* test/ruby/test_io.rb (TestIO#test_dup): this test might fail if

there are any garbage IO objects.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@19375 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,8 @@
+Tue Sep 16 08:35:29 2008  Yukihiro Matsumoto  <matz@ruby-lang.org>
+
+	* test/ruby/test_io.rb (TestIO#test_dup): this test might fail if
+	  there are any garbage IO objects.
+
 Tue Sep 16 02:02:56 2008  NARUSE, Yui  <naruse@ruby-lang.org>
 
 	* string.c (rb_str_buf_cat_ascii): codepoint is unsigned int.

test/ruby/test_io.rb

@@ -578,18 +578,6 @@ class TestIO < Test::Unit::TestCase
     (wt.kill; wt.join) if wt
   end
 
-  def pipe2(&b)
-    a = []
-    a << IO.pipe while true
-  rescue Errno::EMFILE, Errno::ENFILE, Errno::ENOMEM
-    yield(*a.last)
-  ensure
-    a.each do |r, w|
-      r.close unless !r || r.closed?
-      w.close unless !w || w.closed?
-    end
-  end
-
   def ruby(*args)
     args = ['-e', '$>.write($<.read)'] if args.empty?
     ruby = EnvUtil.rubybin
@@ -640,10 +628,13 @@ class TestIO < Test::Unit::TestCase
       open(__FILE__) # see Bug #493 [ruby-dev:35957]
     end.call
 
-    pipe2 do |r, w|
-      assert_raise(Errno::EMFILE, Errno::ENFILE, Errno::ENOMEM) do
-        r2, w2 = r.dup, w.dup
-      end
+    a = []
+    assert_raise(Errno::EMFILE, Errno::ENFILE, Errno::ENOMEM) do
+      loop {a << IO.pipe}
+    end
+    a.each do |r, w|
+      r.close unless !r || r.closed?
+      w.close unless !w || w.closed?
     end
   end