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require File.expand_path('../helper', __FILE__)
class CharsetTest < Test::Unit::TestCase
C = Rack::Accept::Charset
def test_qvalue
c = C.new('')
assert_equal(0, c.qvalue('unicode-1-1'))
assert_equal(1, c.qvalue('iso-8859-1'))
c = C.new('unicode-1-1')
assert_equal(1, c.qvalue('unicode-1-1'))
assert_equal(0, c.qvalue('iso-8859-5'))
assert_equal(1, c.qvalue('iso-8859-1'))
c = C.new('unicode-1-1, *;q=0.5')
assert_equal(1, c.qvalue('unicode-1-1'))
assert_equal(0.5, c.qvalue('iso-8859-5'))
assert_equal(0.5, c.qvalue('iso-8859-1'))
c = C.new('iso-8859-1;q=0, *;q=0.5')
assert_equal(0.5, c.qvalue('iso-8859-5'))
assert_equal(0, c.qvalue('iso-8859-1'))
c = C.new('*;q=0')
assert_equal(0, c.qvalue('iso-8859-1'))
end
def test_matches
c = C.new('iso-8859-1, iso-8859-5, *')
assert_equal(%w{*}, c.matches(''))
assert_equal(%w{iso-8859-1 *}, c.matches('iso-8859-1'))
assert_equal(%w{*}, c.matches('unicode-1-1'))
end
def test_best_of
c = C.new('iso-8859-5, unicode-1-1;q=0.8')
assert_equal('iso-8859-5', c.best_of(%w< iso-8859-5 unicode-1-1 >))
assert_equal('iso-8859-5', c.best_of(%w< iso-8859-5 utf-8 >))
assert_equal('iso-8859-1', c.best_of(%w< iso-8859-1 utf-8 >))
assert_equal(nil, c.best_of(%w< utf-8 >))
end
end
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