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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 dot-syntax with tricky assignments. */
#include <stdlib.h>
#include <objc/objc.h>
#include <objc/runtime.h>
@interface MyRootClass
{
Class isa;
int a;
}
+ (id) initialize;
+ (id) alloc;
- (id) init;
- (int) count;
- (void) setCount: (int)count;
- (int) somethingToExecuteOnlyOnce;
@end
@implementation MyRootClass
+ (id) initialize { return self; }
+ (id) alloc { return class_createInstance (self, 0); }
- (id) init { return self; }
- (int) count
{
return a;
}
- (void) setCount: (int)count
{
a = count;
}
- (int) somethingToExecuteOnlyOnce
{
a++;
return 10;
}
@end
int main (void)
{
MyRootClass *object1 = [[MyRootClass alloc] init];
MyRootClass *object2 = [[MyRootClass alloc] init];
MyRootClass *object3 = [[MyRootClass alloc] init];
int i;
object1.count = 10;
if (object1.count != 10)
abort ();
object2.count = 10;
if (object2.count != 10)
abort ();
/* Test multiple assignments to a constant. */
object1.count = object2.count = 20;
if (object1.count != 20 || object2.count != 20)
abort ();
i = object1.count = 30;
if (i != 30 || object1.count != 30)
abort ();
i = object2.count = 30;
if (i != 30 || object2.count != 30)
abort ();
/* Test a simple assignment to something with a side-effect; the
'rhs' should be evaluated only once. */
object1.count = ([object2 somethingToExecuteOnlyOnce] > 0 ? 30 : 45);
if (object1.count != 30 || object2.count != 31)
abort ();
/* Test multiple assignments with side effects. */
object3.count = object1.count = ([object2 somethingToExecuteOnlyOnce] > 0 ? 30 : 45);
if (object1.count != 30 || object2.count != 32 || object3.count != 30)
abort ();
return 0;
}
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