39 lines
799 B
Mathematica
39 lines
799 B
Mathematica
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/* Test assignments and comparisons involving category protocols. */
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/* Author: Nicola Pero <nicola@brainstorm.co.uk>. */
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/* { dg-do compile } */
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#include <objc/objc.h>
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@protocol MyProtocol
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- (void) method;
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@end
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@interface MyClass
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@end
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@interface MyClass (Addition) <MyProtocol>
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- (void) method;
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@end
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@interface MyOtherClass : MyClass
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@end
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int main()
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{
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id <MyProtocol> obj_p = nil;
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MyClass *obj_cp = nil;
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MyOtherClass *obj_cp2 = nil;
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obj_cp = obj_p; /* { dg-warning "distinct Objective\\-C type" } */
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obj_cp2 = obj_p; /* { dg-warning "distinct Objective\\-C type" } */
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obj_p = obj_cp; /* Ok */
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obj_p = obj_cp2; /* Ok */
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if (obj_cp == obj_p) ; /* Ok */
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if (obj_cp2 == obj_p) ; /* Ok */
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if (obj_p == obj_cp) ; /* Ok */
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if (obj_p == obj_cp2) ; /* Ok */
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return 0;
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}
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