truecalc-core 3.2.0

Formula engine with exact Google Sheets semantics — stateless, embeddable evaluator
Documentation 
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use super::super::*;
use crate::types::Value;

#[test]
fn avedev_basic() {
    // mean=3, deviations: |1-3|=2, |2-3|=1, |3-3|=0, |4-3|=1, |5-3|=2 -> avedev=6/5=1.2
    let result = avedev_fn(&[
        Value::Number(1.0),
        Value::Number(2.0),
        Value::Number(3.0),
        Value::Number(4.0),
        Value::Number(5.0),
    ]);
    assert_eq!(result, Value::Number(1.2));
}

#[test]
fn avedev_two_values() {
    // mean=3, deviations: |1-3|=2, |5-3|=2 -> avedev=2.0
    let result = avedev_fn(&[Value::Number(1.0), Value::Number(5.0)]);
    assert_eq!(result, Value::Number(2.0));
}

#[test]
fn avedev_bool_coerces_to_number() {
    // Direct bool args coerce: TRUE->1, FALSE->0
    // values: 5.0, 1.0, 0.0 -> mean=2.0, avedev=(3+1+2)/3=2.0
    let result = avedev_fn(&[
        Value::Number(5.0),
        Value::Bool(true),
        Value::Bool(false),
    ]);
    assert_eq!(result, Value::Number(2.0));
}

#[test]
fn avedev_numeric_text_coerces() {
    // Direct text "3" coerces to 3.0
    // values: 1.0, 3.0 -> mean=2.0, avedev=1.0
    let result = avedev_fn(&[
        Value::Number(1.0),
        Value::Text("3".to_string()),
    ]);
    assert_eq!(result, Value::Number(1.0));
}