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Mercurial > core / rust/lib/sxp/tests/fmt.rs

changeset 8: 1227f932b628
author: ellis <ellis@rwest.io>
date: Tue, 17 Oct 2023 20:36:37 -0400
permissions: -rw-r--r--
description: rust import 
     1 use std::io::BufWriter;
     2 use sxp::{DefaultFormatter, WriteFormatter};
     3 
     4 pub struct TestFormatter;
     5 #[test]
     6 fn canonical_fmt() {
     7   let mut buf = vec![];
     8   let mut f = DefaultFormatter;
     9   f.write_nil(&mut BufWriter::new(&mut buf)).unwrap();
    10   assert_eq!("nil", String::from_utf8(buf.clone()).unwrap());
    11   buf.clear();
    12   f.begin_list(&mut BufWriter::new(&mut buf)).unwrap();
    13   assert_eq!("(", String::from_utf8(buf.clone()).unwrap());
    14   buf.clear();
    15   f.end_list(&mut BufWriter::new(&mut buf)).unwrap();
    16   assert_eq!(")", String::from_utf8(buf.clone()).unwrap());
    17   buf.clear();
    18   f.begin_list_element(&mut BufWriter::new(&mut buf), false)
    19     .unwrap();
    20   assert_eq!(" ", String::from_utf8(buf.clone()).unwrap());
    21   buf.clear();
    22   f.begin_list_element(&mut BufWriter::new(&mut buf), true)
    23     .unwrap();
    24   assert_eq!("", String::from_utf8(buf.clone()).unwrap());
    25   buf.clear();
    26   f.end_list_element(&mut BufWriter::new(&mut buf)).unwrap();
    27   assert_eq!("", String::from_utf8(buf.clone()).unwrap());
    28   buf.clear();
    29   f.begin_key(&mut BufWriter::new(&mut buf)).unwrap();
    30   assert_eq!(":", String::from_utf8(buf.clone()).unwrap());
    31   buf.clear();
    32   f.begin_string(&mut BufWriter::new(&mut buf)).unwrap();
    33   assert_eq!("\"", String::from_utf8(buf.clone()).unwrap());
    34   buf.clear();
    35   f.end_string(&mut BufWriter::new(&mut buf)).unwrap();
    36   assert_eq!("\"", String::from_utf8(buf.clone()).unwrap());
    37   buf.clear();
    38 }