test/property.m

   1 // TEST_CONFIG
   2
   3 #include "test.h"
   4 #include <stdint.h>
   5 #include <string.h>
   6 #include <objc/objc-runtime.h>
   7
   8 @interface Super {
   9   @public
  10     id isa;
  11     char superIvar;
  12 }
  13
  14 @property(readonly) char superProp;
  15 @end
  16
  17 @implementation Super
  18 @synthesize superProp = superIvar;
  19 +(void)initialize { }
  20 +class { return self; }
  21 @end
  22
  23
  24 @interface Sub : Super {
  25   @public
  26     uintptr_t subIvar;
  27 }
  28 @property(readonly) uintptr_t subProp;
  29 @end
  30
  31 @implementation Sub
  32 @synthesize subProp = subIvar;
  33 @end
  34
  35
  36 int main()
  37 {
  38     /*
  39        Runtime layout of Sub:
  40          [0] isa
  41          [1] superIvar
  42          [2] subIvar
  43     */
  44
  45     objc_property_t prop;
  46
  47     prop = class_getProperty([Sub class], "subProp");
  48     testassert(prop);
  49
  50     prop = class_getProperty([Super class], "superProp");
  51     testassert(prop);
  52     testassert(prop == class_getProperty([Sub class], "superProp"));
  53
  54     prop = class_getProperty([Super class], "subProp");
  55     testassert(!prop);
  56
  57     prop = class_getProperty([Sub class]->isa, "subProp");
  58     testassert(!prop);
  59
  60
  61     testassert(NULL == class_getProperty(NULL, "foo"));
  62     testassert(NULL == class_getProperty([Sub class], NULL));
  63     testassert(NULL == class_getProperty(NULL, NULL));
  64
  65     succeed(__FILE__);
  66     return 0;
  67 }