public function testErrorWithObjectFilename() {
$error = new Twig_Error('foo');
$error
->setTemplateFile(new SplFileInfo(__FILE__));
$this
->assertContains('test' . DIRECTORY_SEPARATOR . 'Twig' . DIRECTORY_SEPARATOR . 'Tests' . DIRECTORY_SEPARATOR . 'ErrorTest.php', $error
->getMessage());
}