SingleSource/UnitTests/ObjC/for-in.m

#import <Foundation/Foundation.h>

#define S(n) @#n
#define L1(n) S(n+0),S(n+1)
#define L2(n) L1(n+0),L1(n+2)
#define L3(n) L2(n+0),L2(n+4)
#define L4(n) L3(n+0),L3(n+8)
#define L5(n) L4(n+0),L4(n+16)
#define L6(n) L5(n+0),L5(n+32)

void t0() {
  NSArray *array = [NSArray arrayWithObjects: L1(0), nil];

  printf("array.length: %d\n", (int) [array count]);
  unsigned index = 0;
  for (NSString *i in array) {
    printf("element %d: %s\n", index++, [i cString]);
  }
}

void t1() {
  NSArray *array = [NSArray arrayWithObjects: L6(0), nil];

  printf("array.length: %d\n", (int) [array count]);
  unsigned index = 0;
  for (NSString *i in array) {
    index++;
    if (index == 10)
      continue;
    printf("element %d: %s\n", index, [i cString]);
    if (index == 55)
      break;
  }
}

int main() {
  NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
  t0();
  t1();
  [pool release];
  return 0;
}