gcc/testsuite/objc.dg/attributes/nullability-00.m

   1 /* { dg-do compile } */
   2 /* { dg-additional-options "-Wno-objc-root-class -fsyntax-only" } */
   3
   4 __attribute__((objc_nullability(0))) id a;
   5 __attribute__((objc_nullability(4))) id e_1; /* { dg-error {'objc_nullability' attribute argument '4' is not an integer constant between 0 and 3} } */
   6 __attribute__((objc_nullability(-22))) id e_2; /* { dg-error {'objc_nullability' attribute argument '-22' is not an integer constant between 0 and 3} } */
   7 __attribute__((objc_nullability("unspecified"))) id b;
   8 __attribute__((objc_nullability("nullable"))) id c;
   9 __attribute__((objc_nullability("nonnull"))) id d;
  10 __attribute__((objc_nullability("resettable"))) id e;
  11 __attribute__((objc_nullability("nonsense"))) id e_3; /* { dg-error {'objc_nullability' attribute argument '"nonsense"' is not recognised} } */
  12 __attribute__((objc_nullability(noGoingToWork))) id e_4; /* { dg-error {'noGoingToWork' undeclared here} } */
  13
  14 @interface MyRoot
  15 {
  16   __attribute__((objc_nullability(0))) id iv_a;
  17   __attribute__((objc_nullability(3))) struct { int bad_a; } s;/* { dg-error {'objc_nullability' cannot be applied to non-pointer type 'struct <anonymous>'} } */
  18   __attribute__((objc_nullability("resettable"))) int iv_b;/* { dg-error {'objc_nullability' cannot be applied to non-pointer type 'int'} } */
  19 }
  20 @end