euph 0.3.1

A functional stack-based programming language
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use ecow::eco_vec;

use super::*;
use crate::types::{
    EuSyn,
    EuType,
};

#[test]
fn empty() {
    assert_eq!(parse(""), Ok(eco_vec![]));
    assert_eq!(parse(" "), Ok(eco_vec![]));
    assert_eq!(parse("\t \n "), Ok(eco_vec![]));
}

#[test]
fn int() {
    assert_eq!(parse("1234"), Ok(eco_vec![EuType::ibig(1234).into()]));
    assert_eq!(parse("1234i64"), Ok(eco_vec![EuType::i64(1234).into()]));
}

#[test]
fn float() {
    assert_eq!(parse("1234.5"), Ok(eco_vec![EuType::f64(1234.5).into()]));
    assert_eq!(parse("0.1234"), Ok(eco_vec![EuType::f64(0.1234).into()]));
    assert_eq!(parse("1234.0"), Ok(eco_vec![EuType::f64(1234.0).into()]));
    assert_eq!(parse("123e4"), Ok(eco_vec![EuType::f64(123e4).into()]));
    assert_eq!(parse("123e-4"), Ok(eco_vec![EuType::f64(123e-4).into()]));
    assert_eq!(parse("123.0e4"), Ok(eco_vec![EuType::f64(123e4).into()]));
    assert_eq!(parse("12.34e5"), Ok(eco_vec![EuType::f64(12.34e5).into()]));
}

#[test]
fn float_invalid() {
    assert!(parse("123e4i32").is_err());
}

#[test]
fn word() {
    assert_eq!(parse("asdf"), Ok(eco_vec![EuType::word("asdf").into()]));
    assert_eq!(
        parse("asdf1234"),
        Ok(eco_vec![EuType::word("asdf1234").into()])
    );
}

#[test]
fn var() {
    assert_eq!(parse("$asdf"), Ok(eco_vec![EuSyn::Var("asdf".into())]));
    assert!(is_err("$"));
    assert!(is_err("$$"));
    assert!(is_err("$\\"));
    assert!(is_err("$1"));
}

#[test]
fn r#move() {
    assert_eq!(parse("\\asdf"), Ok(eco_vec![EuSyn::Move("asdf".into())]));
    assert!(is_err("\\"));
    assert!(is_err("\\\\"));
    assert!(is_err("\\$"));
    assert!(is_err("\\1"));
}

#[test]
fn dec() {
    assert!(is_err("1234.5.678"));
    assert!(is_err("1234..5678"));
}

#[test]
fn get() {
    assert_eq!(parse(".asdf"), Ok(eco_vec![EuSyn::Get("asdf".into())]));
}

#[test]
fn str() {
    assert_eq!(parse(r#""""#), Ok(eco_vec![EuType::str("").into()]));
    assert_eq!(
        parse(r#""testing testing 123""#),
        Ok(eco_vec![EuType::str("testing testing 123").into()])
    );
    assert_eq!(
        parse(r#""testing testing 123"#),
        Ok(eco_vec![EuType::str("testing testing 123").into()])
    );
    assert_eq!(
        parse(r#""asdf \" 123""#),
        Ok(eco_vec![EuType::str("asdf \" 123").into()])
    );
    assert_eq!(
        parse(r#""asdf 123 \""#),
        Ok(eco_vec![EuType::str("asdf 123 \"").into()])
    );
    assert_eq!(
        parse(r#""asdf 123 \\""#),
        Ok(eco_vec![EuType::str("asdf 123 \\").into()])
    );
    assert_eq!(parse(r#""\n""#), Ok(eco_vec![EuType::str("\n").into()]));
    assert_eq!(
        parse(r#""\x5a\xff""#),
        Ok(eco_vec![EuType::str("\x5a\u{ff}").into()])
    );
    assert_eq!(
        parse(r#""\u{5}\u{ff}\u{321ab}""#),
        Ok(eco_vec![EuType::str("\u{5}\u{ff}\u{321ab}").into()])
    );
    assert_eq!(
        parse(r#""\u{ff""#),
        Ok(eco_vec![EuType::str("\u{ff}").into()])
    );
}

#[test]
fn str_raw() {
    assert_eq!(parse("``"), Ok(eco_vec![EuType::str("").into()]));
    assert_eq!(
        parse("`testing testing 123`"),
        Ok(eco_vec![EuType::str("testing testing 123").into()])
    );
    assert_eq!(
        parse("`testing testing 123"),
        Ok(eco_vec![EuType::str("testing testing 123").into()])
    );
    assert_eq!(
        parse("`asdf \n 123`"),
        Ok(eco_vec![EuType::str("asdf \n 123").into()])
    );
}

#[test]
fn str_invalid() {
    assert!(is_err(r#""\"#));
    assert!(is_err(r#""\x1""#));
    assert!(is_err(r#""\x1x""#));
    assert!(is_err(r#""\ux""#));
    assert!(is_err(r#""\u{""#));
    assert!(is_err(r#""\u}""#));
    assert!(is_err(r#""\u{}""#));
    assert!(is_err(r#""\u{ffffff}""#));
    assert!(is_err(r#""\u{dddd}""#));
}

#[test]
fn char() {
    assert_eq!(parse("'a"), Ok(eco_vec![EuType::char('a').into()]));
    assert_eq!(parse("'\n"), Ok(eco_vec![EuType::char('\n').into()]));
    assert_eq!(parse("''"), Ok(eco_vec![EuType::char('\'').into()]));
}

#[test]
fn char_invalid() {
    assert!(is_err("'"));
}

#[test]
fn expr() {
    assert_eq!(parse("()"), Ok(eco_vec![EuType::expr([]).into()]));
    assert_eq!(
        parse(r#"(1 "2" 3+ asdf)"#),
        Ok(eco_vec![
            EuType::expr([
                EuType::ibig(1).into(),
                EuType::str("2").into(),
                EuType::ibig(3).into(),
                EuType::word("+").into(),
                EuType::word("asdf").into()
            ])
            .into()
        ])
    );
    assert_eq!(
        parse(r#"(1 "2" 3+ asdf"#),
        Ok(eco_vec![
            EuType::expr([
                EuType::ibig(1).into(),
                EuType::str("2").into(),
                EuType::ibig(3).into(),
                EuType::word("+").into(),
                EuType::word("asdf").into()
            ])
            .into()
        ])
    );
    assert_eq!(
        parse(r#"((1 "2") 3+ (asdf))"#),
        Ok(eco_vec![
            EuType::expr([
                EuType::expr([EuType::ibig(1).into(), EuType::str("2").into()]).into(),
                EuType::ibig(3).into(),
                EuType::word("+").into(),
                EuType::expr([EuType::word("asdf").into()]).into()
            ])
            .into()
        ])
    );
}

#[test]
fn expr_invalid() {
    assert!(is_err(")"));
    assert!(is_err("())asdf"));
}

#[test]
fn vec() {
    assert_eq!(parse("[]"), Ok(eco_vec![EuSyn::Vec(eco_vec![])]));
    assert_eq!(
        parse(r#"[1 "2" 3+ asdf]"#),
        Ok(eco_vec![EuSyn::Vec(eco_vec![
            EuType::ibig(1).into(),
            EuType::str("2").into(),
            EuType::ibig(3).into(),
            EuType::word("+").into(),
            EuType::word("asdf").into()
        ])])
    );
    assert_eq!(
        parse(r#"[1 "2" 3+ asdf"#),
        Ok(eco_vec![EuSyn::Vec(eco_vec![
            EuType::ibig(1).into(),
            EuType::str("2").into(),
            EuType::ibig(3).into(),
            EuType::word("+").into(),
            EuType::word("asdf").into()
        ])])
    );
    assert_eq!(
        parse(r#"[[1 "2"] 3+ [asdf]]"#),
        Ok(eco_vec![EuSyn::Vec(eco_vec![
            EuSyn::Vec(eco_vec![EuType::ibig(1).into(), EuType::str("2").into()]),
            EuType::ibig(3).into(),
            EuType::word("+").into(),
            EuSyn::Vec(eco_vec![EuType::word("asdf").into()])
        ])])
    );
}

#[test]
fn vec_invalid() {
    assert!(is_err("]"));
    assert!(is_err("[]]asdf"));
}

#[test]
fn all() {
    assert_eq!(
        parse(r#"1234"testing testing 123"#),
        Ok(eco_vec![
            EuType::ibig(1234).into(),
            EuType::str("testing testing 123").into()
        ])
    );
    assert_eq!(
        parse(r#"asdf"testing testing 123"#),
        Ok(eco_vec![
            EuType::word("asdf").into(),
            EuType::str("testing testing 123").into()
        ])
    );
    assert_eq!(
        parse("1234e5asdf"),
        Ok(eco_vec![
            EuType::f64(1234e5).into(),
            EuType::word("asdf").into()
        ])
    );
    assert_eq!(
        parse("1234i32test"),
        Ok(eco_vec![
            EuType::i32(1234).into(),
            EuType::word("test").into()
        ])
    );
    assert_eq!(
        parse("123ever"),
        Ok(eco_vec![
            EuType::ibig(123).into(),
            EuType::word("ever").into()
        ])
    );
    assert!(is_err("123e.4"));
    assert_eq!(
        parse("(1 2+)map"),
        Ok(eco_vec![
            EuType::expr([
                EuType::ibig(1).into(),
                EuType::ibig(2).into(),
                EuType::word("+").into()
            ])
            .into(),
            EuType::word("map").into()
        ])
    );
    assert!(is_err("12e3.4"));
}