1 files changed, 96 insertions, 0 deletions
diff --git a/clang/test/Modules/module-private.cpp b/clang/test/Modules/module-private.cpp
new file mode 100644
index 0000000..246dcaf
--- /dev/null
+++ b/clang/test/Modules/module-private.cpp
@@ -0,0 +1,96 @@
+// RUN: rm -rf %t
+// RUN: %clang_cc1 -fmodules -x objective-c++ -fmodule-cache-path %t -fmodule-name=module_private_left -emit-module %S/Inputs/module.map
+// RUN: %clang_cc1 -fmodules -x objective-c++ -fmodule-cache-path %t -fmodule-name=module_private_right -emit-module %S/Inputs/module.map
+// RUN: %clang_cc1 -fmodules -x objective-c++ -fmodule-cache-path %t %s -verify
+// FIXME: When we have a syntax for modules in C++, use that.
+
+@__experimental_modules_import module_private_left;
+@__experimental_modules_import module_private_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;
+
+template<typename T>
+__module_private__ class public_class_template;
+
+
+typedef int public_typedef;
+typedef __module_private__ int public_typedef;
+
+extern int public_var;
+extern __module_private__ int public_var;
+
+void public_func();
+__module_private__ void public_func();
+
+template<typename T>
+void public_func_template();
+template<typename T>
+__module_private__ void public_func_template();
+
+struct public_struct;
+__module_private__ struct public_struct;
+
+// 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];