run test. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@5580 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@5117 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* test/ruby/ut_eof.rb, test/ruby/test_file.rb, test/ruby/test_pipe.rb, test/stringio/test_stringio.rb: add EOF test. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@5115 b2dd03c8-39d4-4d8f-98ff-823fe69b080e