naruse	2014-04-23 12:53:53 +0900 (Wed, 23 Apr 2014)

  New Revision: 45683

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=45683

  Log:
    check Linux version

  Modified files:
    trunk/test/ruby/test_io.rb
Index: test/ruby/test_io.rb
===================================================================
--- test/ruby/test_io.rb	(revision 45682)
+++ test/ruby/test_io.rb	(revision 45683)
@@ -1673,11 +1673,14 @@ class TestIO < Test::Unit::TestCase https://github.com/ruby/ruby/blob/trunk/test/ruby/test_io.rb#L1673
       when 0x9123683E # BTRFS_SUPER_MAGIC
       when 0x7461636f # OCFS2_SUPER_MAGIC
       when 0xEF53 # EXT2_SUPER_MAGIC EXT3_SUPER_MAGIC EXT4_SUPER_MAGIC
+        return false if (`/bin/uname -r`.split('.') <=> %w[3 8]) < 0
         # ext3's timestamp resolution is seconds
         s = f.stat
         s.mtime.nsec != 0 || s.atime.nsec != 0 || s.ctime.nsec != 0
       when 0x58465342 # XFS_SUPER_MAGIC
+        return false if (`/bin/uname -r`.split('.') <=> %w[3 5]) < 0
       when 0x01021994 # TMPFS_MAGIC
+        return false if (`/bin/uname -r`.split('.') <=> %w[3 8]) < 0
       else
         return false
       end

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