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-rw-r--r--test/stringio/test_stringio.rb8
1 files changed, 8 insertions, 0 deletions
diff --git a/test/stringio/test_stringio.rb b/test/stringio/test_stringio.rb
index 0258218755..26fcc624e2 100644
--- a/test/stringio/test_stringio.rb
+++ b/test/stringio/test_stringio.rb
@@ -418,6 +418,14 @@ class TestStringIO < Test::Unit::TestCase
assert_equal("\u3042\u3044", f.read)
f.rewind
assert_equal("\u3042\u3044".force_encoding(Encoding::ASCII_8BIT), f.read(f.size))
+
+ bug5207 = '[ruby-core:39026]'
+ f.rewind
+ assert_equal("\u3042\u3044", f.read(nil, nil), bug5207)
+ f.rewind
+ s = ""
+ f.read(nil, s)
+ assert_equal("\u3042\u3044", s, bug5207)
end
def test_readpartial