test/realizedClassGenerationCount.m

   1 // TEST_CONFIG
   2
   3 #include "test.h"
   4 #include "testroot.i"
   5
   6 #include <dlfcn.h>
   7
   8 extern uintptr_t objc_debug_realized_class_generation_count;
   9
  10 int main()
  11 {
  12     testassert(objc_debug_realized_class_generation_count > 0);
  13     uintptr_t prev = objc_debug_realized_class_generation_count;
  14
  15     void *handle = dlopen("/System/Library/Frameworks/Foundation.framework/Foundation", RTLD_LAZY);
  16     testassert(handle);
  17     Class c = objc_getClass("NSFileManager");
  18     testassert(c);
  19     testassert(objc_debug_realized_class_generation_count > prev);
  20
  21     prev = objc_debug_realized_class_generation_count;
  22     c = objc_allocateClassPair([TestRoot class], "Dynamic", 0);
  23     testassert(objc_debug_realized_class_generation_count > prev);
  24     prev = objc_debug_realized_class_generation_count;
  25     objc_registerClassPair(c);
  26     testassert(objc_debug_realized_class_generation_count == prev);
  27
  28     succeed(__FILE__);
  29 }