public function testReverseFilterOnNonUTF8String() { $twig = new Apishka_Templater_Environment($this->createMock('Apishka_Templater_LoaderInterface')); $twig->setCharset('ISO-8859-1'); $input = iconv('UTF-8', 'ISO-8859-1', 'Äé'); $output = iconv('ISO-8859-1', 'UTF-8', twig_reverse_filter($twig, $input)); $this->assertEquals($output, 'éÄ'); }