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/* Based on objc/execute/va_method.m, by Nicola Pero */

/* { dg-do run } */

#include <objc/Object.h>

#include <stdarg.h>

#include <stdlib.h>

/* Test methods with "C-style" trailing arguments, with or without ellipsis. */

@interface MathClass: Object

/* sum positive numbers; -1 ends the list */

+ (int) sum: (int)firstNumber, int secondNumber, ...;

+ (int) prod: (int) firstNumber, int secondNumber, int thirdNumber;

+ (int) minimum: (int) firstNumber, ...;

@end

@implementation MathClass

+ (int) sum: (int)firstNumber, int secondNumber, ...

{

  va_list ap;

  int sum = 0, number = 0;

  va_start (ap, secondNumber);

  number = firstNumber + secondNumber;

  while (number >= 0)

    {

      sum += number;

      number = va_arg (ap, int);

    }

  va_end (ap);

  return sum;

}

+ (int) prod: (int) firstNumber, int secondNumber, int thirdNumber {

  return firstNumber * secondNumber * thirdNumber;

}

+ (int) minimum: (int)firstNumber, ...

{

  va_list ap;

  int minimum = 999, number = 0;

  va_start (ap, firstNumber);

  number = firstNumber;

  while (number >= 0)

    {

      minimum = (minimum < number ? minimum: number);

      number = va_arg (ap, int);

    }

  va_end (ap);

  return minimum;

}

@end

int main (void)

{

  if ([MathClass sum: 1, 2, 3, 4, 5, -1] != 15)

      abort ();

  if ([MathClass prod: 4, 5, 6] != 120)

      abort ();

  if ([MathClass minimum: 17, 9, 133, 84, 35, -1] != 9)

      abort ();

  return 0;

}