rhai/tests/functions.rs
2020-06-16 22:14:46 +08:00

48 lines
1.1 KiB
Rust

#![cfg(not(feature = "no_function"))]
use rhai::{Engine, EvalAltResult, INT};
#[test]
fn test_functions() -> Result<(), Box<EvalAltResult>> {
let engine = Engine::new();
assert_eq!(engine.eval::<INT>("fn add(x, n) { x + n } add(40, 2)")?, 42);
assert_eq!(
engine.eval::<INT>("fn add(x, n,) { x + n } add(40, 2,)")?,
42
);
assert_eq!(
engine.eval::<INT>("fn add(x, n) { x + n } let a = 40; add(a, 2); a")?,
40
);
#[cfg(not(feature = "no_object"))]
assert_eq!(
engine.eval::<INT>("fn add(x, n) { x + n } let x = 40; x.add(2)")?,
42
);
#[cfg(not(feature = "no_object"))]
assert_eq!(
engine.eval::<INT>("fn add(x, n) { x += n; } let x = 40; x.add(2); x")?,
40
);
assert_eq!(engine.eval::<INT>("fn mul2(x) { x * 2 } mul2(21)")?, 42);
#[cfg(not(feature = "no_object"))]
assert_eq!(
engine.eval::<INT>("fn mul2(x) { x * 2 } let x = 21; x.mul2()")?,
42
);
#[cfg(not(feature = "no_object"))]
assert_eq!(
engine.eval::<INT>("fn mul2(x) { x *= 2; } let x = 21; x.mul2(); x")?,
21
);
Ok(())
}