From ede0df3a9b38d18f46aecf70075dda688c9bd4c1 Mon Sep 17 00:00:00 2001
From: hsbt <hsbt@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Tue, 22 Aug 2017 06:40:59 +0000
Subject: Gracefully handle CSV IO when file descriptor closed.

  [Bug #10504][ruby-core:66240]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59642 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/csv/test_interface.rb | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'test/csv')

diff --git a/test/csv/test_interface.rb b/test/csv/test_interface.rb
index f2c774f606..be27fcd616 100755
--- a/test/csv/test_interface.rb
+++ b/test/csv/test_interface.rb
@@ -137,6 +137,14 @@ class TestCSV::Interface < TestCSV
     end
   end
 
+  def test_open_handles_prematurely_closed_file_descriptor_gracefully
+    assert_nothing_raised(Exception) do
+      CSV.open(@path) do |csv|
+        csv.close
+      end
+    end
+  end
+
   ### Test Write Interface ###
 
   def test_generate
-- 
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