(mut f: F, given: &str)
| 422 | } |
| 423 | |
| 424 | fn roundtrip_with<F>(mut f: F, given: &str) |
| 425 | where F: FnMut(&mut ParserBuilder) -> &mut ParserBuilder |
| 426 | { |
| 427 | let mut builder = ParserBuilder::new(); |
| 428 | f(&mut builder); |
| 429 | let ast = builder.build().parse(given).unwrap(); |
| 430 | |
| 431 | let mut printer = Printer::new(); |
| 432 | let mut dst = String::new(); |
| 433 | printer.print(&ast, &mut dst).unwrap(); |
| 434 | assert_eq!(given, dst); |
| 435 | } |
| 436 | |
| 437 | #[test] |
| 438 | fn print_literal() { |