rhai/tests/power_of.rs

use rhai::{Engine, EvalAltResult};

#[test]
fn test_power_of() -> Result<(), EvalAltResult> {
    let mut engine = Engine::new();

    assert_eq!(engine.eval::<i64>("2 ~ 3")?, 8);
    assert_eq!(engine.eval::<i64>("(-2 ~ 3)")?, -8);
    assert_eq!(engine.eval::<f64>("2.2 ~ 3.3")?, 13.489468760533386_f64);
    assert_eq!(engine.eval::<f64>("2.0~-2.0")?, 0.25_f64);
    assert_eq!(engine.eval::<f64>("(-2.0~-2.0)")?, 0.25_f64);
    assert_eq!(engine.eval::<f64>("(-2.0~-2)")?, 0.25_f64);
    assert_eq!(engine.eval::<i64>("4~3")?, 64);

    Ok(())
}

#[test]
fn test_power_of_equals() -> Result<(), EvalAltResult> {
    let mut engine = Engine::new();

    assert_eq!(engine.eval::<i64>("let x = 2; x ~= 3; x")?, 8);
    assert_eq!(engine.eval::<i64>("let x = -2; x ~= 3; x")?, -8);
    assert_eq!(
        engine.eval::<f64>("let x = 2.2; x ~= 3.3; x")?,
        13.489468760533386_f64
    );
    assert_eq!(engine.eval::<f64>("let x = 2.0; x ~= -2.0; x")?, 0.25_f64);
    assert_eq!(engine.eval::<f64>("let x = -2.0; x ~= -2.0; x")?, 0.25_f64);
    assert_eq!(engine.eval::<f64>("let x = -2.0; x ~= -2; x")?, 0.25_f64);
    assert_eq!(engine.eval::<i64>("let x =4; x ~= 3; x")?, 64);

    Ok(())
}