test/testunit: reap zombie

* test/testunit/test_hideskip.rb (test_hideskip): reap zombie by
  reading with IO.popen instead of separated spawn and assert.

* test/testunit/test_redefinition.rb (test_redefinition): ditto.

* test/testunit/test_sorting.rb (test_sorting): ditto.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41421 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 7 insertions, 7 deletions

diff --git a/test/testunit/test_sorting.rb b/test/testunit/test_sorting.rb
index 77374f6843..96348dd172 100644
--- a/test/testunit/test_sorting.rb
+++ b/test/testunit/test_sorting.rb
@@ -2,16 +2,16 @@ require 'test/unit'
 
 class TestTestUnitSorting < Test::Unit::TestCase
   def test_sorting
-    test_out, o = IO.pipe
-    spawn(*@options[:ruby], "#{File.dirname(__FILE__)}/test4test_sorting.rb",
-          "--verbose", out: o, err: o)
-    o.close
-    result = test_out.read
-
+    result = sorting
     assert_match(/^  1\) Skipped:/, result)
     assert_match(/^  2\) Failure:/, result)
     assert_match(/^  3\) Error:/,   result)
+  end
 
-    test_out.close
+  def sorting(*args)
+    IO.popen([*@options[:ruby], "#{File.dirname(__FILE__)}/test4test_sorting.rb",
+              "--verbose", *args], err: [:child, :out]) {|f|
+      f.read
+    }
   end
 end