From b9faa6b74ca443157ed93172bd3cd7bb44141ba5 Mon Sep 17 00:00:00 2001
From: akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sat, 31 Jan 2009 10:15:30 +0000
Subject: add a test.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@21918 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/ruby/test_io.rb | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'test/ruby/test_io.rb')

diff --git a/test/ruby/test_io.rb b/test/ruby/test_io.rb
index 708e25d766..0c1c6b2d2b 100644
--- a/test/ruby/test_io.rb
+++ b/test/ruby/test_io.rb
@@ -812,6 +812,17 @@ class TestIO < Test::Unit::TestCase
     end
   end
 
+  def test_readpartial_pos
+    mkcdtmpdir {
+      open("foo", "w") {|f| f << "abc" }
+      open("foo") {|f|
+        f.seek(0)
+        assert_equal("ab", f.readpartial(2))
+        assert_equal(2, f.pos)
+      }
+    }
+  end
+
   def test_read
     pipe(proc do |w|
       w.write "foobarbaz"
-- 
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