clang/test/Modules/cxx20-10-3-ex2.cpp

   1 // RUN: rm -rf %t
   2 // RUN: mkdir -p %t
   3 // RUN: split-file %s %t
   4
   5 // RUN: %clang_cc1 -std=c++20 -emit-module-interface %t/std10-3-ex2-tu1.cpp \
   6 // RUN:  -o %t/M.pcm
   7
   8 // RUN: %clang_cc1 -std=c++20 -S %t/std10-3-ex2-tu2.cpp \
   9 // RUN:  -fmodule-file=M=%t/M.pcm -o %t/tu_8.s -verify
  10
  11 // RUN: %clang_cc1 -std=c++20 -emit-module-interface %t/std10-3-ex2-tu3.cpp \
  12 // RUN:  -o %t/M.pcm -verify
  13
  14 //--- std10-3-ex2-tu1.cpp
  15 export module M;
  16
  17 //--- std10-3-ex2-tu2.cpp
  18 module M;
  19           // error: cannot import M in its own unit
  20 import M; // expected-error {{import of module 'M' appears within its own implementation}}
  21
  22 //--- std10-3-ex2-tu3.cpp
  23 export module M;
  24           // error: cannot import M in its own unit
  25 import M; // expected-error {{import of module 'M' appears within its own interface}}