From 438716a839ff94ef72f7e261e7fb1114e482cb39 Mon Sep 17 00:00:00 2001
From: Gary Gregory <garydgregory@gmail.com>
Date: Mon, 15 Jun 2020 09:17:23 -0400
Subject: [PATCH] Add edge case.

---
 src/test/java/org/apache/commons/lang3/StringUtilsTest.java | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/test/java/org/apache/commons/lang3/StringUtilsTest.java b/src/test/java/org/apache/commons/lang3/StringUtilsTest.java
index a83a34bef..3230aa041 100644
--- a/src/test/java/org/apache/commons/lang3/StringUtilsTest.java
+++ b/src/test/java/org/apache/commons/lang3/StringUtilsTest.java
@@ -1357,6 +1357,7 @@ public void testJoinWith() {
 
         assertEquals("a,b,c", StringUtils.joinWith(",", "a", "b", "c"));
         assertEquals(",a,", StringUtils.joinWith(",", null, "a", ""));
+        assertEquals(",a,", StringUtils.joinWith(",", "", "a", ""));
 
         assertEquals("ab", StringUtils.joinWith(null, "a", "b"));
     }