rhai/tests/decrement.rs
2020-03-02 23:16:19 +08:00

18 lines
424 B
Rust

use rhai::{Engine, EvalAltResult};
#[test]
fn test_decrement() -> Result<(), EvalAltResult> {
let mut engine = Engine::new();
assert_eq!(engine.eval::<i64>("let x = 10; x -= 7; x")?, 3);
let r = engine.eval::<String>("let s = \"test\"; s -= \"ing\"; s");
match r {
Err(EvalAltResult::ErrorFunctionNotFound(err, _)) if err == "- (string, string)" => (),
_ => panic!(),
}
Ok(())
}