gcc/testsuite/objc.dg/property/at-property-25.m

   1 /* Contributed by Nicola Pero <nicola.pero@meta-innovation.com>, November 2010.  */
   2 /* { dg-do compile } */
   3
   4 /* Test warnings and non-warnings with @optional @properties.  */
   5
   6 #include <stdlib.h>
   7 #include <objc/objc.h>
   8 #include <objc/runtime.h>
   9
  10 @interface MyRootClass
  11 {
  12   Class isa;
  13 }
  14 + (id) initialize;
  15 + (id) alloc;
  16 - (id) init;
  17 @end
  18
  19 @implementation MyRootClass
  20 + (id) initialize { return self; }
  21 + (id) alloc { return class_createInstance (self, 0); }
  22 - (id) init { return self; }
  23 @end
  24
  25 @protocol count
  26 @optional
  27 @property int count1;
  28 @property (readonly) int count2;
  29 @end
  30
  31
  32 /* A class that implements all the properties.  */
  33 @interface MySubClass1 : MyRootClass <count>
  34 {
  35   int count1;
  36   int count2;
  37 }
  38 @end
  39
  40 @implementation MySubClass1
  41 @synthesize count1;
  42 @synthesize count2;
  43 @end
  44
  45
  46 /* A class that implements nothing; no warnings as the properties are
  47    all optional.  */
  48 @interface MySubClass2 : MyRootClass <count>
  49 @end
  50
  51 @implementation MySubClass2
  52 @end
  53
  54
  55 @protocol count2
  56 @required
  57 @property int count1;
  58 @property (readonly) int count2;
  59 @end
  60
  61 /* A class that implements all the properties.  */
  62 @interface MySubClass3 : MyRootClass <count2>
  63 {
  64   int count1;
  65   int count2;
  66 }
  67 @end
  68
  69 @implementation MySubClass3
  70 @synthesize count1;
  71 @synthesize count2;
  72 @end
  73
  74
  75 /* A class that implements nothing; warnings as the properties are
  76    all required.  */
  77 @interface MySubClass4 : MyRootClass <count2>
  78 @end
  79
  80 @implementation MySubClass4
  81 @end
  82 /* { dg-warning "incomplete implementation of class" "" { target *-*-* } .-1 } */
  83 /* { dg-warning "method definition for ..setCount1:. not found" "" { target *-*-* } .-2 } */
  84 /* { dg-warning "method definition for ..count1. not found" "" { target *-*-* } .-3 } */
  85 /* { dg-warning "method definition for ..count2. not found" "" { target *-*-* } .-4 } */
  86 /* { dg-warning "class .MySubClass4. does not fully implement the .count2. protocol" "" { target *-*-* } .-5 } */