From e73b5c9bfcd0563496a7bfbd113f505edb4d2c81 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Mon, 29 Nov 2004 05:00:46 +0000
Subject: * io.c (fptr_finalize): must not use FILE after fclose().  
 [ruby-dev:24985]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@7411 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/io/nonblock/test_flush.rb | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100644 test/io/nonblock/test_flush.rb

(limited to 'test/io/nonblock/test_flush.rb')

diff --git a/test/io/nonblock/test_flush.rb b/test/io/nonblock/test_flush.rb
new file mode 100644
index 0000000000..5ca4beba60
--- /dev/null
+++ b/test/io/nonblock/test_flush.rb
@@ -0,0 +1,22 @@
+require 'test/unit'
+require 'io/nonblock'
+
+class TestIONonblock < Test::Unit::TestCase
+  def test_flush                # [ruby-dev:24985]
+    r,w = IO.pipe
+    w.nonblock = true
+    w.sync = false
+    w << "b"
+    w.flush
+    w << "a" * 4096
+    Thread.new {
+      Thread.pass
+      w.close
+    }
+    Thread.new {
+      Thread.pass
+      nil while r.read(4096)
+    }
+    assert_raise(IOError) {w.flush}
+  end
+end
-- 
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