1// RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s
2struct Data { };
3struct T {
4  Data *begin();
5  Data *end();
6};
7
8struct NoBegin {
9  Data *end();
10};
11
12struct DeletedEnd : public T {
13  Data *begin();
14  Data *end() = delete; //expected-note {{'end' has been explicitly marked deleted here}}
15};
16
17struct DeletedADLBegin { };
18
19int* begin(DeletedADLBegin) = delete; //expected-note {{candidate function has been explicitly deleted}} \
20 expected-note 5 {{candidate function not viable: no known conversion}}
21
22struct PrivateEnd {
23  Data *begin();
24
25 private:
26  Data *end(); // expected-note 2 {{declared private here}}
27};
28
29struct ADLNoEnd { };
30Data * begin(ADLNoEnd); // expected-note 6 {{candidate function not viable: no known conversion}}
31
32struct OverloadedStar {
33  T operator*();
34};
35
36void f() {
37  T t;
38  for (auto i : t) { }
39  T *pt;
40  for (auto i : pt) { } // expected-error{{invalid range expression of type 'T *'; did you mean to dereference it with '*'?}}
41
42  int arr[10];
43  for (auto i : arr) { }
44  int (*parr)[10];
45  for (auto i : parr) { }// expected-error{{invalid range expression of type 'int (*)[10]'; did you mean to dereference it with '*'?}}
46
47  NoBegin NB;
48  for (auto i : NB) { }// expected-error{{range type 'NoBegin' has 'end' member but no 'begin' member}}
49  NoBegin *pNB;
50  for (auto i : pNB) { }// expected-error{{invalid range expression of type 'NoBegin *'; no viable 'begin' function available}}
51  NoBegin **ppNB;
52  for (auto i : ppNB) { }// expected-error{{invalid range expression of type 'NoBegin **'; no viable 'begin' function available}}
53  NoBegin *****pppppNB;
54  for (auto i : pppppNB) { }// expected-error{{invalid range expression of type 'NoBegin *****'; no viable 'begin' function available}}
55
56  ADLNoEnd ANE;
57  for (auto i : ANE) { } // expected-error{{invalid range expression of type 'ADLNoEnd'; no viable 'end' function available}}
58  ADLNoEnd *pANE;
59  for (auto i : pANE) { } // expected-error{{invalid range expression of type 'ADLNoEnd *'; no viable 'begin' function available}}
60
61  DeletedEnd DE;
62  for (auto i : DE) { } // expected-error{{attempt to use a deleted function}} \
63expected-note {{when looking up 'end' function for range expression of type 'DeletedEnd'}}
64  DeletedEnd *pDE;
65
66  for (auto i : pDE) { } // expected-error {{invalid range expression of type 'DeletedEnd *'; no viable 'begin' function available}}
67
68  PrivateEnd PE;
69  // FIXME: This diagnostic should be improved, as it does not specify that
70  // the range is invalid.
71  for (auto i : PE) { } // expected-error{{'end' is a private member of 'PrivateEnd'}}
72
73  PrivateEnd *pPE;
74  for (auto i : pPE) { }// expected-error {{invalid range expression of type 'PrivateEnd *'}}
75  // expected-error@-1 {{'end' is a private member of 'PrivateEnd'}}
76
77  DeletedADLBegin DAB;
78  for (auto i : DAB) { } // expected-error {{call to deleted function 'begin'}}\
79  expected-note {{when looking up 'begin' function for range expression of type 'DeletedADLBegin'}}
80
81  OverloadedStar OS;
82  for (auto i : *OS) { }
83
84  for (auto i : OS) { } // expected-error {{invalid range expression of type 'OverloadedStar'; did you mean to dereference it with '*'?}}
85
86  for (Data *p : pt) { } // expected-error {{invalid range expression of type 'T *'; did you mean to dereference it with '*'?}}
87  // expected-error@-1 {{no viable conversion from 'Data' to 'Data *'}}
88  // expected-note@4 {{selected 'begin' function with iterator type 'Data *'}}
89}
90