1 // RUN: rm -rf %t
2 // RUN: mkdir %t
3 //
4 // Some of the following tests intentionally have no -verify in their RUN
5 // lines; we are testing that those cases do not produce errors.
6 //
7 // RUN: %clang_cc1 -fmodules-ts -std=c++17 %S/global-vs-module.cpp -emit-module-interface -o %t/M.pcm -DNO_GLOBAL -DEXPORT
8 // RUN: %clang_cc1 -fmodules-ts -std=c++17 %s -fmodule-file=%t/M.pcm -DMODULE_INTERFACE -verify
9 // RUN: %clang_cc1 -fmodules-ts -std=c++17 %s -fmodule-file=%t/M.pcm -DMODULE_INTERFACE -DNO_IMPORT
10 //
11 // RUN: %clang_cc1 -fmodules-ts -std=c++17 %s -fmodule-file=%t/M.pcm -emit-module-interface -o %t/N.pcm -DMODULE_INTERFACE -DNO_ERRORS
12 // RUN: %clang_cc1 -fmodules-ts -std=c++17 %s -fmodule-file=%t/N.pcm -verify
13 // FIXME: Once we start importing "import" declarations properly, this should
14 // be rejected (-verify should be added to the following line).
15 // RUN: %clang_cc1 -fmodules-ts -std=c++17 %s -fmodule-file=%t/N.pcm -DNO_IMPORT
16 //
17 // RUN: %clang_cc1 -fmodules-ts -std=c++17 %s -fmodule-file=%t/M.pcm -emit-module-interface -o %t/N-no-M.pcm -DMODULE_INTERFACE -DNO_ERRORS -DNO_IMPORT
18 // RUN: %clang_cc1 -fmodules-ts -std=c++17 %s -fmodule-file=%t/N-no-M.pcm -verify
19 // RUN: %clang_cc1 -fmodules-ts -std=c++17 %s -fmodule-file=%t/N-no-M.pcm -DNO_IMPORT
20 
21 #ifdef MODULE_INTERFACE
22 export
23 #endif
24 module N;
25 
26 #ifndef NO_IMPORT
27 import M;
28 #endif
29 
30 #ifndef NO_ERRORS
31 extern int var; // expected-error {{declaration of 'var' in module N follows declaration in module M}} expected-note@global-vs-module.cpp:38 {{previous}}
32 int func(); // expected-error {{declaration of 'func' in module N follows declaration in module M}} expected-note@global-vs-module.cpp:39 {{previous}}
33 struct str; // expected-error {{declaration of 'str' in module N follows declaration in module M}} expected-note@global-vs-module.cpp:40 {{previous}}
34 using type = int;
35 
36 template<typename> extern int var_tpl; // expected-error {{declaration of 'var_tpl' in module N follows declaration in module M}} expected-note@global-vs-module.cpp:43 {{previous}}
37 template<typename> int func_tpl(); // expected-error {{declaration of 'func_tpl' in module N follows declaration in module M}} expected-note@global-vs-module.cpp:45 {{previous}}
38 template<typename> struct str_tpl; // expected-error {{declaration of 'str_tpl' in module N follows declaration in module M}} expected-note@global-vs-module.cpp:46 {{previous}}
39 template<typename> using type_tpl = int; // expected-error {{declaration of 'type_tpl' in module N follows declaration in module M}} expected-note@global-vs-module.cpp:47 {{previous}}
40 
41 typedef int type;
42 namespace ns { using ::func; }
43 namespace ns_alias = ns;
44 #endif
45