1 | // RUN: %clang_cc1 -fsyntax-only -verify %s |
2 | |
3 | namespace test0 { |
4 | template <class T> class A { |
5 | class Member {}; |
6 | }; |
7 | |
8 | class B { |
9 | template <class T> friend class A<T>::Member; // expected-warning {{not supported}} |
10 | int n; |
11 | }; |
12 | |
13 | A<int> a; |
14 | B b; |
15 | } |
16 | |
17 | // rdar://problem/8204127 |
18 | namespace test1 { |
19 | template <class T> struct A; |
20 | |
21 | class C { |
22 | static void foo(); |
23 | template <class T> friend void A<T>::f(); // expected-warning {{not supported}} |
24 | }; |
25 | |
26 | template <class T> struct A { |
27 | void f() { C::foo(); } |
28 | }; |
29 | |
30 | template <class T> struct A<T*> { |
31 | void f() { C::foo(); } |
32 | }; |
33 | |
34 | template <> struct A<char> { |
35 | void f() { C::foo(); } |
36 | }; |
37 | } |
38 | |
39 | // FIXME: these should fail! |
40 | namespace test2 { |
41 | template <class T> struct A; |
42 | |
43 | class C { |
44 | static void foo(); |
45 | template <class T> friend void A<T>::g(); // expected-warning {{not supported}} |
46 | }; |
47 | |
48 | template <class T> struct A { |
49 | void f() { C::foo(); } |
50 | }; |
51 | |
52 | template <class T> struct A<T*> { |
53 | void f() { C::foo(); } |
54 | }; |
55 | |
56 | template <> struct A<char> { |
57 | void f() { C::foo(); } |
58 | }; |
59 | } |
60 | |
61 | // Tests 3, 4 and 5 were all noted in <rdar://problem/8540527>. |
62 | namespace test3 { |
63 | template <class T> struct A { |
64 | struct Inner { |
65 | static int foo(); |
66 | }; |
67 | }; |
68 | |
69 | template <class U> class C { |
70 | int i; |
71 | template <class T> friend struct A<T>::Inner; // expected-warning {{not supported}} |
72 | }; |
73 | |
74 | template <class T> int A<T>::Inner::foo() { |
75 | C<int> c; |
76 | c.i = 0; |
77 | return 0; |
78 | } |
79 | |
80 | int test = A<int>::Inner::foo(); |
81 | } |
82 | |
83 | namespace test4 { |
84 | template <class T> struct X { |
85 | template <class U> void operator+=(U); |
86 | |
87 | template <class V> |
88 | template <class U> |
89 | friend void X<V>::operator+=(U); // expected-warning {{not supported}} |
90 | }; |
91 | |
92 | void test() { |
93 | X<int>() += 1.0; |
94 | } |
95 | } |
96 | |
97 | namespace test5 { |
98 | template<template <class> class T> struct A { |
99 | template<template <class> class U> friend void A<U>::foo(); // expected-warning {{not supported}} |
100 | }; |
101 | |
102 | template <class> struct B {}; |
103 | template class A<B>; |
104 | } |
105 | |