public function testConfirmMode()
{
$client = new Client();
$client->connect();
$channel = $client->channel();
$deliveryTag = null;
$channel->confirmSelect(function (MethodBasicAckFrame $frame) use(&$deliveryTag, $client) {
if ($frame->deliveryTag === $deliveryTag) {
$deliveryTag = null;
$client->stop();
}
});
$deliveryTag = $channel->publish(".");
$client->run(1);
$this->assertNull($deliveryTag);
}
