test/createInstance.m

   1 #import <objc/runtime.h>
   2 #import <objc/objc-auto.h>
   3 #ifndef OBJC_NO_GC
   4 #include <auto_zone.h>
   5 #endif
   6 #include "test.h"
   7
   8 @interface Super { @public id isa; } @end
   9 @implementation Super
  10 +(void) initialize { }
  11 +(Class) class { return self; }
  12 @end
  13
  14 @interface Sub : Super { int array[128]; } @end
  15 @implementation Sub @end
  16
  17 int main()
  18 {
  19     Super *s;
  20
  21     s = class_createInstance([Super class], 0);
  22     testassert(s);
  23     testassert(s->isa == [Super class]);
  24     testassert(malloc_size(s) >= class_getInstanceSize([Super class]));
  25     if (objc_collecting_enabled()) testassert(auto_zone_is_valid_pointer(auto_zone(), s));
  26
  27     object_dispose(s);
  28
  29     s = class_createInstance([Sub class], 0);
  30     testassert(s);
  31     testassert(s->isa == [Sub class]);
  32     testassert(malloc_size(s) >= class_getInstanceSize([Sub class]));
  33     if (objc_collecting_enabled()) testassert(auto_zone_is_valid_pointer(auto_zone(), s));
  34
  35     object_dispose(s);
  36
  37     s = class_createInstance([Super class], 100);
  38     testassert(s);
  39     testassert(s->isa == [Super class]);
  40     testassert(malloc_size(s) >= class_getInstanceSize([Super class]) + 100);
  41     if (objc_collecting_enabled()) testassert(auto_zone_is_valid_pointer(auto_zone(), s));
  42
  43     object_dispose(s);
  44
  45     s = class_createInstance([Sub class], 100);
  46     testassert(s);
  47     testassert(s->isa == [Sub class]);
  48     testassert(malloc_size(s) >= class_getInstanceSize([Sub class]) + 100);
  49     if (objc_collecting_enabled()) testassert(auto_zone_is_valid_pointer(auto_zone(), s));
  50
  51     object_dispose(s);
  52
  53     s = class_createInstance(Nil, 0);
  54     testassert(!s);
  55
  56     succeed(__FILE__);
  57 }