truecalc-core 3.3.0

Formula engine with exact Google Sheets semantics — stateless, embeddable evaluator
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21

use super::super::factdouble_fn;
use crate::types::{ErrorKind, Value};

#[test]
fn negative_returns_num_error() {
    // FACTDOUBLE(-1) = #NUM!
    assert_eq!(factdouble_fn(&[Value::Number(-1.0)]), Value::Error(ErrorKind::Num));
}

#[test]
fn wrong_arity_zero_args() {
    assert_eq!(factdouble_fn(&[]), Value::Error(ErrorKind::NA));
}

#[test]
fn wrong_arity_two_args() {
    assert_eq!(
        factdouble_fn(&[Value::Number(1.0), Value::Number(2.0)]),
        Value::Error(ErrorKind::NA)
    );
}