public function testBigNumbers() {
$template = '{{ 922337203685477580700 }}';
$lexer = new Twig_Lexer(new Twig_Environment());
$stream = $lexer
->tokenize($template);
$node = $stream
->next();
$node = $stream
->next();
$this
->assertEquals(9.223372036854776E+20, $node
->getValue());
}