From d4c6c4c8c86b828ab941c8ac29fe6894210c5b9f Mon Sep 17 00:00:00 2001
From: naruse <naruse@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 23 Apr 2014 02:41:54 +0000
Subject: check whther ext4+ or not

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45679 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/ruby/test_io.rb | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'test/ruby/test_io.rb')

diff --git a/test/ruby/test_io.rb b/test/ruby/test_io.rb
index 4654ec3ea7..21f85c284c 100644
--- a/test/ruby/test_io.rb
+++ b/test/ruby/test_io.rb
@@ -1672,7 +1672,10 @@ class TestIO < Test::Unit::TestCase
       case f.statfs.type
       when 0x9123683E # BTRFS_SUPER_MAGIC
       when 0x7461636f # OCFS2_SUPER_MAGIC
-      when 0xEF53 # EXT4_SUPER_MAGIC
+      when 0xEF53 # EXT2_SUPER_MAGIC EXT3_SUPER_MAGIC EXT4_SUPER_MAGIC
+        # ext3's timestamp resolution is seconds
+        s = f.stat
+        stat.mtime.nsec != 0 || stat.atime.nsec != 0 || stat.ctime.nsec != 0
       when 0x58465342 # XFS_SUPER_MAGIC
       when 0x01021994 # TMPFS_MAGIC
       else
@@ -1682,7 +1685,6 @@ class TestIO < Test::Unit::TestCase
     true
   end
 
-
   def test_seek
     make_tempfile {|t|
       open(t.path) { |f|
-- 
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