From 4a97761c1a571e9475c782b758e513cfe6a505ae Mon Sep 17 00:00:00 2001
From: kazu <kazu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 5 Jun 2013 11:53:02 +0000
Subject: [PATCH] add description of test in comment

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41089 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/fileutils/test_fileutils.rb | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/test/fileutils/test_fileutils.rb b/test/fileutils/test_fileutils.rb
index af8358bd01..987bc9ae0c 100644
--- a/test/fileutils/test_fileutils.rb
+++ b/test/fileutils/test_fileutils.rb
@@ -1227,6 +1227,9 @@ class TestFileUtils
       Dir.rmdir '/'
     rescue => e
       assert_raise(e.class) {
+        # Dir.rmdir('') raises Errno::ENOENT.
+        # FileUtils#rmdir ignores it.
+        # And this test failed as expected.
         rmdir '/'
       }
     end