test/createInstance.m

   1 // TEST_CONFIG MEM=mrc,gc
   2 // TEST_CFLAGS -Wno-deprecated-declarations
   3
   4 #import <objc/runtime.h>
   5 #import <objc/objc-auto.h>
   6 #ifndef OBJC_NO_GC
   7 #include <auto_zone.h>
   8 #else
   9 static BOOL auto_zone_is_valid_pointer(void *a, void *b) { return a||b; }
  10 #endif
  11 #include "test.h"
  12
  13 OBJC_ROOT_CLASS
  14 @interface Super { @public id isa; } @end
  15 @implementation Super
  16 +(void) initialize { }
  17 +(Class) class { return self; }
  18 @end
  19
  20 @interface Sub : Super { int array[128]; } @end
  21 @implementation Sub @end
  22
  23 int main()
  24 {
  25     Super *s;
  26
  27     s = class_createInstance([Super class], 0);
  28     testassert(s);
  29     testassert(object_getClass(s) == [Super class]);
  30     testassert(malloc_size(s) >= class_getInstanceSize([Super class]));
  31     if (objc_collectingEnabled()) testassert(auto_zone_is_valid_pointer(objc_collectableZone(), s));
  32
  33     object_dispose(s);
  34
  35     s = class_createInstance([Sub class], 0);
  36     testassert(s);
  37     testassert(object_getClass(s) == [Sub class]);
  38     testassert(malloc_size(s) >= class_getInstanceSize([Sub class]));
  39     if (objc_collectingEnabled()) testassert(auto_zone_is_valid_pointer(objc_collectableZone(), s));
  40
  41     object_dispose(s);
  42
  43     s = class_createInstance([Super class], 100);
  44     testassert(s);
  45     testassert(object_getClass(s) == [Super class]);
  46     testassert(malloc_size(s) >= class_getInstanceSize([Super class]) + 100);
  47     if (objc_collectingEnabled()) testassert(auto_zone_is_valid_pointer(objc_collectableZone(), s));
  48
  49     object_dispose(s);
  50
  51     s = class_createInstance([Sub class], 100);
  52     testassert(s);
  53     testassert(object_getClass(s) == [Sub class]);
  54     testassert(malloc_size(s) >= class_getInstanceSize([Sub class]) + 100);
  55     if (objc_collectingEnabled()) testassert(auto_zone_is_valid_pointer(objc_collectableZone(), s));
  56
  57     object_dispose(s);
  58
  59     s = class_createInstance(Nil, 0);
  60     testassert(!s);
  61
  62     succeed(__FILE__);
  63 }