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 // CONFIG rdar://6255170 8 9 #include <stdio.h> 10 #include <stdbool.h> 11 #include <stdlib.h> 12 #include <Block.h> 13 #include <Block_private.h> 14 #include <assert.h> 15 16 17 int 18 main(int argc, char *argv[]) 19 { 20 __block int var = 0; 21 int shouldbe = 0; 22 void (^b)(void) = ^{ var++; /*printf("var is at %p with value %d\n", &var, var);*/ }; 23 __typeof(b) _b; 24 //printf("before copy...\n"); 25 b(); ++shouldbe; 26 size_t i; 27 28 for (i = 0; i < 10; i++) { 29 _b = Block_copy(b); // make a new copy each time 30 assert(_b); 31 ++shouldbe; 32 _b(); // should still update the stack 33 Block_release(_b); 34 } 35 36 //printf("after...\n"); 37 b(); ++shouldbe; 38 39 if (var != shouldbe) { 40 printf("Hmm, var is %d but should be %d\n", var, shouldbe); 41 return 1; 42 } 43 printf("%s: Success!!\n", argv[0]); 44 45 return 0; 46 } 47
