diff --git a/tests/thinkphp/library/think/cache/driver/memcachedTest.php b/tests/thinkphp/library/think/cache/driver/memcachedTest.php
index 95435097..58bcbd88 100644
--- a/tests/thinkphp/library/think/cache/driver/memcachedTest.php
+++ b/tests/thinkphp/library/think/cache/driver/memcachedTest.php
@@ -51,4 +51,22 @@ class memcachedTest extends cacheTestCase
     public function testStaticCall()
     {
     }
+
+    /**
+     * 测试缓存自增
+     * @return  mixed
+     * @access public
+     */
+    public function testInc()
+    {
+    }
+
+    /**
+     * 测试缓存自减
+     * @return  mixed
+     * @access public
+     */
+    public function testDec()
+    {
+    }
 }