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      1 // RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s
      2 struct Data { };
      3 struct T {
      4   Data *begin();
      5   Data *end();
      6 };
      7 
      8 struct NoBegin {
      9   Data *end();
     10 };
     11 
     12 struct DeletedEnd : public T {
     13   Data *begin();
     14   Data *end() = delete; //expected-note {{function has been explicitly marked deleted here}}
     15 };
     16 
     17 struct DeletedADLBegin { };
     18 
     19 int* begin(DeletedADLBegin) = delete; //expected-note {{candidate function has been explicitly deleted}} \
     20  expected-note 5 {{candidate function not viable: no known conversion}}
     21 
     22 struct PrivateEnd {
     23   Data *begin();
     24 
     25  private:
     26   Data *end(); // expected-note 2 {{declared private here}}
     27 };
     28 
     29 struct ADLNoEnd { };
     30 Data * begin(ADLNoEnd); // expected-note 6 {{candidate function not viable: no known conversion}}
     31 
     32 struct OverloadedStar {
     33   T operator*();
     34 };
     35 
     36 void 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}} \
     63 expected-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