minix/external/bsd/llvm/dist/clang/test/SemaCXX/virtuals.cpp
Lionel Sambuc f4a2713ac8 Importing netbsd clang -- pristine
Change-Id: Ia40e9ffdf29b5dab2f122f673ff6802a58bc690f
2014-07-28 17:05:57 +02:00

53 lines
1.6 KiB
C++

// RUN: %clang_cc1 -fsyntax-only -fcxx-exceptions -verify -std=c++11 %s
class A {
virtual void f();
virtual void g() = 0; // expected-note{{unimplemented pure virtual method 'g' in 'A'}}
void h() = 0; // expected-error {{'h' is not virtual and cannot be declared pure}}
void i() = 1; // expected-error {{initializer on function does not look like a pure-specifier}}
void j() = 0u; // expected-error {{initializer on function does not look like a pure-specifier}}
void k();
public:
A(int);
};
virtual void A::k() { } // expected-error{{'virtual' can only be specified inside the class definition}}
class B : public A {
// Needs to recognize that overridden function is virtual.
void g() = 0;
// Needs to recognize that function does not override.
void g(int) = 0; // expected-error{{'g' is not virtual and cannot be declared pure}}
};
// Needs to recognize invalid uses of abstract classes.
A fn(A) // expected-error{{parameter type 'A' is an abstract class}} \
// expected-error{{return type 'A' is an abstract class}}
{
A a; // expected-error{{variable type 'A' is an abstract class}}
(void)static_cast<A>(0); // expected-error{{allocating an object of abstract class type 'A'}}
try {
} catch(A) { // expected-error{{variable type 'A' is an abstract class}}
}
}
namespace rdar9670557 {
typedef int func(int);
func *a();
struct X {
virtual func f = 0;
virtual func (g) = 0;
func *h = 0;
};
}
namespace pr8264 {
struct Test {
virtual virtual void func(); // expected-warning {{duplicate 'virtual' declaration specifier}}
};
}