test/createInstance.m

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