rhai/tests/expressions.rs
2020-03-22 21:03:58 +08:00

26 lines
798 B
Rust

use rhai::{Engine, EvalAltResult, Scope, INT};
#[test]
fn test_expressions() -> Result<(), EvalAltResult> {
let mut engine = Engine::new();
let mut scope = Scope::new();
scope.push("x", 10 as INT);
assert_eq!(engine.eval_expression::<INT>("2 + (10 + 10) * 2")?, 42);
assert_eq!(
engine.eval_expression_with_scope::<INT>(&mut scope, "2 + (x + 10) * 2")?,
42
);
assert!(engine.eval_expression::<()>("40 + 2;").is_err());
assert!(engine.eval_expression::<()>("40 + { 2 }").is_err());
assert!(engine.eval_expression::<()>("x = 42").is_err());
assert!(engine.compile_expression("let x = 42").is_err());
assert!(engine
.eval_expression_with_scope::<INT>(&mut scope, "if x > 0 { 42 } else { 123 }")
.is_err());
Ok(())
}