependent base class}}
void g();// expected-note {{must qualify identifier to find this declaration in dependent base class}}
};
template <class T>
class B : public A<T> {
public:
void z(T a)
{
f(a); // expected-warning {{use of identifier 'f' found via unqualified lookup into dependent bases of class templates is a Microsoft extension}}
g(); // expected-warning {{use of identifier 'g' found via unqualified lookup into dependent bases of class templates is a Microsoft extension}}
}
};
template class B<int>; // expected-note {{requested here}}
template class B<char>;
void test()
{
B<int> b;
b.z(3);
}
namespace lookup_dependent_bases_id_expr {
template<class T> class A {
public:
int var;
};
template<class T>
class B : public A<T> {
public:
void f() {
var = 3;
}
};
template class B<int>;
}
namespace lookup_dependent_base_class_static_function {
template <class T>
class A {
public:
static void static_func();// expected-note {{must qualify identifier to find this declaration in dependent base class}}
void func();// expected-note {{must qualify identifier to find this declaration in dependent base class}}
};
template <class T>
class B : public A<T> {
public:
static void z2(){
static_func(); // expected-warning {{use of identifier 'static_func' found via unqualified lookup into dependent bases of class templates is a Microsoft extension}}
func(); // expected-warning {{use of identifier 'func' found via unqualified lookup into dependent bases of class templates is a Microsoft extension}} expected-error {{call to non-static member function without an object argument}}
}
};
template class B<int>; // expected-note {{requested here}}
}
namespace lookup_dependent_base_class_default_argument {
template<class T>
class A {
public:
static int f1(); // expected-note {{must qualify identifier to find this declaration in dependent base class}}
int f2(); // expected-note {{must qualify identifier to find this declaration in dependent base class}}
};
template<class T>
class B : public A<T> {
public:
void g1(int p = f1());// expected-warning {{use of identifier 'f1' found via unqualified lookup into dependent bases of class templates is a Microsoft extension}}
void g2(int p = f2());// expected-warning {{use of identifier 'f2' found via unqualified lookup into dependent bases of class templates is a Microsoft extension}} expected-error {{call to non-static member function without an object argument}}
};
void foo()
{
B<int> b;
b.g1(); // expected-note {{required here}}
b.g2(); // expected-note {{required here}}
}
}
namespace lookup_dependent_base_class_friend {
template <class T>
class B {
public:
static void g(); // expected-note {{must qualify identifier to find this declaration in dependent base class}}
};
template <class T>
class A : public B<T> {
public:
friend void foo(A<T> p){
g(); // expected-warning {{use of identifier 'g' found via unqualified lookup into dependent bases of class templates is a Microsoft extension}}
}
};
int main2()
{
A<int> a;
foo(a); // expected-note {{requested here}}
}
}
namespace lookup_dependent_base_no_typo_correction {
class C {
public:
int m_hWnd;
};
template <class T>
class A : public T {
public:
void f(int hWnd) {
m_hWnd = 1;
}
};
template class A<C>;
}