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/* PR objc/103639 */
/* { dg-do run } */
/* { dg-skip-if "No NeXT fast enum. pre-Darwin9" { *-*-darwin[5-8]* } { "-fnext-runtime" } { "" } } */
/* { dg-xfail-run-if "Needs OBJC2 ABI" { *-*-darwin* && { lp64 && { ! objc2 } } } { "-fnext-runtime" } { "" } } */
/* { dg-additional-sources "../objc-obj-c++-shared/nsconstantstring-class-impl.m" } */
/* { dg-additional-options "-mno-constant-cfstrings" { target *-*-darwin* } } */
/* { dg-additional-options "-Wno-objc-root-class" } */
#import "../objc-obj-c++-shared/TestsuiteObject.m"
#ifndef __NEXT_RUNTIME__
#include <objc/NXConstStr.h>
#else
#include "../objc-obj-c++-shared/nsconstantstring-class.h"
#endif
extern int printf (const char *, ...);
#include <stdlib.h>
/* A mini-array implementation that can be used to test fast
enumeration. You create the array with some objects; you can
mutate the array, and you can fast-enumerate it.
*/
@interface MyArray : TestsuiteObject
{
unsigned int length;
id *objects;
unsigned long mutated;
}
- (id) initWithLength: (unsigned int)l objects: (id *)o;
- (void) mutate;
- (unsigned long)countByEnumeratingWithState: (struct __objcFastEnumerationState *)state
objects:(id *)stackbuf
count:(unsigned long)len;
@end
@implementation MyArray : TestsuiteObject
- (id) initWithLength: (unsigned int)l
objects: (id *)o
{
length = l;
objects = o;
mutated = 0;
return self;
}
- (void) mutate
{
mutated = 1;
}
- (unsigned long)countByEnumeratingWithState: (struct __objcFastEnumerationState*)state
objects: (id*)stackbuf
count: (unsigned long)len
{
unsigned long i, batch_size;
/* We keep how many objects we served in the state->state counter. So the next batch
will contain up to length - state->state objects. */
batch_size = length - state->state;
/* Make obvious adjustments. */
if (batch_size < 0)
batch_size = 0;
if (batch_size > len)
batch_size = len;
/* Copy the objects. */
for (i = 0; i < batch_size; i++)
stackbuf[i] = objects[i];
state->state += batch_size;
state->itemsPtr = stackbuf;
state->mutationsPtr = &mutated;
return batch_size;
}
@end
int check = 0;
int
main()
{
id *objects = malloc (sizeof (id) * 2);
objects[0] = @"a";
objects[1] = @"b";
MyArray *array = [[MyArray alloc] initWithLength: 2 objects: objects];
int someVar = 0;
for (id object in array) {
switch (someVar) {
case 0:
break;
}
++check;
}
if (check != 2)
abort ();
return 0;
}
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