rhai/tests/method_call.rs
2020-10-19 14:26:15 +08:00

50 lines
1.0 KiB
Rust

#![cfg(not(feature = "no_object"))]
use rhai::{Engine, EvalAltResult, RegisterFn, INT};
#[test]
fn test_method_call() -> Result<(), Box<EvalAltResult>> {
#[derive(Debug, Clone, Eq, PartialEq)]
struct TestStruct {
x: INT,
}
impl TestStruct {
fn update(&mut self, n: INT) {
self.x += n;
}
fn new() -> Self {
Self { x: 1 }
}
}
let mut engine = Engine::new();
engine
.register_type::<TestStruct>()
.register_fn("update", TestStruct::update)
.register_fn("new_ts", TestStruct::new);
assert_eq!(
engine.eval::<TestStruct>("let x = new_ts(); x.update(1000); x")?,
TestStruct { x: 1001 }
);
assert_eq!(
engine.eval::<TestStruct>("let x = new_ts(); update(x, 1000); x")?,
TestStruct { x: 1001 }
);
Ok(())
}
#[test]
fn test_method_call_style() -> Result<(), Box<EvalAltResult>> {
let engine = Engine::new();
assert_eq!(engine.eval::<INT>("let x = -123; x.abs(); x")?, -123);
Ok(())
}