Croissant Runtime
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crsn/lib/spanned_sexp/src/test.rs

69 lines
2.0 KiB

use super::*;
#[test]
fn test_hello_world() {
assert_eq!(
parse("(hello -42\n\t -4.0 \"world\") ; comment").unwrap(),
list(&[atom_s("hello"), atom_i(-42), atom_f(-4.0), atom_s("world")]));
}
#[test]
fn test_escaping() {
assert_eq!(
parse("(\"\\\"\\q\" \"1234\" 1234)").unwrap(),
list(&[atom_s("\"\\q"), atom_s("1234"), atom_i(1234)]));
}
#[test]
fn test_pp() {
let s = "(hello world (what is (up) (4 6.4 you \"123\\\\ \\\"\")))";
let sexp = parse(s).unwrap();
assert_eq!(s, sexp.to_string());
assert_eq!(s, format!("{:?}", sexp));
}
#[test]
fn test_tight_parens() {
let s = "(hello(world))";
let sexp = parse(s).unwrap();
assert_eq!(sexp, Sexp::List(vec![Sexp::Atom(Atom::S("hello".into())),
Sexp::List(vec![Sexp::Atom(Atom::S("world".into()))])]));
let s = "(this (has)tight(parens))";
let s2 = "( this ( has ) tight ( parens ) )";
assert_eq!(parse(s).unwrap(), parse(s2).unwrap());
}
#[test]
fn test_space_in_atom() {
let sexp = list(&[atom_s("hello world")]);
let sexp_as_string = sexp.to_string();
assert_eq!("(\"hello world\")", sexp_as_string);
assert_eq!(sexp, parse(&sexp_as_string).unwrap());
}
#[test]
fn show_an_error() {
assert_eq!(format!("{:?}", parse("(aaaa").unwrap_err()), "1:4: unexpected eof");
}
#[test]
fn line_and_col_test() {
let s = "0123456789\n0123456789\n\n6";
assert_eq!(get_line_and_column(s, 4), (1, 4));
assert_eq!(get_line_and_column(s, 10), (2, 0));
assert_eq!(get_line_and_column(s, 11), (2, 0));
assert_eq!(get_line_and_column(s, 15), (2, 4));
assert_eq!(get_line_and_column(s, 21), (3, 0));
assert_eq!(get_line_and_column(s, 22), (4, 0));
assert_eq!(get_line_and_column(s, 23), (4, 0));
assert_eq!(get_line_and_column(s, 500), (4, 0));
}
#[test]
fn sexp_size() {
// I just want to see when this changes, in the diff.
use std::mem;
assert_eq!(mem::size_of::<Sexp>(), mem::size_of::<isize>() * 5);
}