blob: 5baf2ad1b2324e0d3752d0e843e06d7964b34674 [file] [log] [blame]
// RUN: clang-cc -fsyntax-only -verify %s
template<typename T>
class X {
public:
void f(T x); // expected-error{{argument may not have 'void' type}}
void g(T*);
static int h(T, T); // expected-error 2{{argument may not have 'void' type}}
};
int identity(int x) { return x; }
void test(X<int> *xi, int *ip, X<int(int)> *xf) {
xi->f(17);
xi->g(ip);
xf->f(&identity);
xf->g(identity);
X<int>::h(17, 25);
X<int(int)>::h(identity, &identity);
}
void test_bad() {
X<void> xv; // expected-note{{in instantiation of template class 'class X<void>' requested here}}
}
template<typename T, typename U>
class Overloading {
public:
int& f(T, T); // expected-note{{previous declaration is here}}
float& f(T, U); // expected-error{{functions that differ only in their return type cannot be overloaded}}
};
void test_ovl(Overloading<int, long> *oil, int i, long l) {
int &ir = oil->f(i, i);
float &fr = oil->f(i, l);
}
void test_ovl_bad() {
Overloading<float, float> off; // expected-note{{in instantiation of template class 'class Overloading<float, float>' requested here}}
}
template<typename T>
class HasDestructor {
virtual ~HasDestructor() = 0;
};
int i = sizeof(HasDestructor<int>); // FIXME: forces instantiation, but
// the code below should probably instantiate by itself.
int abstract_destructor[__is_abstract(HasDestructor<int>)? 1 : -1];