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150
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1 // RUN: %clang_cc1 -fsyntax-only -verify %s
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2
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3 @interface MyBase
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4 - (void) rootInstanceMethod;
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5 @end
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6
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7 @interface MyIntermediate: MyBase
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8 @end
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9
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10 @interface MyDerived: MyIntermediate
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11 - (void) instanceMethod;
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12 + (void) classMethod;
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13 @end
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14
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15 @implementation MyDerived
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16 - (void) instanceMethod {
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17 }
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18
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19 + (void) classMethod { /* If a class method is not found, the root */
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20 [self rootInstanceMethod]; /* class is searched for an instance method */
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21 [MyIntermediate rootInstanceMethod]; /* with the same name. */
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22
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23 [self instanceMethod];// expected-warning {{'+instanceMethod' not found (return type defaults to 'id')}}
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24 [MyDerived instanceMethod];// expected-warning {{'+instanceMethod' not found (return type defaults to 'id')}}
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25 }
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26 @end
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27
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28 @interface Object @end
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29
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30 @interface Class1
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31 - (void)setWindow:(Object *)wdw;
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32 @end
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33
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34 @interface Class2
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35 - (void)setWindow:(Class1 *)window;
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36 @end
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37
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38 #define nil (void*)0
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39
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40 id foo(void) {
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41 Object *obj;
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42 id obj2 = obj;
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43 [obj setWindow:nil]; // expected-warning {{'Object' may not respond to 'setWindow:'}}
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44
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45 return obj;
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46 }
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