rhai/tests/stack.rs
2020-05-15 11:43:32 +08:00

35 lines
836 B
Rust

#![cfg(not(feature = "no_function"))]
use rhai::{Engine, EvalAltResult};
#[test]
fn test_stack_overflow() -> Result<(), Box<EvalAltResult>> {
let engine = Engine::new();
assert_eq!(
engine.eval::<i64>(
r"
fn foo(n) { if n == 0 { 0 } else { n + foo(n-1) } }
foo(25)
",
)?,
325
);
#[cfg(not(feature = "unchecked"))]
match engine.eval::<()>(
r"
fn foo(n) { if n == 0 { 0 } else { n + foo(n-1) } }
foo(1000)
",
) {
Ok(_) => panic!("should be stack overflow"),
Err(err) => match *err {
EvalAltResult::ErrorInFunctionCall(name, _, _)
if name.starts_with("foo > foo > foo") => {}
_ => panic!("should be stack overflow"),
},
}
Ok(())
}