58 lines
1.7 KiB
Rust
58 lines
1.7 KiB
Rust
use rhai::{Engine, EvalAltResult, INT};
|
|
|
|
#[cfg(not(feature = "no_float"))]
|
|
use rhai::FLOAT;
|
|
|
|
#[cfg(not(feature = "no_float"))]
|
|
const EPSILON: FLOAT = 0.000_001;
|
|
|
|
#[test]
|
|
fn test_power_of() -> Result<(), Box<EvalAltResult>> {
|
|
let engine = Engine::new();
|
|
|
|
assert_eq!(engine.eval::<INT>("2 ~ 3")?, 8);
|
|
assert_eq!(engine.eval::<INT>("(-2 ~ 3)")?, -8);
|
|
|
|
#[cfg(not(feature = "no_float"))]
|
|
{
|
|
assert!(
|
|
(engine.eval::<FLOAT>("2.2 ~ 3.3")? - 13.489_468_760_533_386 as FLOAT).abs() <= EPSILON
|
|
);
|
|
assert!((engine.eval::<FLOAT>("2.0~-2.0")? - 0.25 as FLOAT).abs() < EPSILON);
|
|
assert!((engine.eval::<FLOAT>("(-2.0~-2.0)")? - 0.25 as FLOAT).abs() < EPSILON);
|
|
assert!((engine.eval::<FLOAT>("(-2.0~-2)")? - 0.25 as FLOAT).abs() < EPSILON);
|
|
assert_eq!(engine.eval::<INT>("4~3")?, 64);
|
|
}
|
|
|
|
Ok(())
|
|
}
|
|
|
|
#[test]
|
|
fn test_power_of_equals() -> Result<(), Box<EvalAltResult>> {
|
|
let engine = Engine::new();
|
|
|
|
assert_eq!(engine.eval::<INT>("let x = 2; x ~= 3; x")?, 8);
|
|
assert_eq!(engine.eval::<INT>("let x = -2; x ~= 3; x")?, -8);
|
|
|
|
#[cfg(not(feature = "no_float"))]
|
|
{
|
|
assert!(
|
|
(engine.eval::<FLOAT>("let x = 2.2; x ~= 3.3; x")? - 13.489_468_760_533_386 as FLOAT)
|
|
.abs()
|
|
<= EPSILON
|
|
);
|
|
assert!(
|
|
(engine.eval::<FLOAT>("let x = 2.0; x ~= -2.0; x")? - 0.25 as FLOAT).abs() < EPSILON
|
|
);
|
|
assert!(
|
|
(engine.eval::<FLOAT>("let x = -2.0; x ~= -2.0; x")? - 0.25 as FLOAT).abs() < EPSILON
|
|
);
|
|
assert!(
|
|
(engine.eval::<FLOAT>("let x = -2.0; x ~= -2; x")? - 0.25 as FLOAT).abs() < EPSILON
|
|
);
|
|
assert_eq!(engine.eval::<INT>("let x =4; x ~= 3; x")?, 64);
|
|
}
|
|
|
|
Ok(())
|
|
}
|