From 8ec63876153cba14ae5a9b4dbe4ee6b8983ee193 Mon Sep 17 00:00:00 2001
From: Hubert Chathi <hubert@uhoreg.ca>
Date: Mon, 22 Apr 2019 13:14:39 -0400
Subject: [PATCH] include the C++ string library in unit tests

to fix compilation errors in some compilers
---
 tests/include/unittest.hh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tests/include/unittest.hh b/tests/include/unittest.hh
index 7c65f9f..3ce4f38 100644
--- a/tests/include/unittest.hh
+++ b/tests/include/unittest.hh
@@ -16,7 +16,7 @@
 #include <iostream>
 #include <iomanip>
 #include <cstdlib>
-
+#include <string>
 
 std::ostream & print_hex(
     std::ostream & os,