test/taggedPointersDisabled.m

   1 /*
   2 TEST_ENV OBJC_DISABLE_TAGGED_POINTERS=YES
   3 TEST_CRASHES
   4
   5 TEST_BUILD_OUTPUT
   6 .*taggedPointersDisabled.m:\d+:\d+: warning: null passed to a callee that requires a non-null argument \[-Wnonnull\]
   7 END
   8
   9 TEST_RUN_OUTPUT
  10 objc\[\d+\]: tagged pointers are disabled
  11 objc\[\d+\]: HALTED
  12 OR
  13 OK: taggedPointersDisabled.m
  14 END
  15 */
  16
  17 #include "test.h"
  18 #include <objc/objc-internal.h>
  19
  20 #if !OBJC_HAVE_TAGGED_POINTERS
  21
  22 int main()
  23 {
  24     // provoke the same nullability warning as the real test
  25     objc_getClass(nil);
  26
  27     succeed(__FILE__);
  28 }
  29
  30 #else
  31
  32 int main()
  33 {
  34     testassert(!_objc_taggedPointersEnabled());
  35     _objc_registerTaggedPointerClass((objc_tag_index_t)0, nil);
  36     fail("should have crashed in _objc_registerTaggedPointerClass()");
  37 }
  38
  39 #endif