ganit-core 0.1.3

Spreadsheet formula engine — parser and evaluator for Excel-compatible formulas
Documentation 
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use super::super::*;
use crate::types::{ErrorKind, Value};

#[test]
fn no_args_returns_value_error() {
    assert_eq!(sign_fn(&[]), Value::Error(ErrorKind::Value));
}

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

#[test]
fn non_numeric_text_returns_value_error() {
    assert_eq!(
        sign_fn(&[Value::Text("xyz".to_string())]),
        Value::Error(ErrorKind::Value)
    );
}