* test/ruby/test_io.rb (TestIO#test_O_CLOEXEC): add null check.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@31611 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 4 insertions, 4 deletions

diff --git a/test/ruby/test_io.rb b/test/ruby/test_io.rb
index 9171dc6a31..f5f49f3efa 100644
--- a/test/ruby/test_io.rb
+++ b/test/ruby/test_io.rb
@@ -1281,10 +1281,10 @@ class TestIO < Test::Unit::TestCase
         while (e = ary.shift) != nil
           e.close
         end
-        arg.close unless arg.closed?
-        argw.close unless argw.closed?
-        ret.close unless ret.closed?
-        retw.close unless retw.closed?
+        arg.close  unless !arg  || arg.closed?
+        argw.close unless !argw || argw.closed?
+        ret.close  unless !ret  || ret.closed?
+        retw.close unless !retw || retw.closed?
       end
     end
   end