clang/test/Modules/submodule-visibility-pch.c

   1 // Verify that the use of a PCH does not accidentally make modules from the PCH
   2 // visible to submodules when using -fmodules-local-submodule-visibility
   3 // and -fmodule-name to trigger a textual include.
   4
   5 // RUN: rm -rf %t
   6 // RUN: split-file %s %t
   7
   8 // First check that it works with a header
   9
  10 // RUN: %clang_cc1 -fmodules -fmodules-cache-path=%t/cache \
  11 // RUN:   -fmodules-local-submodule-visibility -fimplicit-module-maps \
  12 // RUN:   -fmodule-name=Mod \
  13 // RUN:   %t/tu.c -include %t/prefix.h -I %t -verify
  14
  15 // Now with a PCH
  16
  17 // RUN: %clang_cc1 -fmodules -fmodules-cache-path=%t/cache \
  18 // RUN:   -fmodules-local-submodule-visibility -fimplicit-module-maps \
  19 // RUN:   -x c-header %t/prefix.h -emit-pch -o %t/prefix.pch -I %t
  20
  21 // RUN: %clang_cc1 -fmodules -fmodules-cache-path=%t/cache \
  22 // RUN:   -fmodules-local-submodule-visibility -fimplicit-module-maps \
  23 // RUN:   -fmodule-name=Mod \
  24 // RUN:   %t/tu.c -include-pch %t/prefix.pch -I %t -verify
  25
  26 //--- module.modulemap
  27 module ModViaPCH { header "ModViaPCH.h" }
  28 module ModViaInclude { header "ModViaInclude.h" }
  29 module Mod { header "Mod.h" }
  30 module SomeOtherMod { header "SomeOtherMod.h" }
  31
  32 //--- ModViaPCH.h
  33 #define ModViaPCH 1
  34
  35 //--- ModViaInclude.h
  36 #define ModViaInclude 2
  37
  38 //--- SomeOtherMod.h
  39 // empty
  40
  41 //--- Mod.h
  42 #include "SomeOtherMod.h"
  43 #ifdef ModViaPCH
  44 #error "Visibility violation ModViaPCH"
  45 #endif
  46 #ifdef ModViaInclude
  47 #error "Visibility violation ModViaInclude"
  48 #endif
  49
  50 //--- prefix.h
  51 #include "ModViaPCH.h"
  52
  53 //--- tu.c
  54 #include "ModViaInclude.h"
  55 #include "Mod.h"
  56 // expected-no-diagnostics