diff --git a/test/src/unit-alt-string.cpp b/test/src/unit-alt-string.cpp
index 356835c0..ba52d6a4 100644
--- a/test/src/unit-alt-string.cpp
+++ b/test/src/unit-alt-string.cpp
@@ -102,6 +102,10 @@ class alt_string
         str_impl.resize(n, c);
     }
 
+	auto begin() -> std::string::iterator { return str_impl.begin(); }
+
+	auto end() -> std::string::iterator { return str_impl.end(); }
+
     template <typename op_type>
     bool operator<(const op_type& op) const
     {