compiler-rt/test/builtins/TestCases/Darwin/os_version_check_test.c

   1 // RUN: %clang %s -o %t -mmacosx-version-min=10.7 -framework CoreFoundation -DMAJOR=%macos_version_major -DMINOR=%macos_version_minor -DSUBMINOR=%macos_version_subminor
   2 // RUN: %run %t
   3
   4 int __isOSVersionAtLeast(int Major, int Minor, int Subminor);
   5
   6 int main() {
   7   if (!__isOSVersionAtLeast(MAJOR, MINOR, SUBMINOR))
   8     return 1;
   9   if (__isOSVersionAtLeast(MAJOR, MINOR, SUBMINOR + 1))
  10     return 1;
  11   if (SUBMINOR && __isOSVersionAtLeast(MAJOR + 1, MINOR, SUBMINOR - 1))
  12     return 1;
  13   if (SUBMINOR && !__isOSVersionAtLeast(MAJOR, MINOR, SUBMINOR - 1))
  14     return 1;
  15   if (MAJOR && !__isOSVersionAtLeast(MAJOR - 1, MINOR + 1, SUBMINOR))
  16     return 1;
  17
  18   return 0;
  19 }