[ruby-dev:26380] Re: test failures and errors

山本です。

>  @backup = ENV[key]
>  ENV.delete(key)
>  ENV[key] = @backup if @backup

パッチにしてみたらそれほどでもなかったです。もっと他にも
変更が必要かと思ったのですが。

Index: test_env.rb
===================================================================
RCS file: /src/ruby/test/ruby/test_env.rb,v
retrieving revision 1.5
diff -u -w -b -p -r1.5 test_env.rb
--- test_env.rb	6 Apr 2005 07:19:54 -0000	1.5
+++ test_env.rb	25 Jun 2005 07:33:58 -0000
@@ -4,15 +4,13 @@ class TestEnv < Test::Unit::TestCase
   IGNORE_CASE = /djgpp|bccwin|mswin|mingw/ =~ RUBY_PLATFORM
 
   def setup
-    @backup = ENV['test']
-    @BACKUP = ENV['TEST']
-    ENV['test'] = nil
-    ENV['TEST'] = nil
+    @backup = ENV.delete('test')
+    @BACKUP = ENV.delete('TEST')
   end
 
   def teardown
-    ENV['test'] = @backup
-    ENV['TEST'] = @BACKUP
+    ENV['test'] = @backup if @backup
+    ENV['TEST'] = @BACKUP if @BACKUP
   end
 
   def test_bracket