clang/test/SemaObjC/method-direct-properties.m

   1 // RUN: %clang_cc1 -fsyntax-only -verify -Wselector-type-mismatch %s
   2
   3 @protocol ProtoDirectFail
   4 @property(nonatomic, direct) int protoProperty; // expected-error {{'objc_direct' attribute cannot be applied to properties declared in an Objective-C protocol}}
   5 @end
   6
   7 __attribute__((objc_root_class))
   8 @interface Root
   9 @property(nonatomic, direct) int propertyWithNonDirectGetter; // expected-note {{previous declaration is here}}
  10 - (int)propertyWithNonDirectGetter;
  11 - (int)propertyWithNonDirectGetter2;
  12 - (int)propertyWithNonDirectGetterInParent;
  13 - (int)propertyWithNonDirectGetterInParent2;
  14
  15 @property(nonatomic, readonly, direct) int getDirect_setDynamic;       // expected-note {{previous declaration is here}}
  16 @property(nonatomic, readonly, direct) int getDirect_setDirect;        // expected-note {{previous declaration is here}}
  17 @property(nonatomic, readonly, direct) int getDirect_setDirectMembers; // expected-note {{previous declaration is here}}
  18
  19 @property(nonatomic, readonly) int getDynamic_setDirect;
  20 @property(nonatomic, readonly) int getDynamic_setDirectMembers;
  21
  22 @property(nonatomic, readonly) int dynamicProperty;
  23 @property(nonatomic, readonly) int synthDynamicProperty;
  24
  25 @property(nonatomic, readonly, direct) int directProperty;      // expected-note {{previous declaration is here}}
  26 @property(nonatomic, readonly, direct) int synthDirectProperty; // expected-note {{previous declaration is here}}
  27 @end
  28
  29 __attribute__((objc_direct_members))
  30 @interface
  31 Root()
  32 @property(nonatomic) int propertyWithNonDirectGetter2; // expected-note {{previous declaration is here}}
  33
  34 @property(nonatomic, readwrite) int getDirect_setDirectMembers;  // expected-note {{previous declaration is here}}
  35 @property(nonatomic, readwrite) int getDynamic_setDirectMembers; // expected-note {{previous declaration is here}}
  36 @end
  37
  38 @interface Root ()
  39 @property(nonatomic, readwrite) int getDirect_setDynamic;
  40 @property(nonatomic, readwrite, direct) int getDirect_setDirect; // expected-note {{previous declaration is here}}
  41
  42 @property(nonatomic, readwrite, direct) int getDynamic_setDirect; // expected-note {{previous declaration is here}}
  43 @end
  44
  45 @interface Sub : Root
  46 @property(nonatomic, direct) int propertyWithNonDirectGetterInParent; // expected-note {{previous declaration is here}}
  47
  48 - (int)propertyWithNonDirectGetter;          // no error: legal override
  49 - (int)propertyWithNonDirectGetter2;         // no error: legal override
  50 - (int)propertyWithNonDirectGetterInParent;  // no error: legal override
  51 - (int)propertyWithNonDirectGetterInParent2; // no error: legal override
  52
  53 @end
  54
  55 __attribute__((objc_direct_members))
  56 @interface Sub ()
  57 @property(nonatomic) int propertyWithNonDirectGetterInParent2; // expected-note {{previous declaration is here}}
  58 @end
  59
  60 // make sure that the `directness` of methods stuck,
  61 // by observing errors trying to override the setter
  62 @interface SubWitness : Sub
  63
  64 - (int)setPropertyWithNonDirectGetter:(int)value;          // expected-error {{cannot override a method that is declared direct by a superclass}}
  65 - (int)setPropertyWithNonDirectGetter2:(int)value;         // expected-error {{cannot override a method that is declared direct by a superclass}}
  66 - (int)setPropertyWithNonDirectGetterInParent:(int)value;  // expected-error {{cannot override a method that is declared direct by a superclass}}
  67 - (int)setPropertyWithNonDirectGetterInParent2:(int)value; // expected-error {{cannot override a method that is declared direct by a superclass}}
  68
  69 - (int)getDirect_setDynamic; // expected-error {{cannot override a method that is declared direct by a superclass}}
  70 - (int)setGetDirect_setDynamic:(int)value;
  71 - (int)getDirect_setDirect;                      // expected-error {{cannot override a method that is declared direct by a superclass}}
  72 - (int)setGetDirect_setDirect:(int)value;        // expected-error {{cannot override a method that is declared direct by a superclass}}
  73 - (int)getDirect_setDirectMembers;               // expected-error {{cannot override a method that is declared direct by a superclass}}
  74 - (int)setGetDirect_setDirectMembers:(int)value; // expected-error {{cannot override a method that is declared direct by a superclass}}
  75
  76 - (int)getDynamic_setDirect;
  77 - (int)setGetDynamic_setDirect:(int)value; // expected-error {{cannot override a method that is declared direct by a superclass}}
  78 - (int)getDynamic_setDirectMembers;
  79 - (int)setGetDynamic_setDirectMembers:(int)value; // expected-error {{cannot override a method that is declared direct by a superclass}}
  80 @end
  81
  82 __attribute__((objc_direct_members))
  83 @implementation Root
  84 - (int)propertyWithNonDirectGetter {
  85   return 42;
  86 }
  87 - (int)propertyWithNonDirectGetter2 {
  88   return 42;
  89 }
  90 - (int)propertyWithNonDirectGetterInParent {
  91   return 42;
  92 }
  93 - (int)propertyWithNonDirectGetterInParent2 {
  94   return 42;
  95 }
  96
  97 - (int)dynamicProperty {
  98   return 42;
  99 }
 100 - (int)directProperty {
 101   return 42;
 102 }
 103 @end
 104
 105 @implementation Sub
 106 - (int)propertyWithNonDirectGetter {
 107   return 42;
 108 }
 109 - (int)propertyWithNonDirectGetter2 {
 110   return 42;
 111 }
 112
 113 - (int)dynamicProperty {
 114   return 42;
 115 }
 116 - (int)synthDynamicProperty {
 117   return 42;
 118 }
 119
 120 - (int)directProperty { // expected-error {{cannot override a method that is declared direct by a superclass}}
 121   return 42;
 122 }
 123 - (int)synthDirectProperty { // expected-error {{cannot override a method that is declared direct by a superclass}}
 124   return 42;
 125 }
 126 @end