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// RUN: %clang_cc1 -fsyntax-only -verify %s
@protocol Fooable
- (void)foo;
@end
@protocol SubFooable <Fooable>
@end
@interface AClass
@end
@interface BClass : AClass <SubFooable>
@end
@implementation BClass
- (void)foo {
}
@end
void functionTakingAClassConformingToAProtocol(AClass <Fooable> *instance) { // expected-note {{passing argument to parameter 'instance' here}}
}
int main (void) {
AClass *aobject = 0;
BClass *bobject = 0;
functionTakingAClassConformingToAProtocol(aobject); // expected-warning {{incompatible pointer types passing 'AClass *' to parameter of type 'AClass<Fooable> *'}}
functionTakingAClassConformingToAProtocol(bobject); // Shouldn't warn - does implement Fooable
return 0;
}
@interface NSObject @end
@protocol MyProtocol
@end
@interface MyClass : NSObject
{
}
@end
@implementation MyClass
@end
@interface MySubclass : MyClass <MyProtocol>
{
}
@end
@interface MyTestClass : NSObject
{
@private
NSObject <MyProtocol> *someObj;
}
@property (nonatomic, assign) NSObject <MyProtocol> *someObj;
@end
@implementation MyTestClass
@synthesize someObj;
- (void)someMethod
{
MySubclass *foo;
[self setSomeObj:foo]; // no warning here!
}
@end
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