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// APPLE LOCAL file Objective-C++
/* Test for using ObjC classes as C++ template parameters. */
/* Author: Ziemowit Laski <zlaski@apple.com>. */
/* { dg-do run } */
#include <objc/Object.h>
#include <stdlib.h>
#define CHECK_IF(expr) if(!(expr)) abort()
@interface Base: Object
- (int) meth;
@end
@interface Derived: Base
- (int) meth;
@end
static int count = 0;
template <class T> struct Templ
{
T *m;
int i;
Templ(): i(55), m([[T alloc] init]) { count++; }
~Templ() { [m free]; count--; }
};
@implementation Base
- (int) meth { return 333; }
@end
@implementation Derived
- (int) meth { return 666; }
@end
int main (void) {
CHECK_IF(count == 0);
{
Templ<Derived> derived;
CHECK_IF(derived.i == 55 && count == 1);
Templ<Base> base;
CHECK_IF(base.i == 55 && count == 2);
CHECK_IF([base.m meth] == 333);
CHECK_IF([derived.m meth] == 666);
}
CHECK_IF(count == 0);
return 0;
}
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