From fd1774a9de9490fadd3e3511627fd9453a5ce714 Mon Sep 17 00:00:00 2001
From: Ayush Jha <ayush0407@hotmail.com>
Date: Fri, 1 Apr 2022 10:57:28 +0530
Subject: [PATCH] Test coverage (#4287)

---
 .../ctrip/framework/apollo/core/utils/PropertiesUtilTest.java | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/apollo-core/src/test/java/com/ctrip/framework/apollo/core/utils/PropertiesUtilTest.java b/apollo-core/src/test/java/com/ctrip/framework/apollo/core/utils/PropertiesUtilTest.java
index 396042cb612..ad54fd3589d 100644
--- a/apollo-core/src/test/java/com/ctrip/framework/apollo/core/utils/PropertiesUtilTest.java
+++ b/apollo-core/src/test/java/com/ctrip/framework/apollo/core/utils/PropertiesUtilTest.java
@@ -56,5 +56,9 @@ public void testFilterPropertiesComment() {
     PropertiesUtil.filterPropertiesComment(sb3);
     assertEquals("bbb", sb3.toString());
     assertNotEquals("#aaaaa" + System.lineSeparator() + "bbb", sb3.toString());
+    
+    StringBuffer sb4 = new StringBuffer("#aaaa");
+    PropertiesUtil.filterPropertiesComment(sb4);
+    assertEquals("#aaaa", sb4.toString());
   }
 }