Function ExpectListContentsForDirection

test/linked_list_unittest.cc:37–49

Checks that when iterating |list| (either from head to tail, or from tail to head, as determined by |forward|), we get back |node_ids|, which is an array of size |num_nodes|.

// tail to head, as determined by |forward|), we get back |node_ids|,
// which is an array of size |num_nodes|.
void ExpectListContentsForDirection(const LinkedList<Node>& list,
  int num_nodes, const int* node_ids, bool forward) {
  int i = 0;
  for (const LinkNode<Node>* node = (forward ? list.head() : list.tail());
       node != list.end();
       node = (forward ? node->next() : node->previous())) {
    ASSERT_LT(i, num_nodes);
    int index_of_id = forward ? i : num_nodes - i - 1;
    EXPECT_EQ(node_ids[index_of_id], node->value()->id());
    ++i;
  }
  EXPECT_EQ(num_nodes, i);
}

void ExpectListContents(const LinkedList<Node>& list,
                        int num_nodes,