diff --git a/JsonGeneratorTests/StringBuilderTests.cpp b/JsonGeneratorTests/StringBuilderTests.cpp
index 54412ac3..b89705e5 100644
--- a/JsonGeneratorTests/StringBuilderTests.cpp
+++ b/JsonGeneratorTests/StringBuilderTests.cpp
@@ -35,6 +35,13 @@ namespace JsonGeneratorTests
             assertResultIs("ABCD");
         }
 
+        TEST_METHOD(AppendOneTwoStrings)
+        {
+            append("ABCD");
+            append("EFGH");
+            assertResultIs("ABCDEFGH");
+        }
+
         TEST_METHOD(AppendSpecialChars)
         {
             append("\\\"\/\b\f\n\r");