[MacRuby] #952: Should set got string to $_ when calls StringIO#gets #readline.

[MacRuby]

#952: Should set got string to $_ when calls StringIO#gets #readline.
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 Reporter:  watson1978@…          |       Owner:  lsansonetti@…        
     Type:  defect                |      Status:  new                  
 Priority:  minor                 |   Milestone:                       
Component:  MacRuby               |    Keywords:                       
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 Test Script:
 {{{
 #!ruby
 require 'stringio'

 str = StringIO.new("hello world!")
 s = str.gets
 p s
 p $_

 str = StringIO.new("1234")
 s = str.readline
 p s
 p $_
 }}}

 Result:
 {{{
 $  ruby19 -v test_stringio.rb
 ruby 1.9.2p0 (2010-08-18 revision 29036) [x86_64-darwin10.4.0]
 "hello world!"
 "hello world!"
 "1234"
 "1234"

 $ macruby test_stringio.rb
 "hello world!"
 nil
 "1234"
 nil
 }}}

-- 
Ticket URL: <http://www.macruby.org/trac/ticket/952>
MacRuby <http://macruby.org/>