clang/test/PCH/fuzzy-pch.c

   1 // Test with pch.
   2 // RUN: %clang_cc1 -emit-pch -DFOO -o %t %S/variables.h
   3 // RUN: %clang_cc1 -DBAR=int -include-pch %t -fsyntax-only -pedantic %s
   4 // RUN: %clang_cc1 -DFOO -DBAR=int -include-pch %t %s
   5 // RUN: not %clang_cc1 -DFOO=blah -DBAR=int -include-pch %t %s 2> %t.err
   6 // RUN: FileCheck -check-prefix=CHECK-FOO %s < %t.err
   7 // RUN: not %clang_cc1 -UFOO -include-pch %t %s 2> %t.err
   8 // RUN: FileCheck -check-prefix=CHECK-NOFOO %s < %t.err
   9
  10 // RUN: not %clang_cc1 -DFOO -undef -include-pch %t %s 2> %t.err
  11 // RUN: FileCheck -check-prefix=CHECK-UNDEF %s < %t.err
  12
  13 BAR bar = 17;
  14
  15 #ifndef FOO
  16 #  error FOO was not defined
  17 #endif
  18
  19 #if FOO != 1
  20 #  error FOO has the wrong definition
  21 #endif
  22
  23 #ifndef BAR
  24 #  error BAR was not defined
  25 #endif
  26
  27 // CHECK-FOO: definition of macro 'FOO' differs between the AST file '{{.*}}' ('1') and the command line ('blah')
  28 // CHECK-NOFOO: macro 'FOO' was defined in the AST file '{{.*}}' but undef'd on the command line
  29
  30 // CHECK-UNDEF: command line contains '-undef' but AST file '{{.*}}' was not built with it
  31