akr	2015-03-13 12:29:43 +0900 (Fri, 13 Mar 2015)

  New Revision: 49958

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=49958

  Log:
    * test/readline/test_readline.rb: Restore environment variables:
      COLUMNS LINES

  Modified files:
    trunk/ChangeLog
    trunk/test/readline/test_readline.rb
Index: ChangeLog
===================================================================
--- ChangeLog	(revision 49957)
+++ ChangeLog	(revision 49958)
@@ -1,3 +1,8 @@ https://github.com/ruby/ruby/blob/trunk/ChangeLog#L1
+Fri Mar 13 12:29:07 2015  Tanaka Akira  <akr@f...>
+
+	* test/readline/test_readline.rb: Restore environment variables:
+	  COLUMNS LINES
+
 Fri Mar 13 11:37:46 2015  Nobuyoshi Nakada  <nobu@r...>
 
 	* ext/fiddle/extconf.rb: needs --enable-shared when linked to
Index: test/readline/test_readline.rb
===================================================================
--- test/readline/test_readline.rb	(revision 49957)
+++ test/readline/test_readline.rb	(revision 49958)
@@ -9,8 +9,10 @@ end https://github.com/ruby/ruby/blob/trunk/test/readline/test_readline.rb#L9
 
 class TestReadline < Test::Unit::TestCase
   INPUTRC = "INPUTRC"
+  SAVED_ENV = %w[COLUMNS LINES]
 
   def setup
+    @saved_env = ENV.values_at(*SAVED_ENV)
     @inputrc, ENV[INPUTRC] = ENV[INPUTRC], IO::NULL
   end
 
@@ -24,6 +26,7 @@ class TestReadline < Test::Unit::TestCas https://github.com/ruby/ruby/blob/trunk/test/readline/test_readline.rb#L26
     end
     Readline.input = nil
     Readline.output = nil
+    SAVED_ENV.each_with_index {|k, i| ENV[k] = @saved_env[i] }
   end
 
   if !/EditLine/n.match(Readline::VERSION)

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