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 id __weak w;
  17
  18 void fn(void) __unused;
  19 void fn(void) {
  20     id __autoreleasing a __unused;
  21 }
  22
  23 #if __llvm__ && !__clang__
  24 // llvm-gcc defines _NSConcreteGlobalBlock wrong
  25 #else
  26 // rdar://10118972 wrong type inference for blocks returning YES and NO
  27 BOOL (^block1)(void) = ^{ return YES; };
  28 BOOL (^block2)(void) = ^{ return NO; };
  29 #endif
  30
  31 #include "test.h"
  32
  33 int main()
  34 {
  35     testassert(YES);
  36     testassert(!NO);
  37 #if __cplusplus
  38     testwarn("rdar://12371870 -Wnull-conversion");
  39     testassert(!(bool)nil);
  40     testassert(!(bool)Nil);
  41 #else
  42     testassert(!nil);
  43     testassert(!Nil);
  44 #endif
  45
  46 #if __has_feature(objc_bool)
  47     // YES[array] is disallowed for objc just as true[array] is for C++
  48 #else
  49     // this will fail if YES and NO do not have enough parentheses
  50     int array[2] = { 888, 999 };
  51     testassert(NO[array] == 888);
  52     testassert(YES[array] == 999);
  53 #endif
  54
  55     succeed(__FILE__);
  56 }