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require File.expand_path('../helper', __FILE__)
class LanguageTest < Test::Unit::TestCase
L = Rack::Accept::Language
def test_qvalue
l = L.new('')
assert_equal(1, l.qvalue('en'))
l = L.new('en;q=0.5, en-gb')
assert_equal(0.5, l.qvalue('en'))
assert_equal(1, l.qvalue('en-gb'))
assert_equal(0, l.qvalue('da'))
end
def test_matches
l = L.new('da, *, en')
assert_equal(%w{*}, l.matches(''))
assert_equal(%w{da *}, l.matches('da'))
assert_equal(%w{en *}, l.matches('en'))
assert_equal(%w{en *}, l.matches('en-gb'))
assert_equal(%w{*}, l.matches('eng'))
l = L.new('en, en-gb')
assert_equal(%w{en-gb en}, l.matches('en-gb'))
end
def test_best_of
l = L.new('en;q=0.5, en-gb')
assert_equal('en-gb', l.best_of(%w< en en-gb >))
assert_equal('en', l.best_of(%w< en da >))
assert_equal('en-us', l.best_of(%w< en-us en-au >))
assert_equal(nil, l.best_of(%w< da >))
l = L.new('en;q=0.5, en-GB, fr-CA')
assert_equal('en-gb', l.best_of(%w< en en-gb >))
l = L.new('en-gb;q=0.5, EN, fr-CA')
assert_equal('en', l.best_of(%w< en en-gb >))
l = L.new('en;q=0.5, fr-ca')
assert_equal('en', l.best_of(%w< en fr >))
l.first_level_match = true
assert_equal('fr', l.best_of(%w< en fr >))
end
end
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