public function testStringWithEscapedInterpolation() {
$template = '{{ "bar \\#{baz+1}" }}';
$lexer = new Twig_Lexer(new Twig_Environment());
$stream = $lexer
->tokenize($template);
$stream
->expect(Twig_Token::VAR_START_TYPE);
$stream
->expect(Twig_Token::STRING_TYPE, 'bar #{baz+1}');
$stream
->expect(Twig_Token::VAR_END_TYPE);
}