Function permute

c/tests/refcount_test.cpp:256–271

}

static void permute(int n, int *indexes, void **objects) {
  int j;
  if (n == 1) {
    test_decref_order(indexes, objects);
  } else {
    for (int i = 1; i <= n; i++) {
      permute(n - 1, indexes, objects);
      if ((n % 2) == 1) {
        j = 1;
      } else {
        j = i;
      }
      swap(indexes, j - 1, n - 1);
    }
  }
}

TEST_CASE("test_decref_permutations") {
  void *objects[4];