gcc/testsuite/obj-c++.dg/template-1.mm

   1 /* Test for using ObjC classes as C++ template parameters.  */
   2 /* Author:  Ziemowit Laski <zlaski@apple.com>.  */
   3
   4 /* { dg-do run } */
   5 /* { dg-xfail-run-if "Needs OBJC2 ABI" { *-*-darwin* && { lp64 && { ! objc2 } } } { "-fnext-runtime" } { "" } } */
   6 #include "../objc-obj-c++-shared/TestsuiteObject.m"
   7 #include <stdlib.h>
   8
   9 #define CHECK_IF(expr) if(!(expr)) abort()
  10
  11 @interface Base: TestsuiteObject
  12 - (int) meth;
  13 @end
  14
  15 @interface Derived: Base
  16 - (int) meth;
  17 @end
  18
  19 static int count = 0;
  20
  21 template <class T> struct Templ
  22 {
  23   T *m;
  24   int i;
  25   Templ(): i(55), m([[T alloc] init]) { count++; }
  26   ~Templ() { [m free]; count--; }
  27 };
  28
  29 @implementation Base
  30 - (int) meth { return 333; }
  31 @end
  32
  33 @implementation Derived
  34 - (int) meth { return 666; }
  35 @end
  36
  37 int main (void) {
  38   CHECK_IF(count == 0);
  39   {
  40     Templ<Derived> derived;
  41     CHECK_IF(derived.i == 55 && count == 1);
  42     Templ<Base> base;
  43     CHECK_IF(base.i == 55 && count == 2);
  44     CHECK_IF([base.m meth] == 333);
  45     CHECK_IF([derived.m meth] == 666);
  46   }
  47   CHECK_IF(count == 0);
  48   return 0;
  49 }
  50