public function testGetOpenOrders()
 {
     $openOrders = $this->client->getOpenOrders(Currency::XBT, Currency::USD);
     $this->assert($openOrders, instance_of, '\\Elliotchance\\Iterator\\AbstractPagedIterator');
     $this->assert(count($openOrders), is_greater_than, 0);
     $found = false;
     foreach ($openOrders as $order) {
         if ($order->getGuid() != '32011786-913f-4ed6-84be-5ba2387a3f7b') {
             continue;
         }
         $this->verify($order->getCreatedTimestamp(), equals, new DateTime("2014-12-30T23:02:27.0640799Z"));
         $this->verify($order->getType(), equals, OrderType::LIMIT_OFFER);
         $this->verify($order->getVolume(), equals, 0.01);
         $this->verify($order->getOutstanding(), is_greater_than, 0);
         $this->verify($order->getPrice(), is_greater_than, 0);
         $this->verify($order->getGuid(), matches_regex, '/[a-f\\d]{8}-[a-f\\d]{4}-[a-f\\d]{4}-[a-f\\d]{4}-[a-f\\d]{12}/');
         $this->verify($order->getPrimaryCurrencyCode(), equals, Currency::XBT);
         $this->verify($order->getSecondaryCurrencyCode(), equals, Currency::USD);
         $found = true;
     }
     $this->assert($found);
 }