/**
* Tests `preferred_charset` works as expected, returning the correct charset
* from the list supplied
*
* @dataProvider provider_preferred_charset
*
* @param array state
* @param array charsets
* @param string expected
* @return void
*/
public function test_preferred_charset(array $state, array $charsets, $expected)
{
$header = new HTTP_Header($state);
$this->assertSame($expected, $header->preferred_charset($charsets));
}
