rhai/tests/mismatched_op.rs
2020-03-14 23:40:30 +08:00

45 lines
1.1 KiB
Rust

use rhai::{Engine, EvalAltResult, RegisterFn, INT};
#[test]
#[cfg(not(feature = "no_stdlib"))]
fn test_mismatched_op() {
let mut engine = Engine::new();
assert!(
matches!(engine.eval::<INT>(r#"60 + "hello""#).expect_err("expects error"),
EvalAltResult::ErrorMismatchOutputType(err, _) if err == "string")
);
}
#[test]
fn test_mismatched_op_custom_type() {
#[derive(Clone)]
struct TestStruct {
x: INT,
}
impl TestStruct {
fn new() -> TestStruct {
TestStruct { x: 1 }
}
}
let mut engine = Engine::new();
engine.register_type_with_name::<TestStruct>("TestStruct");
engine.register_fn("new_ts", TestStruct::new);
let r = engine
.eval::<INT>("60 + new_ts()")
.expect_err("expects error");
match r {
#[cfg(feature = "only_i32")]
EvalAltResult::ErrorFunctionNotFound(err, _) if err == "+ (i32, TestStruct)" => (),
#[cfg(not(feature = "only_i32"))]
EvalAltResult::ErrorFunctionNotFound(err, _) if err == "+ (i64, TestStruct)" => (),
_ => panic!(),
}
}