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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [testsuite/] [objc.dg/] [protocol-optional-1.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 compile } */
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#include <objc/objc.h>
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/* Test that @optional for @protocol works.  */
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@protocol MyProtocol
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+ (int)classMethod;
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- (int)method;
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@optional
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+ (int)optionalClassMethod;
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- (int)optionalMethod;
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@end
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@interface MyRootClass <MyProtocol>
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@end
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/* The implementation implements both the @required methods, but none
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   of the @optional ones.  There should be no warnings as the
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   @optional methods are optional. ;-)  */
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@implementation MyRootClass
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+ (int)classMethod
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{
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  return 20;
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}
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- (int)method
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{
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  return 11;
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}
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@end
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int function (id <MyProtocol> object1,
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              MyRootClass *object2)
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{
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  /* Test that there are no warnings if you try to use an @optional
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     method with an object of the class.  */
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  int i = 0;
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  i += [object1 method];
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  i += [object2 method];
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  i += [MyRootClass classMethod];
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  i += [object1 optionalMethod];
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  i += [object2 optionalMethod];
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  i += [MyRootClass optionalClassMethod];
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  return i;
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}

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