test/BlocksRuntime/copynull.c

   1 //
   2 //                     The LLVM Compiler Infrastructure
   3 //
   4 // This file is distributed under the University of Illinois Open Source
   5 // License. See LICENSE.TXT for details.
   6
   7 /*
   8  *  copynull.c
   9  *  testObjects
  10  *
  11  *  Created by Blaine Garst on 10/15/08.
  12  *
  13  */
  14
  15 #import <stdio.h>
  16 #import <Block.h>
  17 #import <Block_private.h>
  18
  19 // CONFIG rdar://6295848
  20
  21 int main(int argc, char *argv[]) {
  22
  23     void (^block)(void) = (void (^)(void))0;
  24     void (^blockcopy)(void) = Block_copy(block);
  25
  26     if (blockcopy != (void (^)(void))0) {
  27         printf("whoops, somehow we copied NULL!\n");
  28         return 1;
  29     }
  30     // make sure we can also
  31     Block_release(blockcopy);
  32     // and more secretly
  33     //_Block_destroy(blockcopy);
  34
  35     printf("%s: success\n", argv[0]);
  36     return 0;
  37 }