diff --git a/test/tests/LibStuffTest.cpp b/test/tests/LibStuffTest.cpp
index 8cf7b1c77..2457f73b1 100644
--- a/test/tests/LibStuffTest.cpp
+++ b/test/tests/LibStuffTest.cpp
@@ -32,6 +32,7 @@ struct LibStuff : tpunit::TestFixture {
                                     TEST(LibStuff::testBase32Conversion),
                                     TEST(LibStuff::testContains),
                                     TEST(LibStuff::testFirstOfMonth),
+                                    TEST(LibStuff::SREReplaceTest),
                                     TEST(LibStuff::SQResultTest)
                                     )
     { }
@@ -638,6 +639,15 @@ struct LibStuff : tpunit::TestFixture {
         ASSERT_EQUAL(SFirstOfMonth(timeStamp4, -25), "2018-06-01");
     }
 
+    void SREReplaceTest() {
+        // This specifically tests multiple replacements and that the final string is longer than the starting string.
+        string from = "a cat is not a dog it is a cat";
+        string expected = "a elephant is not a dog it is a elephant";
+        string result = SREReplace("cat", from, "elephant");
+
+        ASSERT_EQUAL(result, expected);
+    }
+
     void SQResultTest() {
         SQLite db(":memory:", 1000, 1000, 1);
         db.beginTransaction(SQLite::TRANSACTION_TYPE::EXCLUSIVE);