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-rw-r--r--test/stringio/test_stringio.rb10
1 files changed, 10 insertions, 0 deletions
diff --git a/test/stringio/test_stringio.rb b/test/stringio/test_stringio.rb
index fee305e856..de15ab5508 100644
--- a/test/stringio/test_stringio.rb
+++ b/test/stringio/test_stringio.rb
@@ -30,4 +30,14 @@ class TestStringIO < Test::Unit::TestCase
io.print "last"
assert_equal("\0" * n + "last", io.string)
end
+
+ def test_overwrite # [ruby-core:03836]
+ stringio = StringIO.new
+ responses = ['', 'just another ruby', 'hacker']
+ responses.each do |resp|
+ stringio.puts(resp)
+ stringio.rewind
+ end
+ assert_equal("hacker\nother ruby\n", stringio.string)
+ end
end