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* lib/csv.rb: Upgrading output encoding with ASCII content

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as needed.  [ruby-core:33229]



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@29822 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
jeg2 2010-11-17 15:03:25 +00:00
parent 7afe174b9e
commit b028e8d45d
3 changed files with 15 additions and 3 deletions
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8
test/csv/test_encodings.rb
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@ -225,6 +225,14 @@ class TestEncodings < Test::Unit::TestCase
assert_equal("UTF-8", data.join.encoding.name)
assert_equal("UTF-8", data.to_csv.encoding.name)
end
def test_encoding_is_upgraded_for_ascii_content_during_writing_as_needed
data = ["foo".force_encoding("ISO-8859-1"), "\u3042"]
assert_equal("ISO-8859-1", data.first.encoding.name)
assert_equal("UTF-8", data.last.encoding.name)
assert_equal("UTF-8", data.join.encoding.name)
assert_equal("UTF-8", data.to_csv.encoding.name)
end
private