compiler-rt/test/BlocksRuntime/globalexpression.c

   1 //
   2 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   3 // See https://llvm.org/LICENSE.txt for license information.
   4 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   5
   6 // testfilerunner CONFIG
   7
   8 #import <stdio.h>
   9 #import <Block.h>
  10
  11 int global;
  12
  13 void (^gblock)(int) = ^(int x){ global = x; };
  14
  15 int main(int argc, char *argv[]) {
  16     gblock(1);
  17     if (global != 1) {
  18         printf("%s: *** did not set global to 1\n", argv[0]);
  19         return 1;
  20     }
  21     void (^gblockcopy)(int) = Block_copy(gblock);
  22     if (gblockcopy != gblock) {
  23         printf("global copy %p not a no-op %p\n", (void *)gblockcopy, (void *)gblock);
  24         return 1;
  25     }
  26     Block_release(gblockcopy);
  27     gblock(3);
  28     if (global != 3) {
  29         printf("%s: *** did not set global to 3\n", argv[0]);
  30         return 1;
  31     }
  32     gblockcopy = Block_copy(gblock);
  33     gblockcopy(5);
  34     if (global != 5) {
  35         printf("%s: *** did not set global to 5\n", argv[0]);
  36         return 1;
  37     }
  38     printf("%s: Success!\n", argv[0]);
  39     return 0;
  40 }
  41