test/setSuper.m

   1 // TEST_CFLAGS -Wno-deprecated-declarations
   2
   3 #include "test.h"
   4 #include <objc/runtime.h>
   5
   6 @interface Super1 { id isa; } @end
   7 @implementation Super1
   8 +class { return self; }
   9 +(void)initialize { }
  10 +(int)classMethod { return 1; }
  11 -(int)instanceMethod { return 10000; }
  12 @end
  13
  14 @interface Super2 { id isa; } @end
  15 @implementation Super2
  16 +class { return self; }
  17 +(void)initialize { }
  18 +(int)classMethod { return 2; }
  19 -(int)instanceMethod { return 20000; }
  20 @end
  21
  22 @interface Sub : Super1 @end
  23 @implementation Sub
  24 +new { return class_createInstance(self, 0); }
  25 +(int)classMethod { return [super classMethod] + 100; }
  26 -(int)instanceMethod {
  27     return [super instanceMethod] + 1000000;
  28 }
  29 @end
  30
  31 int main()
  32 {
  33     Class cls;
  34     Sub *obj = [Sub new];
  35
  36     testassert(101 == [[Sub class] classMethod]);
  37     testassert(1010000 == [obj instanceMethod]);
  38
  39     cls = class_setSuperclass([Sub class], [Super2 class]);
  40
  41     testassert(cls == [Super1 class]);
  42     testassert(cls->isa == [Super1 class]->isa);
  43
  44     testassert(102 == [[Sub class] classMethod]);
  45     testassert(1020000 == [obj instanceMethod]);
  46
  47     succeed(__FILE__);
  48 }