1 files changed, 140 insertions, 0 deletions
diff --git a/test/Modules/module-private.cpp b/test/Modules/module-private.cpp
new file mode 100644
index 0000000000000..7bd2a205c055b
--- /dev/null
+++ b/test/Modules/module-private.cpp
@@ -0,0 +1,140 @@
+// RUN: mkdir -p %t
+// RUN: %clang_cc1 -x c++ -emit-module -o %t/left.pcm %s -D MODULE_LEFT
+// RUN: %clang_cc1 -x c++ -emit-module -o %t/right.pcm %s -D MODULE_RIGHT
+// RUN: %clang_cc1 -fmodule-cache-path %t -fdisable-module-hash %s -verify
+
+#if defined(MODULE_LEFT)
+
+__module_private__ struct HiddenStruct;
+
+struct HiddenStruct {
+};
+
+
+int &f0(int);
+
+template<typename T>
+__module_private__ void f1(T*);
+
+template<typename T>
+void f1(T*);
+
+template<typename T>
+__module_private__ class vector;
+
+template<typename T>
+class vector {
+};
+
+vector<float> vec_float;
+
+typedef __module_private__ int Integer;
+typedef int Integer;
+
+#elif defined(MODULE_RIGHT)
+__module_private__ double &f0(double);
+double &f0(double);
+
+__module_private__ int hidden_var;
+
+inline void test_f0_in_right() {
+  double &dr = f0(hidden_var);
+}
+
+struct VisibleStruct {
+  __module_private__ int field;
+  __module_private__ virtual void setField(int f);
+};
+
+#else
+__import_module__ left;
+__import_module__ right;
+
+void test() {
+  int &ir = f0(1.0); // okay: f0() from 'right' is not visible
+}
+
+int test_broken() {
+  HiddenStruct hidden; // expected-error{{use of undeclared identifier 'HiddenStruct'}}
+
+  Integer i; // expected-error{{use of undeclared identifier 'Integer'}}
+
+  int *ip = 0;
+  f1(ip); // expected-error{{use of undeclared identifier 'f1'}}
+
+  vector<int> vec; // expected-error{{use of undeclared identifier 'vector'}} \
+  // expected-error{{expected '(' for function-style cast or type construction}} \
+  // expected-error{{use of undeclared identifier 'vec'}}
+
+  VisibleStruct vs;
+  vs.field = 0; // expected-error{{no member named 'field' in 'VisibleStruct'}}
+  vs.setField(1); // expected-error{{no member named 'setField' in 'VisibleStruct'}}
+
+  return hidden_var; // expected-error{{use of undeclared identifier 'hidden_var'}}
+}
+
+// Check for private redeclarations of public entities.
+template<typename T>
+class public_class_template; // expected-note{{previous declaration is here}}
+
+template<typename T>
+__module_private__ class public_class_template; // expected-error{{__module_private__ declaration of 'public_class_template' follows public declaration}}
+
+
+typedef int public_typedef; // expected-note{{previous declaration is here}}
+typedef __module_private__ int public_typedef; // expected-error{{__module_private__ declaration of 'public_typedef' follows public declaration}}
+
+extern int public_var; // expected-note{{previous declaration is here}}
+extern __module_private__ int public_var; // expected-error{{__module_private__ declaration of 'public_var' follows public declaration}}
+
+void public_func(); // expected-note{{previous declaration is here}}
+__module_private__ void public_func(); // expected-error{{__module_private__ declaration of 'public_func' follows public declaration}}
+
+template<typename T>
+void public_func_template(); // expected-note{{previous declaration is here}}
+template<typename T>
+__module_private__ void public_func_template(); // expected-error{{__module_private__ declaration of 'public_func_template' follows public declaration}}
+
+struct public_struct; // expected-note{{previous declaration is here}}
+__module_private__ struct public_struct; // expected-error{{__module_private__ declaration of 'public_struct' follows public declaration}}
+
+// Check for attempts to make specializations private
+template<> __module_private__ void public_func_template<int>(); // expected-error{{template specialization cannot be declared __module_private__}}
+
+template<typename T>
+struct public_class {
+  struct inner_struct;
+  static int static_var;
+
+  friend __module_private__ void public_func_friend();
+  friend __module_private__ struct public_struct_friend;
+};
+
+template<> __module_private__ struct public_class<int>::inner_struct { }; // expected-error{{member specialization cannot be declared __module_private__}}
+template<> __module_private__ int public_class<int>::static_var = 17; // expected-error{{member specialization cannot be declared __module_private__}}
+
+template<>
+__module_private__ struct public_class<float> { }; // expected-error{{template specialization cannot be declared __module_private__}}
+
+template<typename T>
+__module_private__ struct public_class<T *> { }; // expected-error{{partial specialization cannot be declared __module_private__}}
+
+// Check for attempts to make parameters and variables with automatic
+// storage module-private.
+
+void local_var_private(__module_private__ int param) { // expected-error{{parameter 'param' cannot be declared __module_private__}}
+  __module_private__ struct Local { int x, y; } local; //expected-error{{local variable 'local' cannot be declared __module_private__}}
+
+  __module_private__ struct OtherLocal { int x; }; // expected-error{{local struct cannot be declared __module_private__}}
+
+  typedef __module_private__ int local_typedef; // expected-error{{typedef 'local_typedef' cannot be declared __module_private__}}
+}
+
+// Check struct size
+struct LikeVisibleStruct {
+  int field;
+  virtual void setField(int f);
+};
+
+int check_struct_size[sizeof(VisibleStruct) == sizeof(LikeVisibleStruct)? 1 : -1];
+#endif