rhai/tests/looping.rs
2021-04-20 12:01:35 +08:00

47 lines
791 B
Rust

use rhai::{Engine, EvalAltResult, ParseErrorType, INT};
#[test]
fn test_loop() -> Result<(), Box<EvalAltResult>> {
let engine = Engine::new();
assert_eq!(
engine.eval::<INT>(
"
let x = 0;
let i = 0;
loop {
if i < 10 {
i += 1;
if x > 20 { continue; }
x += i;
} else {
break;
}
}
return x;
"
)?,
21
);
assert_eq!(
*engine
.compile("let x = 0; break;")
.expect_err("should error")
.0,
ParseErrorType::LoopBreak
);
assert_eq!(
*engine
.compile("let x = 0; if x > 0 { continue; }")
.expect_err("should error")
.0,
ParseErrorType::LoopBreak
);
Ok(())
}