rhai/tests/native.rs
2021-03-02 15:02:28 +08:00

32 lines
909 B
Rust

use rhai::{Dynamic, Engine, EvalAltResult, NativeCallContext, RhaiResult, INT};
use std::any::TypeId;
#[test]
fn test_native_context() -> Result<(), Box<EvalAltResult>> {
fn add_double(context: NativeCallContext, args: &mut [&mut Dynamic]) -> RhaiResult {
let x = args[0].as_int().unwrap();
let y = args[1].as_int().unwrap();
Ok(format!("{}_{}", context.fn_name(), x + 2 * y).into())
}
let mut engine = Engine::new();
engine
.register_raw_fn(
"add_double",
&[TypeId::of::<INT>(), TypeId::of::<INT>()],
add_double,
)
.register_raw_fn(
"adbl",
&[TypeId::of::<INT>(), TypeId::of::<INT>()],
add_double,
);
assert_eq!(engine.eval::<String>("add_double(40, 1)")?, "add_double_42");
assert_eq!(engine.eval::<String>("adbl(40, 1)")?, "adbl_42");
Ok(())
}