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/* Contributed by Nicola Pero <nicola.pero@meta-innovation.com>, November 2010. */
/* { dg-do run } */
/* { dg-xfail-run-if "Needs OBJC2 ABI" { *-*-darwin* && { lp64 && { ! objc2 } } } { "-fnext-runtime" } { "" } } */
/* Test @optional @properties. */
#include <stdlib.h>
#include <objc/objc.h>
#include <objc/runtime.h>
@interface MyRootClass
{
Class isa;
}
+ (id) initialize;
+ (id) alloc;
- (id) init;
@end
@implementation MyRootClass
+ (id) initialize { return self; }
+ (id) alloc { return class_createInstance (self, 0); }
- (id) init { return self; }
@end
/* Use a different getters/setters, so that the only way to compile
object.countX is to find the actual @property. */
@protocol count
@required
/* @required + @synthesize. */
@property (getter=number1, setter=setNumber1:) int count1;
/* @required + manual setters/getters. */
@property (getter=number2, setter=setNumber2:) int count2;
@optional
/* @optional + @synthesize. */
@property (getter=number3, setter=setNumber3:) int count3;
/* @optional + manual setters/getters. */
@property (getter=number4, setter=setNumber4:) int count4;
@optional
/* @optional + readonly, with a setter added in the class itself. */
@property (readonly, getter=number5) int count5;
@end
@interface MySubClass : MyRootClass <count>
{
int count1;
int count2;
int count3;
int count4;
int count5;
}
- (void) setCount5: (int)value;
@end
@implementation MySubClass
@synthesize count1;
- (int) number2
{
return count2;
}
- (void) setNumber2: (int)value
{
count2 = value;
}
@synthesize count3;
- (int) number4
{
return count4;
}
- (void) setNumber4: (int)value
{
count4 = value;
}
- (int) number5
{
return count5;
}
- (void) setCount5: (int)value
{
count5 = value;
}
@end
int main (void)
{
MySubClass *object = [[MySubClass alloc] init];
/* First, test that @required and @optional properties work as
expected if implemented either via @synthesize or manually. */
object.count1 = 44;
if (object.count1 != 44)
abort ();
object.count2 = 88;
if (object.count2 != 88)
abort ();
object.count3 = 77;
if (object.count3 != 77)
abort ();
object.count4 = 11;
if (object.count4 != 11)
abort ();
/* Now, test the complication: @optional @property which is
readonly, but which has a setter manually implemented.
Apparently it is possible to use the dotsyntax and the @optional
@property getter is used when reading, while the manual setter is
used when writing. */
object.count5 = 99;
if (object.count5 != 99)
abort ();
return 0;
}
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