test/weakcopy.m

   1 // TEST_CONFIG
   2
   3 #include "test.h"
   4
   5 #if __OBJC_GC__ && __cplusplus && __i386__
   6
   7 int main()
   8 {
   9     testwarn("rdar://19042235 test disabled for 32-bit objc++ GC because of unknown bit rot");
  10     succeed(__FILE__);
  11 }
  12
  13 #else
  14
  15 #include "testroot.i"
  16 #include <stdint.h>
  17 #include <string.h>
  18 #include <objc/objc-runtime.h>
  19
  20 @interface Weak : TestRoot {
  21   @public
  22     __weak id value;
  23 }
  24 @end
  25 @implementation Weak
  26 @end
  27
  28 Weak *oldObject;
  29 Weak *newObject;
  30
  31 void *fn(void *arg __unused)
  32 {
  33     objc_registerThreadWithCollector();
  34
  35     return NULL;
  36 }
  37
  38 int main()
  39 {
  40     testonthread(^{
  41         TestRoot *value;
  42
  43         PUSH_POOL {
  44             value = [TestRoot new];
  45             testassert(value);
  46             oldObject = [Weak new];
  47             testassert(oldObject);
  48
  49             oldObject->value = value;
  50             testassert(oldObject->value == value);
  51
  52             newObject = [oldObject copy];
  53             testassert(newObject);
  54             testassert(newObject->value == oldObject->value);
  55
  56             newObject->value = nil;
  57             testassert(newObject->value == nil);
  58             testassert(oldObject->value == value);
  59         } POP_POOL;
  60
  61         testcollect();
  62         TestRootDealloc = 0;
  63         TestRootFinalize = 0;
  64         RELEASE_VAR(value);
  65     });
  66
  67     testcollect();
  68     testassert(TestRootDealloc || TestRootFinalize);
  69
  70 #if defined(__OBJC_GC__)  ||  __has_feature(objc_arc)
  71     testassert(oldObject->value == nil);
  72 #else
  73     testassert(oldObject->value != nil);
  74 #endif
  75     testassert(newObject->value == nil);
  76
  77     RELEASE_VAR(newObject);
  78     RELEASE_VAR(oldObject);
  79
  80     succeed(__FILE__);
  81     return 0;
  82 }
  83
  84 #endif