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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 more tricky assignments. */
#include <stdlib.h>
#include <objc/objc.h>
#include <objc/runtime.h>
@interface MyRootClass
{
Class isa;
id a;
id b;
int p1;
float p2;
}
+ (id) initialize;
+ (id) alloc;
- (id) init;
@property (assign) id object1;
@property (assign) id object2;
- (id) test;
- (id) myself;
- (id) nilObject;
@property int p1;
@property float p2;
@end
@implementation MyRootClass
+ (id) initialize { return self; }
+ (id) alloc { return class_createInstance (self, 0); }
- (id) init { return self; }
@synthesize object1 = a;
@synthesize object2 = b;
- (id) test
{
/* Test multiple assignments with 'self'. */
self.object1 = self.object2 = self;
if (self.object1 != self || self.object2 != self)
abort ();
/* Test multiple assignments with a conditional and method calls. */
self.object1 = self.object2 = (self ? [self myself] : [self nilObject]);
if (self.object1 != self || self.object2 != self)
abort ();
self.object1 = self.object2 = (self ? [self nilObject] : [self myself]);
if (self.object1 != nil || self.object2 != nil)
abort ();
return self.object1;
}
- (id) myself
{
return self;
}
- (id) nilObject
{
return nil;
}
@synthesize p1;
@synthesize p2;
@end
int main (void)
{
MyRootClass *object = [[MyRootClass alloc] init];
MyRootClass *object1 = [[MyRootClass alloc] init];
[object test];
/* Now, test multiple assignments with different types. Use
int/float as they seem to happily crash the compiler in gimplify
if proper conversions are not being generated by the
frontend. ;-) */
object.p1 = object.p2 = 12;
if (object.p1 != 12 || object.p2 != 12)
abort ();
object.p1 = object.p2 = 2.7;
if (object.p1 != 2)
abort ();
/* Just try a different loop, mixing in a few different standard C
constructs to cover a few other cases. */
object.p1 = 10;
object1.p1 = 0;
while (object.p1)
{
object1.p1 += ((object.p2 = 4.56) ? 0 : object.p1);
object.p1--;
}
if (object.p1 != 0 || object1.p1 != 0)
abort ();
if ((object.p1 = 0))
abort ();
return 0;
}
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