public function testLookup()
{
$expected = 'zh_Hans_HK';
$result = Locale::lookup(array('zh_Hans_REVISED', 'zh_Hans_HK', 'zh', 'zh_Hans'), 'zh_Hans_HK_REVISED');
$this->assertEqual($expected, $result);
$expected = 'zh_Hans_HK';
$result = Locale::lookup(array('zh', 'zh_Hans_REVISED', 'zh_Hans_HK', 'zh_Hans'), 'zh_Hans_HK_REVISED');
$this->assertEqual($expected, $result);
}