public function testHttpOptions()
 {
     $cli = new Client($this->url, array('timeout' => 13, 'credentials' => array('Galileo', 'Galilei'), 'proxy' => array('myproxy.nu', 9870)));
     $opts = $cli->getHttpOptions();
     $this->assertEquals(13, $opts['connect_timeout']);
     $this->assertEquals(13, $opts['timeout']);
     $this->assertEquals(array('Galileo', 'Galilei'), $opts['auth']);
     $this->assertEquals(array('myproxy.nu', 9870), $opts['proxy']);
 }