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read may return nil

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52689 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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naruse 2015-11-20 23:51:44 +00:00
parent ba772af0a6
commit 9ddeb957fd
1 changed files with 1 additions and 1 deletions
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2
test/lib/test/unit.rb
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@ -325,7 +325,7 @@ module Test
def deal(io, type, result, rep, shutting_down = false) def deal(io, type, result, rep, shutting_down = false)
worker = @workers_hash[io] worker = @workers_hash[io]
cmd = worker.read cmd = worker.read
cmd.sub!(/\A\.+/, '') cmd.sub!(/\A\.+/, '') if cmd # read may return nil
case cmd case cmd
when '' when ''
# just only dots, ignore # just only dots, ignore