diff --git a/test/testtoken.cpp b/test/testtoken.cpp
index c98b0bed6..4e05af662 100644
--- a/test/testtoken.cpp
+++ b/test/testtoken.cpp
@@ -191,7 +191,10 @@ private:
         ASSERT_EQUALS(true, Token::Match(hexadecimal.tokens(), "%num%"));
 
         givenACodeSampleToTokenize positive("+666");
-        TODO_ASSERT_EQUALS(true, Token::Match(positive.tokens(), "%num%"));
+        ASSERT_EQUALS(true, Token::Match(positive.tokens(), "+ %num%"));
+
+        givenACodeSampleToTokenize negative("-42");
+        ASSERT_EQUALS(true, Token::Match(negative.tokens(), "- %num%"));
     }