gcc/testsuite/obj-c++.dg/cxx-ivars-3.mm

   1 // Check if ObjC classes with non-POD C++ ivars are specially marked in the metadata.
   2
   3 // { dg-do run { target *-*-darwin* } }
   4 // { dg-skip-if "" { *-*-* } { "-fgnu-runtime" } { "" } }
   5 // { dg-skip-if "Headers incompatible with 10.4 APIs" { *-*-darwin1[1-9]* *-*-darwin2[0-9]* } { "-fnext-runtime" } { "" } }
   6 // { dg-additional-options "-fobjc-call-cxx-cdtors -mmacosx-version-min=10.4 -framework Foundation" }
   7 // This test has no equivalent or meaning for m64/ABI V2
   8 // { dg-xfail-run-if "No Test Avail" {  *-*-darwin* && lp64 } { "-fnext-runtime" } { "" } }
   9
  10 #include <stdlib.h>
  11 #include "../objc-obj-c++-shared/F-NSObject.h"
  12 #include <objc/objc-runtime.h>
  13
  14 //extern "C" { int printf(const char *,...); }
  15 #define CHECK_IF(expr) if(!(expr)) abort()
  16
  17 #ifndef CLS_HAS_CXX_STRUCTORS
  18 #define CLS_HAS_CXX_STRUCTORS 0x2000L
  19 #endif
  20
  21 struct cxx_struct {
  22   int a, b;
  23   cxx_struct (void) { a = b = 55; }
  24 };
  25
  26 @interface Foo: NSObject {
  27   int c;
  28   cxx_struct s;
  29 }
  30 @end
  31
  32 @interface Bar: Foo {
  33   float f;
  34 }
  35 @end
  36
  37 @implementation Foo
  38 @end
  39
  40 @implementation Bar
  41 @end
  42
  43 int main (void)
  44 {
  45 #ifndef __LP64__
  46   Class cls;
  47
  48   cls = objc_getClass("Foo");
  49 //  printf((const char *)"Foo info %lx\n",cls->info);
  50   CHECK_IF((cls->info & CLS_HAS_CXX_STRUCTORS) != 0);
  51   cls = objc_getClass("Bar");
  52 //  printf((const char *)"Bar info %lx\n",cls->info);
  53   CHECK_IF((cls->info & CLS_HAS_CXX_STRUCTORS) == 0);
  54
  55 #else
  56   /* No test needed or available.  */
  57   abort ();
  58 #endif
  59   return 0;
  60 }