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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [testsuite/] [objc.dg/] [property/] [dynamic-5.m] - Blame information for rev 704

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1 704 jeremybenn
/* Contributed by Nicola Pero <nicola.pero@meta-innovation.com>, November 2010.  */
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/* { dg-do run } */
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/* { dg-xfail-run-if "Needs OBJC2 ABI" { *-*-darwin* && { lp64 && { ! objc2 } } } { "-fnext-runtime" } { "" } } */
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/* Test @dynamic in the real scenario where a class declares a
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   @property, uses @dynamic to avoid implementing it, then subclasses
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   implement it.  */
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#include <objc/objc.h>
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#include <objc/runtime.h>
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#include <stdlib.h>
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@interface MyRootClass
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{
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  Class isa;
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}
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@property int a;
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+ (id) initialize;
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+ (id) alloc;
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- (id) init;
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@end
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@implementation MyRootClass
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+ (id) initialize { return self; }
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+ (id) alloc { return class_createInstance (self, 0); }
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- (id) init { return self; }
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@dynamic a;
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@end
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@interface Test : MyRootClass
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{
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  int v1;
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}
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@end
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@implementation Test
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@synthesize a = v1;
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@end
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int main (void)
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{
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  /* Note how 'object' is declared to be of class 'MyRootClass', but
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     actually is of the subclass which implements the property for
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     real.  */
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  MyRootClass *object = [[Test alloc] init];
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  object.a = 40;
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  if (object.a != 40)
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    abort ();
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  return 0;
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}

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