diff --git a/examples/multi_curl_proxy.php b/examples/multi_curl_proxy.php
index 45e3d16..c57fdf9 100644
--- a/examples/multi_curl_proxy.php
+++ b/examples/multi_curl_proxy.php
@@ -1,7 +1,7 @@
 <?php
 require __DIR__ . '/../vendor/autoload.php';
 
-use \Curl\Curl;
+use \Curl\MultiCurl;
 
 $multi_curl = new MultiCurl();
 $multi_curl->setProxy('someproxy.com', '9999', 'username', 'password');
diff --git a/tests/PHPCurlClass/PHPCurlClassTest.php b/tests/PHPCurlClass/PHPCurlClassTest.php
index c698056..bc8e5fd 100644
--- a/tests/PHPCurlClass/PHPCurlClassTest.php
+++ b/tests/PHPCurlClass/PHPCurlClassTest.php
@@ -3779,7 +3779,7 @@ class CurlTest extends \PHPUnit\Framework\TestCase
 
     public function testSetProxyType()
     {
-        $type =  CURLPROXY_SOCKS5;
+        $type = CURLPROXY_SOCKS5;
 
         $curl = new Curl();
         $this->assertNull($curl->getOpt(CURLOPT_PROXYTYPE));
diff --git a/tests/PHPCurlClass/PHPMultiCurlClassTest.php b/tests/PHPCurlClass/PHPMultiCurlClassTest.php
index 7549584..83b27a3 100644
--- a/tests/PHPCurlClass/PHPMultiCurlClassTest.php
+++ b/tests/PHPCurlClass/PHPMultiCurlClassTest.php
@@ -2889,4 +2889,34 @@ class MultiCurlTest extends \PHPUnit\Framework\TestCase
         $multi_curl->unsetProxy();
         $this->assertNull($multi_curl->getOpt(CURLOPT_PROXY));
     }
+
+    public function testSetProxyAuth()
+    {
+        $auth = CURLAUTH_BASIC;
+
+        $multi_curl = new MultiCurl();
+        $this->assertNull($multi_curl->getOpt(CURLOPT_PROXYAUTH));
+        $multi_curl->setProxyAuth($auth);
+        $this->assertEquals($auth, $multi_curl->getOpt(CURLOPT_PROXYAUTH));
+    }
+
+    public function testSetProxyType()
+    {
+        $type = CURLPROXY_SOCKS5;
+
+        $multi_curl = new MultiCurl();
+        $this->assertNull($multi_curl->getOpt(CURLOPT_PROXYTYPE));
+        $multi_curl->setProxyType($type);
+        $this->assertEquals($type, $multi_curl->getOpt(CURLOPT_PROXYTYPE));
+    }
+
+    public function testSetProxyTunnel()
+    {
+        $tunnel = true;
+
+        $multi_curl = new MultiCurl();
+        $this->assertNull($multi_curl->getOpt(CURLOPT_HTTPPROXYTUNNEL));
+        $multi_curl->setProxyTunnel($tunnel);
+        $this->assertEquals($tunnel, $multi_curl->getOpt(CURLOPT_HTTPPROXYTUNNEL));
+    }
 }