clang/test/Modules/no-implicit-builds.cpp

   1 // RUN: rm -rf %t
   2
   3 // RUN: %clang -x c++ -std=c++11 -fmodules -fno-implicit-modules /dev/null -### \
   4 // RUN:     2>&1 | FileCheck --check-prefix=CHECK-NO-MODULE-CACHE %s
   5 // CHECK-NO-MODULE-CACHE-NOT: -fmodules-cache-path
   6
   7 // Produce an error if a module is needed, but not found.
   8 // RUN: %clang_cc1 -x c++ -std=c++11 -fmodules -fimplicit-module-maps -fmodules-cache-path=%t \
   9 // RUN:     -fmodule-map-file=%S/Inputs/no-implicit-builds/b.modulemap \
  10 // RUN:     -fno-implicit-modules %s -verify
  11 //
  12 // Same thing if we're running -cc1 and no module cache path has been provided.
  13 // RUN: %clang_cc1 -x c++ -std=c++11 -fmodules -fimplicit-module-maps \
  14 // RUN:     -fmodule-map-file=%S/Inputs/no-implicit-builds/b.modulemap \
  15 // RUN:     %s -verify
  16
  17 // Compile the module and put it into the cache.
  18 // RUN: %clang_cc1 -x c++ -std=c++11 -fmodules -fimplicit-module-maps -fmodules-cache-path=%t \
  19 // RUN:     -fmodule-map-file=%S/Inputs/no-implicit-builds/b.modulemap \
  20 // RUN:     %s -Rmodule-build 2>&1 | FileCheck --check-prefix=CHECK-CACHE-BUILD %s
  21 // CHECK-CACHE-BUILD: {{building module 'b'}}
  22
  23 // Produce an error if a module is found in the cache but implicit modules is off.
  24 // Note that the command line must match the command line for the first check, otherwise
  25 // this check might not find the module in the cache and trivially succeed.
  26 // RUN: %clang_cc1 -x c++ -std=c++11 -fmodules -fimplicit-module-maps -fmodules-cache-path=%t \
  27 // RUN:     -fmodule-map-file=%S/Inputs/no-implicit-builds/b.modulemap \
  28 // RUN:     %s -Rmodule-build -fno-implicit-modules -verify
  29
  30 // Verify that we can still pass the module via -fmodule-file when implicit modules
  31 // are switched off:
  32 // - First, explicitly compile the module:
  33 // RUN: %clang_cc1 -x c++ -std=c++11 -fmodules -fimplicit-module-maps -fmodule-name=b -o %t/b.pcm \
  34 // RUN:     -emit-module %S/Inputs/no-implicit-builds/b.modulemap \
  35 // RUN:     -fno-implicit-modules
  36 //
  37 // - Next, verify that we can load it:
  38 // RUN: %clang_cc1 -x c++ -std=c++11 -fmodules -fimplicit-module-maps -fmodule-file=%t/b.pcm \
  39 // RUN:     -fmodule-map-file=%S/Inputs/no-implicit-builds/b.modulemap \
  40 // RUN:     -fno-implicit-modules %s
  41
  42 #include "Inputs/no-implicit-builds/b.h"  // expected-error {{is needed but has not been provided}}