From c0ba5cffcdc39ab0207f62f3a96047a2077224ca Mon Sep 17 00:00:00 2001
From: miloyip <miloyip@gmail.com>
Date: Tue, 14 Apr 2015 10:01:22 +0800
Subject: [PATCH] Add comment

---
 test/unittest/stringbuffertest.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/test/unittest/stringbuffertest.cpp b/test/unittest/stringbuffertest.cpp
index e6ebbcfe6..7cfde4fef 100644
--- a/test/unittest/stringbuffertest.cpp
+++ b/test/unittest/stringbuffertest.cpp
@@ -55,6 +55,7 @@ TEST(StringBuffer, Push) {
 
     EXPECT_EQ(5u, buffer.GetSize());
 
+    // Causes sudden expansion to make the stack's capacity equal to size
     buffer.Push(65536u);
     EXPECT_EQ(5u + 65536u, buffer.GetSize());
 }