compiler-rt/test/builtins/TestCases/Darwin/platform_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 typedef int int32_t;
   5 typedef unsigned int uint32_t;
   6
   7 int32_t __isPlatformVersionAtLeast(uint32_t Platform, uint32_t Major,
   8                                    uint32_t Minor, uint32_t Subminor);
   9
  10 #define PLATFORM_MACOS 1
  11
  12 int32_t check(uint32_t Major, uint32_t Minor, uint32_t Subminor) {
  13   int32_t Result =
  14       __isPlatformVersionAtLeast(PLATFORM_MACOS, Major, Minor, Subminor);
  15   return Result;
  16 }
  17
  18 int main() {
  19   if (!check(MAJOR, MINOR, SUBMINOR))
  20     return 1;
  21   if (check(MAJOR, MINOR, SUBMINOR + 1))
  22     return 1;
  23   if (SUBMINOR && check(MAJOR + 1, MINOR, SUBMINOR - 1))
  24     return 1;
  25   if (SUBMINOR && !check(MAJOR, MINOR, SUBMINOR - 1))
  26     return 1;
  27   if (MAJOR && !check(MAJOR - 1, MINOR + 1, SUBMINOR))
  28     return 1;
  29
  30   return 0;
  31 }