katex-parser 0.1.0

// Ported from moonbit inspect/unicode_symbol_test.mbt
#![allow(unused_imports)]
use crate::parse;
use crate::settings::{Macros, Settings};
use crate::unicode::render;
use crate::unicode::{LineStyle, RenderConfig};
use std::collections::HashMap;

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn t0() {
        assert_eq!(render(&parse("\\alpha_2^n + \\beta", &mut Settings::new()).unwrap(), RenderConfig::new()), "α₂ⁿ + β");
    }

    #[test]
    fn t1() {
        assert_eq!(render(&parse("\\chi(X, E) = \\int_X \\operatorname{ch}(E) \\cdot \\operatorname{td}(T_X)", &mut Settings::new()).unwrap(), RenderConfig::new()), "χ(X, E) = ∫_X ch(E) ⋅ td(T_X)");
    }

    #[test]
    fn t2() {
        assert_eq!(render(&parse("\\frac{a}{b}+\\sqrt[3]{x}+\\overline y", &mut Settings::new()).unwrap(), RenderConfig::new()), "a∕b + ³√x + overline(y)");
    }

    #[test]
    fn t3() {
        assert_eq!(render(&parse("\\not=", &mut Settings::new()).unwrap(), RenderConfig::new()), "≠");
        assert_eq!(render(&parse("\\not<", &mut Settings::new()).unwrap(), RenderConfig::new()), "≮");
        assert_eq!(render(&parse("\\not\\in", &mut Settings::new()).unwrap(), RenderConfig::new()), "∉");
        assert_eq!(render(&parse("\\not x", &mut Settings::new()).unwrap(), RenderConfig::new()), "x̸");
        assert_eq!(render(&parse("a\\not=b", &mut Settings::new()).unwrap(), RenderConfig::new()), "a ≠ b");
        assert_eq!(render(&parse("\\neq", &mut Settings::new()).unwrap(), RenderConfig::new()), "≠");
        assert_eq!(render(&parse("\\notin", &mut Settings::new()).unwrap(), RenderConfig::new()), "∉");
    }

    #[test]
    fn t4() {
        assert_eq!(render(&parse("x^{q}", &mut Settings::new()).unwrap(), RenderConfig::new()), "x^q");
    }

    #[test]
    fn t5() {
        assert_eq!(render(&parse("\\sqrt[q]{x}", &mut Settings::new()).unwrap(), RenderConfig::new()), "root(q,x)");
    }

    #[test]
    fn t6() {
        assert_eq!(render(&parse("\\sqrt{x}", &mut Settings::new()).unwrap(), RenderConfig::new()), "√x");
        assert_eq!(render(&parse("\\sqrt{x+y}", &mut Settings::new()).unwrap(), RenderConfig::new()), "√(x + y)");
    }

    #[test]
    fn t7() {
        assert_eq!(render(&parse("\\sqrt{\\frac{a}{b}}", &mut Settings::new()).unwrap(), RenderConfig::new()), "√(a∕b)");
        assert_eq!(render(&parse("\\sqrt[3]{\\frac{a}{b}}", &mut Settings::new()).unwrap(), RenderConfig::new()), "³√(a∕b)");
        assert_eq!(render(&parse("\\sqrt{\\frac{\\frac{a}{b}}{c}}", &mut Settings::new()).unwrap(), RenderConfig::new()), "√((a∕b)∕c)");
    }

    #[test]
    fn t8() {
        let mut settings = Settings { display_mode: true, ..Settings::new() };
        assert_eq!(render(&parse("\\sqrt{\\frac{\\pi e}{2}}", &mut settings).unwrap(), RenderConfig::new()), "   πe  \n√(────)\n   2   ");
        assert_eq!(render(&parse("x + \\sqrt{\\frac{a}{b}}", &mut settings).unwrap(), RenderConfig::new()), "       a  \nx + √(───)\n       b  ");
    }

}