OneLogin_Saml2_Utils::getProxyVars PHP Method

    public static function getProxyVars()
    {
        return self::$_proxyVars;
    }

 /**
  * @covers OneLogin_Saml2_Utils::setProxyVars()
  * @covers OneLogin_Saml2_Utils::getProxyVars()
  */
 public function testProxyvars()
 {
     $this->assertFalse(OneLogin_Saml2_Utils::getProxyVars());
     OneLogin_Saml2_Utils::setProxyVars(true);
     $this->assertTrue(OneLogin_Saml2_Utils::getProxyVars());
     $_SERVER['HTTP_X_FORWARDED_PROTO'] = 'https';
     $_SERVER['SERVER_PORT'] = '80';
     $this->assertTrue(OneLogin_Saml2_Utils::isHTTPS());
     OneLogin_Saml2_Utils::setProxyVars(false);
     $this->assertFalse(OneLogin_Saml2_Utils::isHTTPS());
 }