test/definitions.c

   1 // TEST_CONFIG
   2
   3 // DO NOT include anything else here
   4 #include <objc/objc.h>
   5 // DO NOT include anything else here
   6 Class c = Nil;
   7 SEL s;
   8 IMP i;
   9 id o = nil;
  10 BOOL b = YES;
  11 BOOL b2 = NO;
  12 #if !__has_feature(objc_arc)
  13 __strong void *p;
  14 #endif
  15 id __unsafe_unretained u;
  16 #if __has_feature(objc_arc_weak)
  17 id __weak w;
  18 #endif
  19
  20 void fn(void) __unused;
  21 void fn(void) {
  22     id __autoreleasing a __unused;
  23 }
  24
  25 // check type inference for blocks returning YES and NO (rdar://10118972)
  26 BOOL (^block1)(void) = ^{ return YES; };
  27 BOOL (^block2)(void) = ^{ return NO; };
  28
  29 #include "test.h"
  30
  31 int main()
  32 {
  33     testassert(YES);
  34     testassert(!NO);
  35 #if __cplusplus
  36     testwarn("rdar://12371870 -Wnull-conversion");
  37     testassert(!(bool)nil);
  38     testassert(!(bool)Nil);
  39 #else
  40     testassert(!nil);
  41     testassert(!Nil);
  42 #endif
  43
  44 #if __has_feature(objc_bool)
  45     // YES[array] is disallowed for objc just as true[array] is for C++
  46 #else
  47     // this will fail if YES and NO do not have enough parentheses
  48     int array[2] = { 888, 999 };
  49     testassert(NO[array] == 888);
  50     testassert(YES[array] == 999);
  51 #endif
  52
  53     succeed(__FILE__);
  54 }