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|
use std::cmp::Ordering;
use gentoo_utils::{
Parseable,
atom::{Cp, Cpv},
};
use mon::{Parser, ParserIter, input::InputIter, tag};
static PORTHOLE_TXT: &'static str = include_str!(concat!(
env!("CARGO_MANIFEST_DIR"),
"/testdata/porthole.txt"
));
enum Operator {
Cpv(bool),
Cp(bool),
Eq,
Ne,
Gt,
Lt,
}
fn parse_operator<'a>() -> impl Parser<&'a str, Output = Operator> {
let cpvyes = tag("cpv+").map(|_: &str| Operator::Cpv(true));
let cpvno = tag("cpv-").map(|_: &str| Operator::Cpv(false));
let cpyes = tag("cp+").map(|_| Operator::Cp(true));
let cpno = tag("cp-").map(|_: &str| Operator::Cp(false));
let eq = tag("=").map(|_| Operator::Eq);
let ne = tag("!=").map(|_: &str| Operator::Ne);
let gt = tag(">").map(|_| Operator::Gt);
let lt = tag("<").map(|_| Operator::Lt);
cpvyes
.or(cpvno)
.or(cpyes)
.or(cpno)
.or(eq)
.or(ne)
.or(gt)
.or(lt)
}
#[test]
fn test_porthole() {
for line in PORTHOLE_TXT.lines() {
if line.is_empty() || line.starts_with("*") {
continue;
}
let operator = parse_operator()
.parse_finished(InputIter::new(
line.split_ascii_whitespace().nth(0).unwrap(),
))
.unwrap();
match &operator {
Operator::Cpv(is_err) => {
let col = line.split_ascii_whitespace().nth(1).unwrap();
let cpv = Cpv::parser().parse_finished(InputIter::new(col));
match (dbg!(cpv), is_err) {
(Ok(cpv), true) => {
assert_eq!(&cpv.to_string(), col);
}
(Err(_), false) => (),
_ => {
panic!("{line}");
}
};
}
Operator::Cp(is_err) => {
let col = line.split_ascii_whitespace().nth(1).unwrap();
let cp = Cp::parser().parse_finished(InputIter::new(col));
match (cp, is_err) {
(Ok(cp), true) => {
assert_eq!(&cp.to_string(), col);
}
(Err(_), false) => (),
_ => {
panic!("{line}");
}
};
}
Operator::Eq | Operator::Ne => {
let a = Cpv::parser()
.parse_finished(InputIter::new(
line.split_ascii_whitespace().nth(1).unwrap(),
))
.unwrap();
let b = Cpv::parser()
.parse_finished(InputIter::new(
line.split_ascii_whitespace().nth(2).unwrap(),
))
.unwrap();
assert_eq!(
a.eq(&b),
match &operator {
Operator::Eq => true,
Operator::Ne => false,
_ => unreachable!(),
}
);
}
Operator::Gt | Operator::Lt => {
let a = Cpv::parser()
.parse_finished(InputIter::new(
line.split_ascii_whitespace().nth(1).unwrap(),
))
.unwrap();
let b = Cpv::parser()
.parse_finished(InputIter::new(
line.split_ascii_whitespace().nth(2).unwrap(),
))
.unwrap();
assert_eq!(
a.partial_cmp(&b).unwrap(),
match &operator {
Operator::Gt => Ordering::Greater,
Operator::Lt => Ordering::Less,
_ => unreachable!(),
}
);
}
}
}
}
|
