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      1 // RUN: rm -rf %t
      2 // RUN: %clang_cc1 -fmodules -x objective-c++ -fmodule-cache-path %t -fmodule-name=module_private_left -emit-module %S/Inputs/module.map
      3 // RUN: %clang_cc1 -fmodules -x objective-c++ -fmodule-cache-path %t -fmodule-name=module_private_right -emit-module %S/Inputs/module.map
      4 // RUN: %clang_cc1 -fmodules -x objective-c++ -fmodule-cache-path %t %s -verify
      5 // FIXME: When we have a syntax for modules in C++, use that.
      6 
      7 @__experimental_modules_import module_private_left;
      8 @__experimental_modules_import module_private_right;
      9 
     10 void test() {
     11   int &ir = f0(1.0); // okay: f0() from 'right' is not visible
     12 }
     13 
     14 int test_broken() {
     15   HiddenStruct hidden; // expected-error{{use of undeclared identifier 'HiddenStruct'}}
     16 
     17   Integer i; // expected-error{{use of undeclared identifier 'Integer'}}
     18 
     19   int *ip = 0;
     20   f1(ip); // expected-error{{use of undeclared identifier 'f1'}}
     21 
     22   vector<int> vec; // expected-error{{use of undeclared identifier 'vector'}} \
     23   // expected-error{{expected '(' for function-style cast or type construction}} \
     24   // expected-error{{use of undeclared identifier 'vec'}}
     25 
     26   VisibleStruct vs;
     27   vs.field = 0; // expected-error{{no member named 'field' in 'VisibleStruct'}}
     28   vs.setField(1); // expected-error{{no member named 'setField' in 'VisibleStruct'}}
     29 
     30   return hidden_var; // expected-error{{use of undeclared identifier 'hidden_var'}}
     31 }
     32 
     33 // Check for private redeclarations of public entities.
     34 template<typename T>
     35 class public_class_template;
     36 
     37 template<typename T>
     38 __module_private__ class public_class_template;
     39 
     40 
     41 typedef int public_typedef;
     42 typedef __module_private__ int public_typedef;
     43 
     44 extern int public_var;
     45 extern __module_private__ int public_var;
     46 
     47 void public_func();
     48 __module_private__ void public_func();
     49 
     50 template<typename T>
     51 void public_func_template();
     52 template<typename T>
     53 __module_private__ void public_func_template();
     54 
     55 struct public_struct;
     56 __module_private__ struct public_struct;
     57 
     58 // Check for attempts to make specializations private
     59 template<> __module_private__ void public_func_template<int>(); // expected-error{{template specialization cannot be declared __module_private__}}
     60 
     61 template<typename T>
     62 struct public_class {
     63   struct inner_struct;
     64   static int static_var;
     65 
     66   friend __module_private__ void public_func_friend();
     67   friend __module_private__ struct public_struct_friend;
     68 };
     69 
     70 template<> __module_private__ struct public_class<int>::inner_struct { }; // expected-error{{member specialization cannot be declared __module_private__}}
     71 template<> __module_private__ int public_class<int>::static_var = 17; // expected-error{{member specialization cannot be declared __module_private__}}
     72 
     73 template<>
     74 __module_private__ struct public_class<float> { }; // expected-error{{template specialization cannot be declared __module_private__}}
     75 
     76 template<typename T>
     77 __module_private__ struct public_class<T *> { }; // expected-error{{partial specialization cannot be declared __module_private__}}
     78 
     79 // Check for attempts to make parameters and variables with automatic
     80 // storage module-private.
     81 
     82 void local_var_private(__module_private__ int param) { // expected-error{{parameter 'param' cannot be declared __module_private__}}
     83   __module_private__ struct Local { int x, y; } local; //expected-error{{local variable 'local' cannot be declared __module_private__}}
     84 
     85   __module_private__ struct OtherLocal { int x; }; // expected-error{{local struct cannot be declared __module_private__}}
     86 
     87   typedef __module_private__ int local_typedef; // expected-error{{typedef 'local_typedef' cannot be declared __module_private__}}
     88 }
     89 
     90 // Check struct size
     91 struct LikeVisibleStruct {
     92   int field;
     93   virtual void setField(int f);
     94 };
     95 
     96 int check_struct_size[sizeof(VisibleStruct) == sizeof(LikeVisibleStruct)? 1 : -1];
     97