1 files changed, 7 insertions, 0 deletions
diff --git a/test/ruby/test_process.rb b/test/ruby/test_process.rb
index 5c05a47af5..a731dee99d 100644
--- a/test/ruby/test_process.rb
+++ b/test/ruby/test_process.rb
@@ -1323,4 +1323,11 @@ class TestProcess < Test::Unit::TestCase
       end
     end
   end
+
+  def test_popen_cloexec
+    return unless defined? Fcntl::FD_CLOEXEC
+    IO.popen([RUBY, "-e", ""]) {|io|
+      assert(io.close_on_exec?)
+    }
+  end
 end