22 lines
748 B
Rust
22 lines
748 B
Rust
use rhai::{Engine, EvalAltResult, ParseErrorType, INT};
|
|
|
|
#[test]
|
|
fn test_constant() -> Result<(), Box<EvalAltResult>> {
|
|
let engine = Engine::new();
|
|
|
|
assert_eq!(engine.eval::<INT>("const x = 123; x")?, 123);
|
|
|
|
assert!(matches!(
|
|
*engine.eval::<INT>("const x = 123; x = 42;").expect_err("expects error"),
|
|
EvalAltResult::ErrorParsing(err) if err.error_type() == &ParseErrorType::AssignmentToConstant("x".to_string())
|
|
));
|
|
|
|
#[cfg(not(feature = "no_index"))]
|
|
assert!(matches!(
|
|
*engine.eval::<INT>("const x = [1, 2, 3, 4, 5]; x[2] = 42;").expect_err("expects error"),
|
|
EvalAltResult::ErrorParsing(err) if err.error_type() == &ParseErrorType::AssignmentToConstant("x".to_string())
|
|
));
|
|
|
|
Ok(())
|
|
}
|